Text Diff

Compare text online free — diff two texts line by line with highlighted additions, deletions and changes. Ideal for code review and editing.

Free online text diff tool that highlights additions, deletions, and changes between two texts with color coding. All processing in your browser — no data sent to any server. Perfect for code review, document version comparison, and translation review.

Original Text
Modified Text
AddedRemovedUnchanged
Differences
—
lock Your files never leave your device

How to use Text Diff?

  1. Enter texts to compare in the left and right areas.
  2. The texts are automatically compared as you type.
  3. Review color-coded differences.

Frequently asked questions about Text Diff

Can I use it for code comparison?

Yes, it supports line-by-line comparison, ideal for code review.

Can I compare long texts?

Yes, no length limit — compare documents as long as browser memory allows.

Related Tools

Word & Character Counter

Free online word and character counter — real-time count of words, characters, sentences and bytes. Supports English and Korean text.

Character Counter

Free online character counter — real-time count of characters, words, sentences, paragraphs and reading time. Great for SEO and social limits.

Text Case Converter

Convert text case online free — uppercase, lowercase, title case, sentence case and camelCase. Instant browser-based results, no install.

Lorem Ipsum Generator

Generate Lorem Ipsum text online free — create placeholder text by words, sentences or paragraphs for web design and mockups. Browser-based.