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href="#Compatibility"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Compatibility</span> </div> </a> <ul id="toc-Compatibility-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Example_of_WebVTT_format" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Example_of_WebVTT_format"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Example of WebVTT format</span> </div> </a> <ul id="toc-Example_of_WebVTT_format-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_features" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Other_features"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Other features</span> </div> </a> <ul id="toc-Other_features-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" 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</div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">File format</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title" style="padding-bottom: 0.15em;">WebVTT</caption><tbody><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;"><a href="/wiki/Filename_extension" title="Filename extension">Filename extension</a></th><td class="infobox-data" style="line-height: 1.35;"><style data-mw-deduplicate="TemplateStyles:r886049734">.mw-parser-output .monospaced{font-family:monospace,monospace}</style><div class="monospaced"> .vtt</div></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;"><a href="/wiki/Media_type" title="Media type">Internet media type</a></th><td class="infobox-data" style="line-height: 1.35;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><div class="monospaced"> text/vtt</div></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;">Developed by</th><td class="infobox-data" style="line-height: 1.35;"><a href="/wiki/World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a> (W3C)</td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;">Initial release</th><td class="infobox-data" style="line-height: 1.35;">10 August 2010<span class="noprint">; 14 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2010-08-10</span>)</span><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Latest release</a></th><td class="infobox-data" style="line-height: 1.35;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">4 April 2019<span class="noprint">; 5 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2019-04-04</span>)</span> </div></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;">Type of format</th><td class="infobox-data" style="line-height: 1.35;"><a href="/wiki/Timed_text" title="Timed text">Timed text</a></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;">Extended from</th><td class="infobox-data" style="line-height: 1.35;"><a href="/wiki/SubRip" title="SubRip">SRT</a></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;"><a href="/wiki/International_standard" title="International standard">Standard</a></th><td class="infobox-data" style="line-height: 1.35;"><a rel="nofollow" class="external text" href="https://www.w3.org/TR/webvtt1/">W3C WebVTT</a></td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;"><span class="nowrap"><a href="/wiki/Open_file_format" title="Open file format">Open format</a>?</span></th><td class="infobox-data" style="line-height: 1.35;">Yes</td></tr><tr><th scope="row" class="infobox-label" style="line-height: 1.2; padding-right: 0.65em;"><span class="nowrap"><a href="/wiki/Open_standard#Comparison_of_definitions" title="Open standard">Free format</a>?</span></th><td class="infobox-data" style="line-height: 1.35;">Yes</td></tr></tbody></table> <p><b>WebVTT</b> (Web Video Text Tracks) is a <a href="/wiki/World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a> (W3C) standard for displaying <a href="/wiki/Timed_text" title="Timed text">timed text</a> in connection with the <a href="/wiki/HTML5" title="HTML5">HTML5</a> <code><track></code> element. </p><p>The early drafts of its specification were written by the <a href="/wiki/WHATWG" title="WHATWG">WHATWG</a> in 2010 after discussions about what caption format should be supported by HTML5—the main options being the relatively mature, <a href="/wiki/XML" title="XML">XML</a>-based <a href="/wiki/Timed_Text_Markup_Language" title="Timed Text Markup Language">Timed Text Markup Language</a> (TTML) or an entirely new but more lightweight standard based on the widely used <a href="/wiki/SubRip" title="SubRip">SubRip</a> format. The final decision was for the new standard, initially called WebSRT (Web Subtitle Resource Tracks).<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> It shared the <code>.srt</code> file extension and was broadly based on the SubRip format, though not fully compatible with it.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The prospective format was later renamed WebVTT.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> In the January 13, 2011, version of the HTML5 Draft Report, the <code><track></code> element was introduced and the specification was updated to document WebVTT cue text rendering rules.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The WebVTT specification is a W3C Candidate Recommendation, and the basic features are supported by all major browsers. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Main_differences_from_SubRip">Main differences from SubRip</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebVTT&action=edit&section=1" title="Edit section: Main differences from SubRip"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>WebVTT's first line starts with <i>WEBVTT</i> after the optional <a href="/wiki/UTF-8" title="UTF-8">UTF-8</a> <a href="/wiki/Byte_order_mark" title="Byte order mark">byte order mark</a></li> <li>There is space for optional header data between the first line and the first cue</li> <li><a href="/wiki/Timecode" title="Timecode">Timecode</a> fractional values are separated by a <a href="/wiki/Full_stop" title="Full stop">full stop</a> instead of a <a href="/wiki/Comma" title="Comma">comma</a></li> <li>Timecode hours are optional</li> <li>The frame numbering/identification preceding the timecode is optional</li> <li><a href="/wiki/Comment_(computer_programming)" title="Comment (computer programming)">Comments</a> identified by the word <i>NOTE</i> can be added</li> <li><a href="/wiki/Metadata" title="Metadata">Metadata</a> information can be added in a <a href="/wiki/JSON" title="JSON">JSON</a>-style format</li> <li>Chapter information can be optionally specified</li> <li>Only supports extended characters as UTF-8</li> <li><a href="/wiki/CSS" title="CSS">CSS</a> in a separate file defined in the companion HTML document for C tags is used instead of the FONT element</li> <li>Cue settings allow the customization of cue positioning on the video<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Compatibility">Compatibility</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebVTT&action=edit&section=2" title="Edit section: Compatibility"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <caption>Browser Support<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th>Browser </th> <th>Cue Text Tags</th> <th>Cue Positioning</th> <th>CSS Styling </th></tr> <tr> <th>Chrome </th> <td colspan="3" style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">35+ </td></tr> <tr> <th>Android stock browser </th> <td colspan="3" style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">5.0+ </td></tr> <tr> <th>Opera </th> <td colspan="3" style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">22+ </td></tr> <tr> <th>Safari </th> <td colspan="3" style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">7+ (iOS: 8+) </td></tr> <tr> <th>Firefox </th> <td colspan="2" style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">31+ (Android: 32+)</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <th>Microsoft Edge </th> <td style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">12+</td> <td colspan="2" data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <th title="on Windows and Windows Phone">Internet Explorer </th> <td style="background:#9EFF9E;color:black;vertical-align:middle;text-align:center;" class="table-yes">10+</td> <td colspan="2" data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr></tbody></table> <p>Firefox implemented WebVTT in its nightly builds (Firefox 24), but initially it was not enabled by default. The feature had to be enabled in Firefox by going to the "about:config" page and setting the value of "media.webvtt.enabled" to true.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> YouTube began supporting WebVTT in April, 2013.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> As of July 24, 2014, Mozilla has enabled WebVTT on Firefox by default.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>Subtitles in a .vtt file show online, but not when stored on a local drive. </p> <div class="mw-heading mw-heading2"><h2 id="Example_of_WebVTT_format">Example of WebVTT format</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebVTT&action=edit&section=3" title="Edit section: Example of WebVTT format"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A sample file from the W3C captioning <a href="/wiki/Roger_Bingham" title="Roger Bingham">Roger Bingham</a> interviewing <a href="/wiki/Neil_deGrasse_Tyson" title="Neil deGrasse Tyson">Neil deGrasse Tyson</a> (<a rel="nofollow" class="external autonumber" href="https://www.youtube.com/watch?v=P_Um2VdIKmA">[1]</a>):<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <pre>WEBVTT 00:11.000 --> 00:13.000 <v Roger Bingham>We are in New York City 00:13.000 --> 00:16.000 <v Roger Bingham>We're actually at the Lucern Hotel, just down the street 00:16.000 --> 00:18.000 <v Roger Bingham>from the American Museum of Natural History 00:18.000 --> 00:20.000 <v Roger Bingham>And with me is Neil deGrasse Tyson 00:20.000 --> 00:22.000 <v Roger Bingham>Astrophysicist, Director of the Hayden Planetarium 00:22.000 --> 00:24.000 <v Roger Bingham>at the AMNH. 00:24.000 --> 00:26.000 <v Roger Bingham>Thank you for walking down here. 00:27.000 --> 00:30.000 <v Roger Bingham>And I want to do a follow-up on the last conversation we did. 00:30.000 --> 00:31.500 align:right size:50% <v Roger Bingham>When we e-mailed— 00:30.500 --> 00:32.500 align:left size:50% <v Neil deGrasse Tyson>Didn't we talk about enough in that conversation? 00:32.000 --> 00:35.500 align:right size:50% <v Roger Bingham>No! No no no no; 'cos 'cos obviously 'cos 00:32.500 --> 00:33.500 align:left size:50% <v Neil deGrasse Tyson><i>Laughs</i> 00:35.500 --> 00:38.000 <v Roger Bingham>You know I'm so excited my glasses are falling off here. </pre> <div class="mw-heading mw-heading2"><h2 id="Other_features">Other features</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebVTT&action=edit&section=4" title="Edit section: Other features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In June 2013, an example was added to the specification that included a new "region" setting.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> This feature is supported since Firefox 59 and Safari 14.1 (14.5 on iOS) but not in any other browser.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebVTT&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100816054522/http://www.whatwg.org/specs/web-apps/current-work/websrt.html">"WebSRT"</a>. 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Retrieved <span class="nowrap">6 February</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=WebVTT+Styling&rft.pub=JWPlayer&rft_id=http%3A%2F%2Fwww.jwplayer.com%2Fhtml5%2Fwebvtt%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://bugzilla.mozilla.org/show_bug.cgi?id=629350">"Implement the track element"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Implement+the+track+element&rft_id=https%3A%2F%2Fbugzilla.mozilla.org%2Fshow_bug.cgi%3Fid%3D629350&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://support.google.com/youtube/bin/answer.py?answer=2734698&topic=3014331&ctx=topic">"Caption File - YouTube Help"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Caption+File+-+YouTube+Help&rft_id=https%3A%2F%2Fsupport.google.com%2Fyoutube%2Fbin%2Fanswer.py%3Fanswer%3D2734698%26topic%3D3014331%26ctx%3Dtopic&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.mozilla.org/en-US/mobile/31.0/releasenotes/">"Firefox 31 Release Notes"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Firefox+31+Release+Notes&rft_id=https%3A%2F%2Fwww.mozilla.org%2Fen-US%2Fmobile%2F31.0%2Freleasenotes%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.w3.org/TR/2019/CR-webvtt1-20190404/#introduction-caption">"WebVtt: The Web Video Text Tracks Format"</a>. <i>w3.org</i>. The World Wide Web Consortium. 4 April 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">23 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=w3.org&rft.atitle=WebVtt%3A+The+Web+Video+Text+Tracks+Format&rft.date=2019-04-04&rft_id=https%3A%2F%2Fwww.w3.org%2FTR%2F2019%2FCR-webvtt1-20190404%2F%23introduction-caption&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/w3c/webvtt/commit/4255ed479aab5651654e323fd6e52915f951663c">"Added region example to Introduction section under "Other features" – GitHub commit details"</a>. <i><a href="/wiki/GitHub" title="GitHub">GitHub</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GitHub&rft.atitle=Added+region+example+to+Introduction+section+under+%22Other+features%22+%E2%80%93+GitHub+commit+details&rft_id=https%3A%2F%2Fgithub.com%2Fw3c%2Fwebvtt%2Fcommit%2F4255ed479aab5651654e323fd6e52915f951663c&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://developer.mozilla.org/en-US/docs/Web/API/VTTCue/region#browser_compatibility">"VTTCue.region - Web APIs | MDN"</a>. <i><a href="/wiki/MDN_Web_Docs" title="MDN Web Docs">MDN Web Docs</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=MDN+Web+Docs&rft.atitle=VTTCue.region+-+Web+APIs+%26%23124%3B+MDN&rft_id=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FAPI%2FVTTCue%2Fregion%23browser_compatibility&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWebVTT" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=WebVTT&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://www.w3.org/TR/webvtt1/">WebVTT Standard</a></li> <li><a rel="nofollow" class="external text" href="https://developer.mozilla.org/en-US/docs/Web/API/WebVTT_API">Mozilla's developer page concerning WebVTT implementation</a></li> <li><a rel="nofollow" class="external text" href="http://www.whiterocksoftware.com/2022/11/7-ways-to-convert-vtt-file.html?q=vtt#VttViewer">WebVTT Viewer</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist 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<li><a href="/wiki/Canonical_XML" title="Canonical XML">Canonical XML</a></li> <li><a href="/wiki/Compound_Document_Format" title="Compound Document Format">CDF</a></li> <li><a href="/wiki/CSS" title="CSS">CSS</a> <ul><li><a href="/wiki/CSS_animations" title="CSS animations">Animations</a></li> <li><a href="/wiki/CSS_Flexible_Box_Layout" title="CSS Flexible Box Layout">Flexbox</a></li> <li><a href="/wiki/CSS_grid_layout" title="CSS grid layout">Grid</a></li></ul></li> <li><a href="/wiki/Document_Object_Model" title="Document Object Model">DOM</a></li> <li><a href="/wiki/Efficient_XML_Interchange" title="Efficient XML Interchange">EXI</a></li> <li><a href="/wiki/Emotion_Markup_Language" title="Emotion Markup Language">EmotionML</a></li> <li><a href="/wiki/W3C_Geolocation_API" title="W3C Geolocation API">Geolocation API</a></li> <li><a href="/wiki/HTML" title="HTML">HTML</a> <ul><li><a href="/wiki/HTML5" title="HTML5">HTML5</a></li></ul></li> <li><a href="/wiki/Indexed_Database_API" 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Speech Recognition">SISR</a></li> <li><a href="/wiki/Simple_Knowledge_Organization_System" title="Simple Knowledge Organization System">SKOS</a></li> <li><a href="/wiki/Synchronized_Multimedia_Integration_Language" title="Synchronized Multimedia Integration Language">SMIL</a></li> <li><a href="/wiki/SOAP" title="SOAP">SOAP</a></li> <li><a href="/wiki/Speech_Recognition_Grammar_Specification" title="Speech Recognition Grammar Specification">SRGS</a></li> <li><a href="/wiki/Subresource_Integrity" title="Subresource Integrity">SRI</a></li> <li><a href="/wiki/Speech_Synthesis_Markup_Language" title="Speech Synthesis Markup Language">SSML</a></li> <li><a href="/wiki/Scalable_Vector_Graphics" class="mw-redirect" title="Scalable Vector Graphics">SVG</a> <ul><li><a href="/wiki/SVG_filter_effects" title="SVG filter effects">Filter Effects</a></li></ul></li> <li><a href="/wiki/SCXML" title="SCXML">SCXML</a></li> <li><a href="/wiki/SHACL" title="SHACL">SHACL</a></li> <li><a href="/wiki/SPARQL" title="SPARQL">SPARQL</a></li> <li><a href="/wiki/Timed_text" title="Timed text">Timed text</a></li> <li><a href="/wiki/VoiceXML" title="VoiceXML">VoiceXML</a></li> <li><a href="/wiki/WebAssembly" title="WebAssembly">WebAssembly</a></li> <li><a href="/wiki/Web_of_Things" title="Web of Things">WoT</a> <ul><li><a href="/wiki/Thing_Description" title="Thing Description">TD</a></li></ul></li> <li><a href="/wiki/Web_storage" title="Web storage">Web storage</a></li> <li><a href="/wiki/Web_Services_Description_Language" title="Web Services Description Language">WSDL</a></li> <li><a href="/wiki/Webmention" title="Webmention">Webmention</a></li> <li><a href="/wiki/WebSub" title="WebSub">WebSub</a></li> <li><a class="mw-selflink selflink">WebVTT</a></li> <li><a href="/wiki/Web_Open_Font_Format" title="Web Open Font Format">WOFF</a></li> <li><a href="/wiki/XHTML" title="XHTML">XHTML</a> <ul><li><a href="/wiki/XHTML%2BRDFa" title="XHTML+RDFa">+RDFa</a></li></ul></li> <li><a href="/wiki/XML" title="XML">XML</a> <ul><li><a href="/wiki/XML_Base" title="XML Base">Base</a></li> <li><a href="/wiki/XML_Encryption" title="XML Encryption">Encryption</a></li> <li><a href="/wiki/XML_Events" title="XML Events">Events</a></li> <li><a href="/wiki/XML_Information_Set" title="XML Information Set">Information Set</a></li> <li><a href="/wiki/XML_namespace" title="XML namespace">Namespace</a></li> <li><a href="/wiki/XML_Schema_(W3C)" title="XML Schema (W3C)">Schema</a></li> <li><a href="/wiki/XML_Signature" title="XML Signature">Signature</a></li> <li><a href="/wiki/XForms" title="XForms">XForms</a></li> <li><a href="/wiki/XInclude" title="XInclude">XInclude</a></li> <li><a href="/wiki/XLink" title="XLink">XLink</a></li> <li><a href="/wiki/XML-binary_Optimized_Packaging" title="XML-binary Optimized Packaging">XOP</a></li> <li><a href="/wiki/XPath" title="XPath">XPath</a> <ul><li><a href="/wiki/XPath_2.0" title="XPath 2.0">2.0</a></li> <li><a href="/wiki/XPath_3" title="XPath 3">3.x</a></li></ul></li> <li><a href="/wiki/XPointer" title="XPointer">XPointer</a></li> <li><a href="/wiki/XProc" title="XProc">XProc</a></li> <li><a href="/wiki/XQuery" title="XQuery">XQuery</a></li> <li><a href="/wiki/XSL" title="XSL">XSL</a></li> <li><a href="/wiki/XSL_Formatting_Objects" title="XSL Formatting Objects">XSL-FO</a></li> <li><a href="/wiki/XSLT" title="XSLT">XSLT</a> <ul><li><a href="/wiki/XSLT_elements" title="XSLT elements">elements</a></li></ul></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Notes</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IndieAuth" title="IndieAuth">IndieAuth</a></li> <li><a href="/wiki/XAdES" title="XAdES">XAdES</a></li> <li><a href="/wiki/XBL" title="XBL">XBL</a></li> <li><a href="/wiki/XHTML%2BSMIL" title="XHTML+SMIL">XHTML+SMIL</a></li> <li><a href="/wiki/Extensible_User_Interface_Protocol" title="Extensible User Interface Protocol">XUP</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/World_Wide_Web_Consortium#Working_draft_(WD)" title="World Wide Web Consortium">Working drafts</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Call_Control_eXtensible_Markup_Language" title="Call Control eXtensible Markup Language">CCXML</a></li> <li><a href="/wiki/CURIE" title="CURIE">CURIE</a></li> <li><a href="/wiki/Encrypted_Media_Extensions" title="Encrypted Media Extensions">EME</a></li> <li><a href="/wiki/InkML" title="InkML">InkML</a></li> <li><a href="/wiki/Media_Source_Extensions" title="Media Source Extensions">MSE</a></li> <li><a href="/wiki/Rule_Interchange_Format" title="Rule Interchange Format">RIF</a></li> <li><a href="/wiki/SMIL_Timesheets" title="SMIL Timesheets">SMIL Timesheets</a></li> <li><a href="/wiki/SXBL" title="SXBL">sXBL</a></li> <li><a href="/wiki/WebGPU" title="WebGPU">WebGPU</a></li> <li><a href="/wiki/WebXR" title="WebXR">WebXR</a></li> <li><a href="/wiki/Extensible_Forms_Description_Language" title="Extensible Forms Description Language">XFDL</a></li> <li><a href="/wiki/XFrames" title="XFrames">XFrames</a></li> <li><a href="/wiki/XMLHttpRequest" title="XMLHttpRequest">XMLHttpRequest</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Guidelines</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Web_Content_Accessibility_Guidelines" title="Web Content Accessibility Guidelines">Web Content Accessibility Guidelines</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Initiative</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/W3C_Markup_Validation_Service" title="W3C Markup Validation Service">Markup Validation Service</a></li> <li><a href="/wiki/Web_Accessibility_Initiative" title="Web Accessibility Initiative">Web Accessibility Initiative</a></li> <li><a href="/wiki/Web_Components" title="Web Components">Web Components</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Deprecated</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C-HTML" class="mw-redirect" title="C-HTML">C-HTML</a></li> <li><a href="/wiki/Handheld_Device_Markup_Language" title="Handheld Device Markup Language">HDML</a></li> <li><a href="/wiki/JavaScript_Style_Sheets" title="JavaScript Style Sheets">JSSS</a></li> <li><a href="/wiki/Precision_Graphics_Markup_Language" title="Precision Graphics Markup Language">PGML</a></li> <li><a href="/wiki/Vector_Markup_Language" title="Vector Markup Language">VML</a></li> <li><a href="/wiki/WebPlatform.org" title="WebPlatform.org">WebPlatform</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Obsoleted</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/P3P" title="P3P">P3P</a></li> <li><a href="/wiki/XHTML%2BMathML%2BSVG" title="XHTML+MathML+SVG">XHTML+MathML+SVG</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Organizations</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/WHATWG" title="WHATWG">WHATWG</a></li> <li>Defunct: <a href="/wiki/World_Wide_Web_Foundation" title="World Wide Web Foundation">World Wide Web Foundation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Elected groups</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=W3C_Advisory_Board&action=edit&redlink=1" class="new" title="W3C Advisory Board (page does not exist)">AB</a></li> <li><a href="/w/index.php?title=W3C_Board&action=edit&redlink=1" class="new" title="W3C Board (page does not exist)">Board</a></li> <li><a href="/wiki/Technical_Architecture_Group" title="Technical Architecture Group">TAG</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Working groups</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CSS_Working_Group" title="CSS Working Group">CSS</a></li> <li><a href="/wiki/SVG_Working_Group" title="SVG Working Group">SVG</a></li> <li><a href="/wiki/WebAssembly" title="WebAssembly">WebAssembly</a></li> <li><a href="/wiki/Web_Authentication_Working_Group" title="Web Authentication Working Group">WebAuthn</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Community & business groups</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Improving_Web_Advertising_Business_Group" title="Improving Web Advertising Business Group">Web Advertising BG</a></li> <li><a href="/wiki/WebAssembly" title="WebAssembly">WebAssembly</a> CG</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Closed groups</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/W3C_Device_Description_Working_Group" title="W3C Device Description Working Group">Device Description</a> (DDWG)</li> <li><a href="/wiki/HTML_Working_Group" title="HTML Working Group">HTML</a></li> <li><a href="/wiki/W3C_MMI" title="W3C MMI">Multimodal Interaction Activity</a> (MMI)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Software</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CERN_httpd" title="CERN httpd">CERN httpd</a></li> <li><a href="/wiki/Libwww" title="Libwww">Libwww</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Web_browser" title="Web browser">Browsers</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Line_Mode_Browser" title="Line Mode Browser">Line Mode</a> <span style="font-size:85%;">(1990–)</span></li> <li><a href="/wiki/Arena_(web_browser)" title="Arena (web browser)">Arena</a> <span style="font-size:85%;">(1993–98)</span></li> <li><a href="/wiki/Agora_(web_browser)" title="Agora (web browser)">Agora</a> <span style="font-size:85%;">(1994–97)</span></li> <li><a href="/wiki/Argo_(web_browser)" title="Argo (web browser)">Argo</a> <span style="font-size:85%;">(1994–97)</span></li> <li><a href="/wiki/Amaya_(web_editor)" title="Amaya (web editor)">Amaya</a> <span style="font-size:85%;">(browser/editor, 1996–2012)</span></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Conferences</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/International_World_Wide_Web_Conference" class="mw-redirect" title="International World Wide Web Conference">International World Wide Web Conference</a> (IW3C) <ul><li><a href="/wiki/International_World_Wide_Web_Conferences_Steering_Committee" class="mw-redirect" title="International World Wide Web Conferences Steering Committee">Steering Committee</a> (IW3C2)</li> <li><a href="/wiki/First_International_Conference_on_the_World-Wide_Web" title="First International Conference on the World-Wide Web">First conference</a> ("WWW1", 1994)</li></ul></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" 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