Free Tool
Text Diff Checker
Compare two blocks of text and see the differences highlighted. Find additions, removals, and unchanged lines. 100% client-side — nothing sent to servers.
Original Text
Modified Text
Free Online Text Diff Tool
Compare two pieces of text side by side and see exactly what changed. Perfect for comparing code, configuration files, documents, or any text content. Uses a standard LCS (Longest Common Subsequence) algorithm for accurate diff computation.
Common Use Cases
- • Code review: Compare two versions of a file
- • Content editing: See what changed between drafts
- • Configuration audit: Spot changes in config files
- • API responses: Compare response payloads