Browser-only diff viewer
No data leaves your browser. 100% Local Processing. No API Calls. No Storage. Browser-only developer tools. データはブラウザの外に出ません。完全ローカル処理。API通信なし。保存なし。
Compare Text Locally
Apply Unified Diff
No Uploads
Compare text and code locally
This Secure Diff Viewer compares before and after text, formats existing diff output, and can apply unified diff patches in the browser.
It is useful for AI code changes, config changes, JSON changes, log changes, and reviewing patches that may contain private project details.
- Compare text locally with add and delete markers.
- Review code, config, JSON, and log changes.
- Apply unified diff patches to pasted content.
- No data leaves your browser.