Check repository size

·2026.04.10 06:31

Key point

You can instantly check a repository's size via the GitHub API and share it by URL.

Details

GitHub Repo Size is a tool that looks up a repository's size via the GitHub API when you enter the repository owner and name or paste a GitHub URL.

The result is shown in KB, MB, or GB depending on the repository's size, and the looked-up value is automatically saved in the browser URL, making it easy to reopen or share later.

The GitHub web UI doesn't show repository size directly, but the API includes this information. As an example, simonw/datasette shows up as 8.1MB.

github developer-tools simon-willison github-api repository-size

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