jk
The whole loop, no mouse
Triage the queue with j and k, open with Enter, step through the diff, mark files viewed, submit your review. The mouse never comes into it.
J K triage · E viewed · S submit
A desktop app for GitHub and GitLab pull requests
Keyboard-first and cache-first, for the thing you do every day: open a review request, read the diff, leave a comment, move on.

jk
Triage the queue with j and k, open with Enter, step through the diff, mark files viewed, submit your review. The mouse never comes into it.
J K triage · E viewed · S submit
c
c opens a composer on the cursor line. Batch comments into a pending review, or send one on its own; both land instantly.
C comment · ⌘↵ add to review
⌘F
Double-click a token and every occurrence lights up. Find-in-diff ticks its matches on an overview ruler, and intraline emphasis shows exactly what a rename changed.
double-click marks · ⌘F find in the diff
macOS, Windows, and Linux, or install with Homebrew. Free to evaluate, no time limit.