↔️ Diff Checker

Compare two texts side-by-side. Find every difference. AI-powered explanation of what changed. Free, instant, 100% private.

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About Diff Checker

Compare two versions of text or code and instantly see what changed:

  • Side-by-side: Traditional diff view with additions and deletions
  • Inline: Unified diff format similar to git diff
  • Code-aware: Works great for source code, config files, JSON, and prose

🔒 All comparison happens in your browser. Your text never leaves your device.

About Diff Checker

Compare two text blocks side by side. Find differences with line-by-line highlighting. Perfect for code review, configuration changes, document revisions, and spotting edits. All processing in your browser.

Side-by-Side View

Split pane comparison with synchronized scrolling. Added lines in green, removed in red, unchanged in white.

Line-Level Diffs

Word-level highlighting within changed lines. See exactly what changed — not just which lines differ.

Unified Diff Output

Get standard unified diff format output. Copy-paste into git commits, code reviews, or documentation.

100% Private

Text comparison runs locally. No uploads — safe for proprietary code, configs, and sensitive documents.