Limits for viewing content and diffs in a repository

Certain types of resources can be quite large, requiring excessive processing on GitHub. Because of this, limits are set to ensure requests complete in a reasonable amount of time.

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Most of the limits below affect both GitHub and the API.

Text limits

Text files over 1 MB are always displayed as plain text. Code is not syntax highlighted, and prose files are not converted to HTML (such as Markdown, AsciiDoc, etc.).

Text files over 5 MB are only available through their raw URLs, which are served through raw.githubusercontent.com; for example, https://raw.githubusercontent.com/octocat/Spoon-Knife/master/index.html. Click the Raw button to get the raw URL for a file.

Diff limits

Because diffs can become very large, we impose these limits on diffs for commits, pull requests, and compare views:

  • No single file's diff may exceed 20,000 lines that you can load or 1 MB of raw diff data. Four hundred lines and 20 KB are automatically loaded for a single file.
  • The maximum number of files in a single diff is limited to 3,000.
  • The maximum number of renderable files (such as images, PDFs, and GeoJSON files) in a single diff is limited to 25.

Some portions of a limited diff may be displayed, but anything exceeding the limit is not shown.

Commit listings limits

The compare view and pull requests pages display a list of commits between the base and head revisions. These lists are limited to 250 commits. If they exceed that limit, a note indicates that additional commits are present (but they're not shown).

Did this doc help you?

Help us make these docs great!

All GitHub docs are open source. See something that's wrong or unclear? Submit a pull request.

Make a contribution

Or, learn how to contribute.