Focus Diff Firefox

Focus Diff

Filter GitHub pull request diffs with your own filters and see how much is left to review.
xHeader
Modify request and response headers. No ads, no malware.

Features & Capabilities

Big pull requests mix the code you own with tests, docs, lock files and generated files. Focus Diff adds a small bar to the Files changed page so you can review one part at a time.

Filter the diff • Make filters from file patterns: Frontend, Backend, Tests, Docs, or anything your repository needs. • Start from ready-made examples, then keep filters for every repository or only one. • Pick a filter and the diff shows only its files. Files changed and the +/− lines count only what you review. • Share your filters with your team: copy them in settings, and a teammate imports them in theirs.

See what’s left • Files left to review, lines added and removed, and an estimate of the review time, for the filter you’re on. • A breakdown of every filter side by side. • A Done badge when a filter is fully reviewed.

Move faster • Jump to the next file you haven’t viewed (Alt+Shift+J). • Step through every conversation on the pull request without scrolling for it. • Switch filters from the keyboard: Alt+Shift+. and Alt+Shift+, to cycle, Alt+Shift+0 for all files. You can change every shortcut in your browser’s shortcut settings.

Private by design • No account, no tracking, no network requests. Focus Diff reads the file paths and line counts already on the page, and nothing leaves your browser. • Your filters and themes stay in your browser’s storage.

Works with the keyboard and screen readers, follows GitHub’s light and dark themes, and comes in English and Brazilian Portuguese. You can also make a theme of your own: pick the bar’s colours in settings with a live preview, and share it with your team.

Free and open source under the MIT license: https://github.com/hyanmandian/focus-diff

User Growth & Download Statistics

Manifest V3 Add-on
By:
Hyan Mandian
Daily users:
1
Version:
1.2.0 Last updated: 2026-10-13
Version code:
6573529
Creation date:
2026-10-05
Firefox add-on GUID:
focus-diff@hyan.com.br
Firefox add-on numeric ID:
3086934
Firefox on Android:
Yes
Risk:
Moderate risk impact High risk likelihood
Permissions:
Content scripts matches:
  • github.com
Size:
184.87KB
Email:
fo*****@hyan.com.br
Website:
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-10-28
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:
Hyan Mandian
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/focus-diff/
Email:
fo*****@hyan.com.br
Website:
https://focus-diff.com

Is Focus Diff Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.
Moderate risk impactModerate risk impact

Focus Diff requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Request access to the following domains: github.com
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.
High risk likelihoodHigh risk likelihood

Focus Diff is recently added, and hasn't been around long enough for us to gather enough data to accurately assess its risk level.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
  • High **** ********* *** ******** ****** *** ********** *** *** ** ****** ** *****
  • High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
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