Free Text Compare Tool
Compare two texts side by side and highlight differences. Free diff checker tool. Works entirely in your browser with no sign-up required.
Text Compare / Diff Checker
Compare two texts with advanced diff algorithm. See line-by-line and character-level differences with split or unified views.
Comparison Options
Original Text
1 lines, 0 words, 0 characters
Modified Text
1 lines, 0 words, 0 characters
Compare Two Texts
Enter text in both fields above, upload files, or drag and drop to see line-by-line and character-level differences.
About Text Compare
Compare two texts using an advanced LCS (Longest Common Subsequence) diff algorithm. This tool provides line-level, word-level, and character-level difference detection, plus a merge tool, export options, and comparison history.
View Modes
- Split view with synchronized scrolling
- Unified view: Inline diff (like Git)
- Character / Word / Line diff levels
- Change overview minimap
Features
- Ignore whitespace, case, blank lines, comments
- Navigate between changes with keyboard
- File upload and drag-and-drop support
- Search within diff output
- Fold unchanged regions
Tools
- Merge tool: Accept/reject individual changes
- Export as unified diff, HTML, or patch
- Save comparisons to history
- Swap panels, copy diff output
- Keyboard shortcuts for navigation
Privacy First: All text comparison happens locally in your browser. Your text is never sent to any server.
Related Tools
Frequently Asked Questions
What is the Text Compare tool?
Text Compare is a free online diff checker that highlights differences between two texts side by side, making it easy to spot changes.
Is Text Compare free to use?
Yes, Text Compare is completely free with no registration required. All comparison happens client-side in your browser.
Does Text Compare store my text?
No, all text processing happens locally in your browser. No data is sent to any server, ensuring complete privacy.
Does the Text Compare Tool work on mobile devices?
Yes, the Text Compare Tool is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the Text Compare Tool in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
Can I process large amounts of text?
Yes, the Text Compare Tool handles text of any length with fast, real-time processing. Since everything runs in your browser, performance depends on your device but works well for most use cases.
How do I use the Text Compare Tool?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The Text Compare Tool works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
About Free Text Compare Tool
Free Text Compare Tool is a free, browser-based tool in our Text Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.