Paste your original text in the left box and the modified version in the right box, then click "Compare Texts." Our tool highlights every difference: removed lines in red, added lines in green, and modified lines in yellow. This side-by-side view makes it easy to spot even small changes.
No. All comparison happens entirely in your browser. Your text never leaves your device.
There is no hard limit, but performance is best under 10,000 lines. Very large texts may slow down your browser.
Yes. This tool works for any plain text, including source code, configuration files, JSON, XML, and more.