Text Diff Checker

Compare two texts or files and visually highlight differences. Supports multiple file uploads and various comparison modes.

📂Upload Files

Click, drag & drop, or paste to add

Supported formats: .txt, .csv, .log, .md, .json, etc.

How to use

1. Drag and drop files or click to select them. You can also paste copied text or files directly (Ctrl+V / Cmd+V).
2. The uploaded files will be listed.
3. Select the "Left (Original)" and "Right (Modified)" radio buttons to specify the two files you want to compare.
4. Differences will be displayed at the bottom of the screen.
5. Switch between "Split View" and "Unified View" to check in your preferred format.
6. Enable the "Ignore Whitespace" option to exclude differences in indentation or spaces from the comparison.

Security

🔒 Processing is done entirely within your browser. File contents are never sent to any server.