Diff Checker

Compare two versions of JSON, SQL, or any code side-by-side. Highlights every addition, removal, and change instantly.

Use case

Compare two versions of code or structured text when you need to spot exactly what changed.

What to expect

Paste both versions side by side and the tool will highlight additions, removals, and edits with synchronized scrolling.

Good to know

It is optimized for readability and review, not for applying patches or merging conflicts.

Ignore whitespaceCase sensitiveSemantic diff

A — Original0 chars

B — Modified0 chars

How to use this tool

Paste or type content in both panels. Use the language selector and options to refine the diff. Added lines are green, removed red, unchanged have no highlight. Scroll is synchronized between panels.