Text Diff Checker
TextCompare two pieces of text and highlight the differences line by line. Useful for spotting changes between drafts, configs, or code.
Runs entirely in your browser — nothing is uploaded
Frequently asked questions
How does the comparison work?+
It runs a line-by-line longest-common-subsequence diff and highlights added lines in green and removed lines in red.
Is my data sent to a server?+
No. Comparing text happens entirely in your browser using built-in web APIs — nothing is uploaded, stored, or logged.