Text Diff Checker
Compare two text snippets or code files in real-time. Highlights additions, deletions, and character changes completely client-side.
Original (Old) Text
0 lines
Modified (New) Text
0 lines
🔍 Visual Comparison Result
+0 additions
-0 deletions
Paste text in both boxes above to see real-time differences.
💡
Comparing structured payloads? Format them first with the JSON Formatter, or preview formatted documentation in our Markdown Editor.
❓ Frequently Asked Questions
Q. What diff algorithm is used?
The comparator implements Myers diff algorithm directly in client-side JavaScript, providing accurate minimal-edit distance calculation.
Q. Are side-by-side and unified inline views supported?
Yes, you can toggle between a two-column split comparison and a unified inline diff view with color-coded additions and deletions.
Q. Is confidential code uploaded to any third-party server?
Zero bytes are sent over the network. Your source code, configuration files, and proprietary secrets stay 100% private on your machine.