Run and compare commit-pinned public and private HTML directly on GitHub
Users
99
+34 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
+1 in 30 days
Store rank
#84K
#71K among extensions
Version
0.6.6
updated 5 Oct 2026
Users
monthly, 3 months
Latest, 16 Oct 2026:99 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:3 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About GitHub HTML Preview
Preview HTML files and pull request changes directly on GitHub. GitHub HTML Preview adds lightweight Code and Preview controls to HTML blobs, pull requests, commits, and comparisons. It renders commit-pinned HTML in an isolated sandbox, resolves repository-relative assets at exact refs, and supports side-by-side review of edited files with synchronized scrolling. Features include public and private repository previews through your signed-in GitHub session; added, removed, and edited pull-request file previews; full-page previews; durable numbered annotation pins linked to GitHub PR comments; automatic retries for transient failures; and visible diagnostics for unresolved resources. Privacy: no tracking, analytics, ads, external account, GitHub token storage, or password storage. Private repository access stays in your existing github.com session. Preview content is isolated from GitHub and extension APIs. Executable HTML can make network requests, like opening the page itself, so preview only code you trust.