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Web file extensions

Web markup, stylesheet, and related assets used by browsers and web platforms.

Total extensions in this category: 6

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Extensions in Web

Explore the most searched extensions in this category.

  • .css

    CSS Document File

    .CSS files are used for web pages, browser rendering, and front-end assets. Open with web browsers, code editors, or build tools for web development. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: text/css.

    Open on WindowsOpen on Mac
  • .htm

    HTM Document File

    .HTM files are used for web pages, browser rendering, and front-end assets. Open with web browsers, code editors, or build tools for web development. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: text/html.

    Open on WindowsOpen on Mac
  • .svgz

    SVGZ Image File

    .SVGZ files are used for web pages, browser rendering, and front-end assets. Open with web browsers, code editors, or build tools for web development. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: image/svg+xml.

    Open on WindowsOpen on Mac
  • .xml

    XML Document File

    .XML files are used for web pages, browser rendering, and front-end assets. Open with web browsers, code editors, or build tools for web development. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: application/xml.

    Open on WindowsOpen on Mac
  • .xul

    XUL Document File

    .XUL files are used for web pages, browser rendering, and front-end assets. Open with web browsers, code editors, or build tools for web development. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: text/xul.

    Open on WindowsOpen on Mac
  • .html

    HTML Document File

    .HTML files are web documents used to structure content on the internet and can be opened in any web browser.

    Open on WindowsOpen on Mac

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