b2KIT

Text Diff & 3-Way Merger

Three-way merge tool: paste base text, version A, and version B. Highlights conflicts and lets you click to resolve.

How to Use Text Diff & 3-Way Merger

  1. 1

    Paste both versions

    Enter the original text and the modified version.

  2. 2

    Review the diff

    See changes highlighted as additions, deletions, and modifications.

  3. 3

    Merge selectively

    Choose which changes to accept or reject in the final output.

  4. 4

    Copy merged text

    Click copy to grab the merged result.

Related Tools

Word & Character Counter

Count words, characters, sentences, and paragraphs in any text instantly.

Text Case Converter

Convert text between uppercase, lowercase, title case, sentence case, and more.

Text to Speech Player

Paste text and hear it read aloud using Web Speech API. Adjust voice, speed, and pitch in real time.

Text Diff Comparison Tool

Compare two blocks of text side-by-side and highlight differences instantly.

Remove Duplicate Lines

Paste text and instantly remove duplicate lines while preserving order.

Text Cleaner

Strip extra whitespace, fix line breaks, and normalize text for clean output.