Free online text comparison tool - Find differences in seconds
No registration. No data upload. Works entirely in your browser.
Text Diff Checker is a free, online tool that helps you compare two texts side by side and instantly highlights the differences. Whether you're comparing code snippets, documents, translations, or any other text content, our tool makes it easy to spot additions, deletions, and changes.
Yes! All comparisons happen directly in your browser. We never send any of your text to our servers.
No, the tool is completely free and requires no registration or login.
You can compare texts of any size, limited only by your browser's memory.
Currently English and Russian. More languages coming soon!
Absolutely! The tool works perfectly for comparing code, scripts, and configuration files.
Currently no, but the tool works entirely client-side so you can embed it in your own projects.