Zero-cost visual diffs for Pull Requests using GitHub infra

zeeg · x · 2026-09-02

The author shared a visual diff hook for Pull Requests built on GitHub infrastructure. The tool runs entirely within GitHub Actions quota (free for most personal projects) and serves as a static web app loading assets via GitHub CDN. It improves upon a basic screenshot approach by providing visual UI diffs without additional costs.

Related event: Dev builds free UI visual diff PR hook using Git Refs and GitHub infra(2 posts)→

Original post →

More from coding & agent

coding & agent channel →