Free Online Text Compare Tool
Instantly compare two blocks of text and find every difference. Our free diff checker highlights additions, deletions, and modifications with character-level precision. No signup, no limits, no data stored — everything runs in your browser.
Features
- Side-by-side diff view with line numbers
- Character-level difference highlighting
- Ignore case, trim whitespace, skip blank lines
- Navigate between differences with Prev/Next
- Merge changes from one side to the other
- Keyboard shortcuts: Ctrl+Enter, Ctrl+Z, Ctrl+Y
- Scroll minimap for quick navigation
- 100% client-side — your text never leaves your browser
Use Cases
Compare code snippets, configuration files, essays, legal documents, CSV data, API responses, or any two pieces of text. Perfect for developers, writers, and anyone who needs to spot differences quickly.