Mihiraki – Markdown Diff & Review for GitHub

Review Markdown diffs in GitHub pull requests: rendered side by side with the changes highlighted, and comment on them inline.

Review Markdown changes in GitHub pull requests the way they read: rendered, side by side, with the old version on the left and the new one on the right — and comment on them right there. For Markdown, GitHub's rich diff overlays both versions in a single view and does not take review comments. Mihiraki takes its place when you switch a changed Markdown file to the rich diff on a pull request's "Files changed" tab, following GitHub's own split / unified setting. • Split layout: both versions rendered and aligned block by block (headings, paragraphs, lists, tables) • Unified layout: one column, with the changes marked in place • Changed words highlighted inside each block (character by character for Japanese and Chinese) • Hover over a block and press "+" to comment, or drag to select a range, as in GitHub's own diff • Comments are ordinary GitHub review comments: post one right away, or add it to your pending review • Existing review threads are shown beside the text they refer to: reply, quote, resolve, edit or delete your comments, and add reactions there • Want GitHub's own rich diff for a file? One click switches that file back, and one click returns • Mermaid diagrams are drawn as GitHub draws them, the old and new versions side by side • Images from other sites load through GitHub's image proxy, as on GitHub; one it cannot proxy waits until you click it • Shown in English or Japanese: it follows the browser's language at first, and you can switch from the toolbar icon • Uses the GitHub session you are already signed in with: no token, and the only permissions are access to github.com and storage for the display language • No data collection: the extension talks only to GitHub (github.com, and GitHub's own diagram renderer) Open source (MIT): https://github.com/KinjiKawaguchi/mihiraki