Text Difference Checker (Diff Tool)

Compares two blocks of text and highlights the differences in unified diff format.

Instructions

Paste the two text blocks you want to compare into 'Text Block A' and 'Text Block B'. Optionally, check the box to ignore differences in leading/trailing whitespace per line. The tool will output the differences in the standard 'unified diff' format.

If checked, differences in leading/trailing spaces or tabs on each line will not be shown.