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Text Diff Checker

Compare two texts online line by line. See added and removed lines, ignore whitespace or case, and copy the unified diff. Great for configs, code, and lists.

Original

Modified

2 added · 1 removed

  line one
− line two
+ line 2 edited
  line three
+ line four

How to use

  1. Paste input or drop a file above.
  2. Adjust options (delimiter, dialect, quality, ratio).
  3. Copy result or download — no sign-up needed.

FAQ

Is there a size limit?

Up to ~1500 lines per side for instant results; larger inputs are truncated with a notice.

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