Line & Character Difference Highlighting
Pinpoint exact modified words, characters, line additions, and deletions with color coding.
Text Comparison Tool
Compare two text files or code snippets online for free. Highlight character, word, and line differences with side-by-side diff view.
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How to use Text Comparison Tool
- 1
Paste original text or code into the left text box.
- 2
Paste modified text or code into the right text box.
- 3
Inspect inline or side-by-side differences with green (added) and red (removed) highlights.
Why use this tool?
Side-by-Side & Unified Diff Modes
Switch between dual comparison columns or unified git-style diff presentation.
Confidential Code & Text Review
Diffing runs completely in your browser memory so proprietary source code is never exposed.
Frequently asked questions
Can I compare code files with indentation and whitespace?
Yes. You can toggle whitespace sensitivity to detect indentation and spacing modifications.
Is there a limit on text length?
No artificial limit is imposed. Long articles and thousands of code lines compare rapidly in browser.
Can I swap original and modified texts?
Yes. Use the Swap button to invert comparison directions with one click.
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