Free Online Text Compare Tool — Highlight Differences Instantly
Paste two versions of any text and instantly see the differences highlighted side-by-side.
Compare documents, code, paragraphs, or any plain text — by word, line, or character.
Fast, free, and 100% browser-based. No account or login required.
Why use this text comparison tool?
- Compare two texts side-by-side with color-coded highlights for additions and removals
- Three comparison modes: word-by-word, line-by-line, and character-by-character
- Free online text compare — no registration, no email, no subscription
- 100% client-side — your text never leaves your browser, completely private
- Works offline after the first page load
- Light and dark theme with saved preference
- Keyboard shortcut: Ctrl+Enter to run comparison instantly
Common use cases
Use this tool to compare document revisions and spot changes, find differences between two
drafts, check edited paragraphs, verify code modifications, or compare any two blocks of
text quickly and privately without uploading files to a server.
Frequently Asked Questions
- Is this text compare tool free?
- Yes, completely free. No subscription, no account, no email required.
- Does it send my text to a server?
- No. The comparison runs entirely in your browser. Nothing is ever uploaded or stored.
- What comparison modes are available?
- Word comparison, line comparison, and character comparison — switch between them instantly.
- Can I compare texts offline?
- Yes. Once the page loads, the tool works without an internet connection.
- What kinds of text can I compare?
- Any plain text — documents, code, essays, emails, contracts, or any written content.