Compare Two Texts and Highlight Differences Online

Free, privacy-friendly, and color-coded. Instantly see what changed between two versions of any text.

Text Diff Checker
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Original Text

Modified Text

How to Compare Two Texts Online

Paste or type your original and modified text into the boxes above. Select your preferred comparison mode (word, character, or line), and instantly see the differences highlighted in color. Added text is shown in green, removed text in red, and unchanged text in gray. Use the copy buttons to quickly copy your results.

Highlight Changes Between Paragraphs

Our tool is perfect for comparing paragraphs, essays, or any large blocks of text. Writers, editors, and students can easily spot changes, edits, or plagiarism between two versions of a document.

Use the Text Diff Tool for Writers, Editors & Developers

Whether you’re a developer reviewing code, an editor tracking document changes, or a student checking for accidental plagiarism, this free online diff tool makes it easy to compare and highlight differences between any two texts.

Benefits of a Free Online Diff Tool

  • No installation or signup required
  • Works on any device (desktop, tablet, mobile)
  • Real-time, color-coded highlighting
  • Completely free and privacy-friendly
  • Great for code, essays, articles, and more