Diff Checker
Compare two texts and find differences
Read the full guideDiff Modes:
- Lines: Compare line by line, best for code
- Words: Compare word by word, best for prose
- Characters: Compare character by character
Powered by the diff library for accurate comparison.
Find changes in seconds. Compare two versions of text, code, or data and see exactly what was added, removed, or modified with high-contrast visual diffing.
A Diff Checker is a tool that implements a 'Difference Algorithm' to compare two sequences of text. It identifies the 'Minimum Edit Distance' to show the most logical path of changes between version A and version B.
Code Review
Checking changes in a script or CSS file before updating a live site.
Content Auditing
Comparing two drafts of an article to see exactly which sentences were edited.
We use the Myer's diff algorithm to provide the most intuitive results. You can toggle between side-by-side or inline views depending on your preference.
| Level | Detail | Best For |
| Line | Lowest | Source Code |
| Word | Medium | Essays/Blogs |
| Char | Highest | Hash/Keys |
All comparisons are done locally. It can handle texts up to several megabytes in size without server lag.