100% Client-Side · Private & Safe · Zero Uploads
Text Difference Checker
Compare two texts side by side and highlight added or removed words, lines or characters. Useful for documents, source code, configs and proofreading.
Diff Precision Mode:
Original Text (Before)
Modified Text (After)
Visual Diff Results
+ Added - Removed
Waiting for text input to compare...
Frequently Asked Questions (FAQ)
Q: How to compare two documents and find differences?
Paste original text on the left and modified text on the right. The tool compares in milliseconds, highlighting additions in green and deletions in red.
Q: What is the difference between the 3 diff modes?
Words mode suits prose and articles; Lines mode suits source code and configs; Chars mode suits pinpointing typos and punctuation changes.
Q: Is it safe to compare proprietary code or contracts?
100% safe. All diff computations execute on your client device with zero server logs or transmission.