Text Compare Tool – Find Differences Between Two Texts Instantly

Compare two blocks of text and instantly highlight insertions, deletions, and modifications with this free online text difference checker. Choose between side-by-side, inline, or unified views. Compare at word or character level, with options to ignore case and extra whitespace. Perfect for comparing document versions, checking code changes, proofreading edits, and reviewing text modifications. All processing runs entirely in your browser — your data never leaves your device.

Comparison Options

View Mode

Original Text
Modified Text

How to Use the Text Compare Tool

Features:

  • Side-by-side, inline, and unified comparison views.
  • Word-level or character-level comparison.
  • Options to ignore case and extra whitespace.
  • Highlights insertions, deletions, and modifications.

How to use:

  1. Paste the first text in the left Input area.
  2. Paste the second text in the right Input area.
  3. Choose your view mode and comparison options.
  4. View highlighted differences in the Output area.
  5. Click Clear to start over.

Tips:

  • All processing runs entirely in your browser — your data never leaves your device.
  • Works instantly with no server requests or API calls.