.woff

Web Open Font Format

File Extension Details

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What is a .woff file?

The Web Open Font Format (WOFF) is a font format for use in web pages. It was developed to provide lossless compression of fonts, reducing file size and improving page load times. WOFF files contain font data, metadata, and private-use data. The metadata includes information about the font's license, designer, and other relevant details. The compression algorithm used in WOFF is based on zlib, which is widely supported and efficient. WOFF fonts are typically used with the @font-face CSS rule, allowing web developers to embed custom fonts directly into their websites. This eliminates the need for users to have the fonts installed on their local machines, ensuring consistent rendering across different platforms and browsers. WOFF has become a widely adopted standard for web fonts, supported by all major browsers. Its successor, WOFF2, offers even better compression and is also widely supported. Using WOFF helps improve website performance and provides greater design flexibility by allowing the use of a wider range of fonts.

.woff File

Web Open Font Format

Compatible Software Alternatives
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Category

Software Compatibility

Programs that can open and work with .woff files

Windows

Compatible Applications

Any modern web browser (Chrome, Firefox, Edge, etc.)
Compatible
FontForge
Compatible
BirdFont
Compatible
FontLab Studio
Compatible

macOS

Compatible Applications

Any modern web browser (Chrome, Firefox, Safari, etc.)
Compatible
FontForge
Compatible
BirdFont
Compatible
FontLab Studio
Compatible
TransType
Compatible

Linux

Compatible Applications

Any modern web browser (Chrome, Firefox, etc.)
Compatible
FontForge
Compatible
BirdFont
Compatible
FontLab Studio
Compatible

Mobile

Mobile Applications

Any modern web browser (Chrome, Safari, Firefox, etc.)
Compatible

Alternative File Formats

Similar formats you can consider

.WOFF2
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Alternative format for .woff files
.TTF
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Alternative format for .woff files
.OTF
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Alternative format for .woff files
.EOT
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Alternative format for .woff files
.SVG
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Alternative format for .woff files

Related Categories

Data Files
Archive Files
Audio Files
Document Files
Related Files
.xsl
Extensible Stylesheet Lan...
.protocol buffers
Protocol Buffers
.obj (.obj)
Wavefront OBJ File
.glb
glTF Binary
View All Data Files

Frequently Asked Questions

About .woff Files

To open a .woff file, you need compatible software. Here are some options:

  • Any modern web browser (Chrome, Firefox, Edge, etc.)
  • FontForge
  • Any modern web browser (Chrome, Firefox, Safari, etc.)
  • Any modern web browser (Chrome, Firefox, etc.)
  • Any modern web browser (Chrome, Safari, Firefox, etc.)

Check the "Software Compatibility" section above for a complete list of programs that can open .woff files on different operating systems.

To convert a .woff file to another format, you can:

  1. Use compatible software: Many programs that open .woff files also allow saving or exporting to different formats. For example, you might try using Any modern web browser (Chrome, Firefox, Edge, etc.) or Any modern web browser (Chrome, Firefox, Safari, etc.).
  2. Try online conversion services: Websites like Zamzar, CloudConvert, or Online-Convert can transform files between formats without installing software.
  3. Convert to recommended alternatives: For .woff files, consider converting to .WOFF2, .TTF, .OTF for better compatibility.
  4. Specialized conversion tools: Search for ".woff converter" to find tools specifically designed for this file type.

Note: Converting files may result in some loss of formatting, quality, or functionality depending on the compatibility between formats.

If you're having trouble opening a .woff file, try these troubleshooting steps:

  1. Verify the file extension is correct: Sometimes files may be incorrectly named. Make sure the file truly is a .woff file.
  2. Update your software: Ensure you're using the latest version of your chosen program.
  3. Try alternative software: If one program doesn't work, try another from our compatibility list.
  4. Check for file corruption: The file might be damaged. Try to obtain a new copy if possible.
  5. Look for file converters: Converting to a more common format might help.

Like any file type, .woff files can be safe or potentially risky depending on their source:

  • From trusted sources: Files from reputable websites, colleagues, or friends are generally safe.
  • From unknown sources: Exercise caution with files from unfamiliar websites or emails.

Safety recommendations:

  • Always scan files with antivirus software before opening them
  • Keep your operating system and applications updated
  • Be particularly cautious with executable file types

Common issues with .woff files include:

  • Compatibility problems: Older or newer versions of software may not fully support certain .woff files
  • Missing elements: Fonts, media, or other components may not transfer correctly between systems
  • File corruption: Incomplete downloads or transfer errors can damage files
  • Format variations: Different software may implement the .woff format in slightly different ways

If you're experiencing issues with a specific .woff file, you might need to:

  • Try opening it with alternative software
  • Ask the file creator to save it in a different format
  • Look for specific patches or updates for your software

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