Review GitHub pull request diffs by hunk or line, collapse reviewed changes, and track progress.
Users
10
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#197K
#165K among extensions
Version
4.0.4
updated 14 Oct 2026
Users
monthly, 3 months
Latest, 16 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:0 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 HunkMark – Diff Review for GitHub
Keep track of what you have reviewed—even in a large GitHub pull request.
HunkMark adds hunk-level and line-level review controls to GitHub's Files changed tab. Mark an entire diff hunk or individual added and deleted lines as Viewed. Completed hunks can collapse automatically, while progress indicators show how much of each file and the entire page you have reviewed. Your progress remains available after reloads and GitHub page navigation.
HunkMark supports GitHub.com pull request Files changed pages in both Unified and Split views. Review progress is stored locally in Chrome.
HunkMark is an independent project and is not affiliated with GitHub, Inc. GitHub is a trademark of GitHub, Inc.