How to Use Wotsup.org

Note: the on-site search box has been removed. Use the alternatives below to find format information.

Finding information

  • Browse by category using the site navigation to the left or the header menu. Categories group similar formats (archive, graphics, audio, etc.).
  • Use external search engines with a site filter, for example: site:wotsit.org zip format or site:wotsup.org "ZIP".
  • If you know a file extension, try browsing the relevant category or lookup pages (e.g., Archive / Compression formats).

Format pages include a short description, author/attribution (when known), and links to available specification documents or downloads.

Downloading files

  • Click the file link on a format page to download a specification or resource. Files are served from the assets/files/ area of the site.

Reporting problems or missing info

  • Found a broken link, error, or missing reference? Open an issue on GitHub: https://github.com/Matt-17/Wotsup.org/issues.
  • Prefer to suggest a change first? Open an issue describing the change and the source material.

Contributing

  • Want to contribute content or fixes? See our Contributing guide for a quick, friendly introduction and the best way to get started.

Need help

  • Check the FAQ for common questions.
  • For other inquiries, use the contact links on the site footer.