Text Diff Highlighter - Compare Text Online

Compare and highlight the differences between two texts

Original text

New text

Text Diff Highlighter - Free Online Text Comparison

Tan Phat Digital's free online Text Diff Highlighter tool helps you compare two texts and highlight the differences visually. Shows added lines (blue +), deleted lines (red -), and unchanged lines. Statistics on the number of lines added, deleted, and preserved. Swap 2 texts to change the direction of comparison. Copy the diff results with standard +/- format. Completely free, processed offline in the browser.

Outstanding features

Compare 2 documents line by line (line-by-line diff)
Highlight the added line with blue and a +
sign Highlight the deleted line with red and -
Display the line unchanged to have context
Statistics: number of added lines, number of deleted lines, number of identical lines
Swap button to quickly change the position of 2 texts
Copy diff output with standard +/- format
Realtime processing when entering text

When is it necessary to compare texts?

Text diff (text comparison) is an essential tool in many situations. Code review: Compare code before and after editing to review changes. Version control: View differences between versions of the document. Debugging: Find out which config file was changed causing the error. Content editing: Compare the draft and final version of the article. Translation: Compare the original and the translation to check for errors. Legal documents: Compare versions of contracts. Data validation: Check whether the exported data matches the expected output. Merge conflicts: Understand conflicts when merging branches in Git.

Benefits when used

  • Find changes quickly - no need to read every line
  • Visual highlighting - easily identify additions and deletions
  • General statistics - know immediately how many changes
  • Effective code review - focus on what changes
  • Compare versions - track changes over time
  • Copy diff format - paste into reports or tickets
  • Offline processing - security for sensitive content
  • Free, unlimited

Detailed instructions for using Text Diff Highlighter

  1. 1Paste or enter the original text (original/old version) into the box
  2. 2left
  3. 3Paste or enter new text (modified/new version) into the
  4. 4box right
  5. 5Comparison results are automatically displayed in the
  6. 6section below
  7. 7Blue line (+): Line added in new text
  8. 8Red line (-): Line deleted from the original text
  9. 9Colorless line: The same line in both documents
  10. 10See statistics: number of lines +added, -removed, and unchanged
  11. 11Click the Swap icon (⇄) to change the position of the 2 text
  12. 12Click the Copy icon to copy the diff output with format +/-

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