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How to Compare Text and Find Differences Efficiently

Updated 2026-02-18Verified Private

Manually checking two text files for changes is prone to human error. Our Text Diff tool automates the process, highlighting every addition and deletion.

Why is this needed?

Essential for developers checking code versions, writers comparing drafts, or legal professionals identifying contract changes.

!Step-by-Step Instructions

1

Paste Both Versions

Paste your 'Original' text in the left box and the 'Modified' text in the right box.

2

Choose Diff Mode

Select between 'Line by Line', 'Word by Word', or 'Character by Character' for the level of detail you need.

3

Review Highlights

Red highlights show deleted text, while green highlights show added content.

Ready to try it?

Open our free Text Diff Tool and get started now.

Pro Tips

  • Use 'Word by Word' mode for proofreading articles and 'Line by Line' for comparing code blocks.
  • You can click 'Sync Scroll' to move both versions together for easier comparison.

Frequently Asked Questions

Can I compare code files?

Yes! Our tool supports any text-based content including HTML, CSS, Javascript, and Python.

Is there a limit to text length?

We support up to 50,000 characters for high-speed local processing.

How to Compare Text and Find Differences Efficiently | Tulz Guides | Tulz