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StackDevLife

Developer Tool

Text Diff / Compare

Compare two blocks of text, code, or config files side-by-side. Additions are highlighted green, removals red. Everything runs in your browser.

Examples:
Original
Modified

Paste text in both areas above to see the diff

How to use this tool

  1. 1

    Paste your two versions

    Paste the original text in the left panel (Original) and the modified text in the right panel (Modified). Or click an example to load a pre-built comparison.

  2. 2

    Review the diff

    Lines added in the modified version are highlighted green (+). Lines removed from the original are highlighted red (-). Unchanged lines are shown without colour.

  3. 3

    Switch views or copy

    Toggle between Split (side-by-side) and Unified (single column) view. In unified view, click Copy to copy the diff as a standard unified-diff format.