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Text Diff
Compare two pieces of text and highlight differences. Great for developers, editors, and document comparison.
How to use this tool
- Paste the original text in the first field and the updated version in the second.
- Choose whether to compare by words, characters, or lines depending on the context.
- Review the highlighted output, then copy or download the diff for sharing.
Practical uses
- Spot copy edits from teammates without running a full version control workflow.
- Compare configuration snippets when debugging infrastructure drift.
- Track policy or legal wording changes before sign-off.
Pro tips
- Use line mode for large paragraphs to avoid noisy highlights.
- Switch to character mode when punctuation or spacing differences matter.
- Reset before starting a new comparison to avoid mixing results between sessions.
FAQ
- Does this diff ignore whitespace?
- Whitespace differences are treated like any other text. Switch to word mode for easier reading if spacing varies a lot.
- Can I export in unified diff format?
- Not yet. Download the annotated text and convert it with command-line tools if you need a specific diff format.
- How large can my input be?
- Browsers can handle moderately large texts, but performance may degrade past a few hundred kilobytes. For massive files use a dedicated diff application.
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