Text & Code Diff Checker

Compare two texts or code versions with line-level additions and removals.

✓ Runs in your browser

OriginalChanged

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Private by default

Tool input stays in this browser. Nothing is uploaded unless the tool clearly says otherwise.

Built for quick, repeatable developer tasks with a privacy-first browser workflow.

Compare two texts or code versions with line-level additions and removals.

Create static or tracked QR codes with free scan statistics — no signup and no expiry.

Format, validate, minify and sort JSON locally in your browser.

Generate secure UUID v4 or time-ordered UUID v7 values in bulk.

Test JavaScript regular expressions, capture groups and replacements safely.