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Text Difference Viewer

v1.0.0

Text Difference Viewer

Compare two texts side by side with a clean diff view and quick presets.

Warning

This tool is not supported on mobile devices, please use a desktop device for better experience.

Original (Left)Source
37 chars
Modified (Right)New
62 chars
Results
+0-0=0
Left
Right
Line
No diff to show yet.
Settings & Presets
Presets
Diffing runs locally in your browser. Large inputs may take a moment when line counts grow.

  • Preview and validate Twitter Card markup to ensure your content displays correctly on Twitter.

  • Test regular expressions with live matches, flags, highlights, and capture group details.

  • JSON Viewer
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    Visualize JSON data in a tree structure, making it easier to understand complex JSON data.

  • Edit and preview markdown content in real time, making it easy to format and share documents.

  • JSON Data Query
    Similar tool

    Query JSON data using dot notation and array indexing to extract specific values from complex JSON structures.

  • Compare two JSON objects and visualize the differences for easy analysis.

What is a Text Diff?

A text diff compares two documents line by line to show what changed. It is useful for reviewing edits, spotting regressions, or merging content.

How to use

  1. Paste your original text on the left and the modified text on the right.
  2. Toggle options like ignoring case or trimming whitespace if needed.
  3. Review the diff table to see added, removed, or unchanged lines with line numbers.

Tips

  • Keep inputs reasonably sized for faster diffing.
  • Use presets to quickly test patterns like release notes or JSON snippets.
  • Whitespace changes can be noisy—enable trimming to focus on content.