Diff Checker

Compare two texts line by line and spot changes instantly.

Original
Updated

Line changes

About this tool

Use this diff checker to compare configuration files, policy documents, or API payload versions. It highlights changed lines in a compact, readable output.

Common use cases

  • Compare security policy revisions.
  • Review config changes between environments.
  • Inspect payload updates during debugging.

How it works

  1. Paste original text on the left.
  2. Paste updated text on the right.
  3. Run compare to get line-level additions/removals.

FAQ

Does it ignore whitespace?
No, this simple mode compares lines exactly.

Do files upload?
No. All comparison logic runs locally in-browser.