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class="detail-header -is-loose"><div class="detail-container"><div class="detail-header-outer-block"><div class="detail-header-content-block"><h1 class="title pub-monochrome-icon-hoverable">http_parser 4.1.2 <span class="pkg-page-title-copy"><img class="pub-monochrome-icon pkg-page-title-copy-icon filter-invert-on-dark" src="/static/hash-j60jq2j3/img/content-copy-icon.svg" alt="copy "http_parser: ^4.1.2" to clipboard" width="18" height="18" title="Copy "http_parser: ^4.1.2" to clipboard" data-copy-content="http_parser: ^4.1.2" data-ga-click-event="copy-package-version"/><div class="pkg-page-title-copy-feedback"><span class="code">http_parser: ^4.1.2</span> copied to clipboard</div></span></h1><div class="metadata">Published <span><a class="-x-ago" href="" title="Jan 2, 2025" role="button" data-timestamp="1735843032729">3 months ago</a></span> • <a class="-pub-publisher" href="/publishers/dart.dev"><img class="-pub-publisher-shield filter-invert-on-dark" 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height="18"/></button><span class="likes-count"><span id="likes-count">246</span></span></div></div></div></div></div></div><div class="detail-container"><div class="detail-lead"><div class="detail-metadata-toggle"><div class="detail-metadata-toggle-icon">→</div><h3 class="detail-lead-title">Metadata</h3></div><p class="detail-lead-text">A platform-independent package for parsing and serializing HTTP formats.</p><p class="detail-lead-more"><a class="detail-metadata-toggle">More...</a></p></div></div><div class="detail-body"><div class="detail-tabs"><div class="detail-tabs-wide-header"><div class="detail-container"><ul class="detail-tabs-header"><li class="detail-tab tab-button detail-tab-readme-title -active">Readme</li><li class="detail-tab tab-link detail-tab-changelog-title"><a href="/packages/http_parser/changelog" role="button">Changelog</a></li><li class="detail-tab tab-link detail-tab-example-title"><a href="/packages/http_parser/example" role="button">Example</a></li><li class="detail-tab tab-link detail-tab-installing-title"><a href="/packages/http_parser/install" role="button">Installing</a></li><li class="detail-tab tab-link detail-tab-versions-title"><a href="/packages/http_parser/versions" role="button">Versions</a></li><li class="detail-tab tab-link detail-tab-analysis-title"><a href="/packages/http_parser/score" role="button">Scores</a></li></ul></div></div><div class="detail-container detail-body-main"><div class="detail-tabs-content"><section class="tab-content detail-tab-readme-content -active markdown-body"><p><a href="https://pub.dartlang.org/packages/http_parser" rel="ugc"><img src="https://img.shields.io/pub/v/http_parser.svg" alt="Pub Package"></a> <a href="https://pub.dev/packages/http_parser/publisher"><img src="https://img.shields.io/pub/publisher/http_parser.svg" alt="package publisher"></a></p> <p><code>http_parser</code> is a platform-independent package for parsing and serializing various HTTP-related formats. It's designed to be usable on both the browser and the server, and thus avoids referencing any types from <code>dart:io</code> or <code>dart:html</code>.</p> <h2 id="features" class="hash-header">Features <a href="#features" class="hash-link">#</a></h2> <ul> <li> <p>Support for parsing and formatting dates according to <a href="https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html" rel="ugc">HTTP/1.1</a>, the HTTP/1.1 standard.</p> </li> <li> <p>A <code>MediaType</code> class that represents an HTTP media type, as used in <code>Accept</code> and <code>Content-Type</code> headers. This class supports both parsing and formatting media types according to <a href="https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html" rel="ugc">HTTP/1.1</a>.</p> </li> <li> <p>A <code>WebSocketChannel</code> class that provides a <code>StreamChannel</code> interface for both the client and server sides of the <a href="https://tools.ietf.org/html/rfc6455" rel="ugc">WebSocket protocol</a> independently of any specific server implementation.</p> </li> </ul> </section></div></div></div><aside class="detail-info-box"><a class="packages-scores" href="/packages/http_parser/score"><div class="packages-score packages-score-like"><div class="packages-score-value -has-value"><span class="packages-score-value-number">246</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">likes</div></div><div class="packages-score packages-score-health"><div class="packages-score-value -has-value"><span class="packages-score-value-number">160</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">points</div></div><div class="packages-score packages-score-downloads" title="Number of downloads of this package during the past 30 days"><div class="packages-score-value -has-value"><span class="packages-score-value-number">6.34M</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">downloads</div></div></a><h3 class="title">Publisher</h3><p><a href="/publishers/dart.dev"><img class="-pub-publisher-shield filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-verified.svg" alt="verified publisher" width="14" height="14" title="Published by a pub.dev verified publisher"/>dart.dev</a></p><h3 class="title">Weekly Downloads</h3><div id="-weekly-downloads-sparkline" class="weekly-downloads-sparkline" data-widget="weekly-sparkline" data-weekly-sparkline-points="gLj1Z2fFFQA9IxYAoC8WABTIFQAcuRYAKJkVALRdFwBtihcAazsYANgPFgBlqhUAYDQVAO/cFABJcBIAClwJAPF7DQA88hQAxKEQAGD3DgB+KxAAKkwPAEGbDwACmw4A4XIPADjAEQDXkw0AUeQNAM81DwCu6Q0A3XMMAO7mDQDmWA0AG8ENANVNDgBjDw8AeB4OAKteDgBJmA0APAAOAImfCwCGzAwAmSYNAH+ZDABIdwsAbCQLAFK4CgBgEwsAEsUKAGRECwDgUgoAMigMADwwCwA="></div><h3 class="title pkg-infobox-metadata">Metadata</h3><p>A platform-independent package for parsing and serializing HTTP formats.</p><p><a class="link" href="https://github.com/dart-lang/http/tree/master/pkgs/http_parser" rel="ugc">Repository (GitHub)</a><br/><a class="link" href="https://github.com/dart-lang/http/blob/master/CONTRIBUTING.md" rel="ugc">Contributing</a><br/></p><h3 class="title">Documentation</h3><p><a class="link" href="/documentation/http_parser/latest/">API reference</a><br/></p><h3 class="title">License</h3><p><img class="inline-icon-img filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-balance.svg" alt="" width="14" height="14" role="presentation"/>BSD-3-Clause (<a href="/packages/http_parser/license">license</a>)</p><h3 class="title">Dependencies</h3><p><a href="/packages/collection" title="^1.19.0">collection</a>, <a href="/packages/source_span" title="^1.8.0">source_span</a>, <a href="/packages/string_scanner" title="^1.1.0">string_scanner</a>, <a href="/packages/typed_data" title="^1.3.0">typed_data</a></p><h3 class="title">More</h3><p><a href="/packages?q=dependency%3Ahttp_parser" rel="nofollow">Packages that depend on http_parser</a></p></aside></div><script type="application/ld+json">{"@context":"http\u003a\u002f\u002fschema.org","@type":"SoftwareSourceCode","name":"http\u005fparser","version":"4.1.2","description":"http\u005fparser - A platform-independent package for parsing and serializing HTTP formats.","url":"https\u003a\u002f\u002fpub.dev\u002fpackages\u002fhttp\u005fparser","dateCreated":"2014-04-03T01\u003a34\u003a56.437Z","dateModified":"2025-01-02T18\u003a37\u003a12.729308Z","programmingLanguage":"Dart","image":"https\u003a\u002f\u002fpub.dev\u002fstatic\u002fimg\u002fpub-dev-icon-cover-image.png","license":"https\u003a\u002f\u002fpub.dev\u002fpackages\u002fhttp\u005fparser\u002flicense"}</script></div><div class="detail-metadata"><h3 class="detail-metadata-title"><span class="detail-metadata-toggle">←</span> Metadata</h3><div class="detail-info-box"><a class="packages-scores" href="/packages/http_parser/score"><div class="packages-score packages-score-like"><div class="packages-score-value -has-value"><span class="packages-score-value-number">246</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">likes</div></div><div class="packages-score packages-score-health"><div class="packages-score-value -has-value"><span class="packages-score-value-number">160</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">points</div></div><div class="packages-score packages-score-downloads" title="Number of downloads of this package during the past 30 days"><div class="packages-score-value -has-value"><span class="packages-score-value-number">6.34M</span><span class="packages-score-value-sign"></span></div><div class="packages-score-label">downloads</div></div></a><h3 class="title">Publisher</h3><p><a href="/publishers/dart.dev"><img class="-pub-publisher-shield filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-verified.svg" alt="verified publisher" width="14" height="14" title="Published by a pub.dev verified publisher"/>dart.dev</a></p><h3 class="title">Weekly Downloads</h3><div id="-weekly-downloads-sparkline" class="weekly-downloads-sparkline" data-widget="weekly-sparkline" data-weekly-sparkline-points="gLj1Z2fFFQA9IxYAoC8WABTIFQAcuRYAKJkVALRdFwBtihcAazsYANgPFgBlqhUAYDQVAO/cFABJcBIAClwJAPF7DQA88hQAxKEQAGD3DgB+KxAAKkwPAEGbDwACmw4A4XIPADjAEQDXkw0AUeQNAM81DwCu6Q0A3XMMAO7mDQDmWA0AG8ENANVNDgBjDw8AeB4OAKteDgBJmA0APAAOAImfCwCGzAwAmSYNAH+ZDABIdwsAbCQLAFK4CgBgEwsAEsUKAGRECwDgUgoAMigMADwwCwA="></div><h3 class="title pkg-infobox-metadata">Metadata</h3><p>A platform-independent package for parsing and serializing HTTP formats.</p><p><a class="link" href="https://github.com/dart-lang/http/tree/master/pkgs/http_parser" rel="ugc">Repository (GitHub)</a><br/><a class="link" href="https://github.com/dart-lang/http/blob/master/CONTRIBUTING.md" rel="ugc">Contributing</a><br/></p><h3 class="title">Documentation</h3><p><a class="link" href="/documentation/http_parser/latest/">API reference</a><br/></p><h3 class="title">License</h3><p><img class="inline-icon-img filter-invert-on-dark" src="/static/hash-j60jq2j3/img/material-icon-balance.svg" alt="" width="14" height="14" role="presentation"/>BSD-3-Clause (<a href="/packages/http_parser/license">license</a>)</p><h3 class="title">Dependencies</h3><p><a href="/packages/collection" title="^1.19.0">collection</a>, <a href="/packages/source_span" title="^1.8.0">source_span</a>, <a href="/packages/string_scanner" title="^1.1.0">string_scanner</a>, <a href="/packages/typed_data" title="^1.3.0">typed_data</a></p><h3 class="title">More</h3><p><a href="/packages?q=dependency%3Ahttp_parser" rel="nofollow">Packages that depend on http_parser</a></p></div><p class="detail-lead-back"><a class="detail-metadata-toggle">Back</a></p></div><div id="-screenshot-carousel" class="carousel"><fab id="-carousel-prev" class="mdc-fab carousel-prev carousel-nav" data-mdc-auto-init="MDCRipple" title="Previous" data-ga-click-event="screenshot-carousel-prev-click" tabindex="0"><div class="mdc-fab__ripple"></div><img class="mdc-fab__icon" src="/static/hash-j60jq2j3/img/keyboard_arrow_left.svg" alt="previous" width="24" height="24" 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