Myers diff algorithm
An efficient shortest-edit-script algorithm commonly used in version control tools.
100% local and private in your browserDiff Engine v2.4 · Myers Core
Text and Source Code Diff Checker
Diff CheckerCompare two texts or source files live with line, word, and character-level changes. Runs entirely in your browser; no data is sent to a server.
Run time: 0.00ms
0 of 0 changesAlt+P / Alt+N
+0 added−0 deleted~0 modifiedSimilarity
100%
A
Original · Before
typescript
B
Modified · After
typescript
Diff preview
+0−0~0Alt+F
No changes
RTL interface, LTR code
Persian interface works naturally alongside code and line numbers rendered left-to-right.
Private by design
Text is compared locally in your browser and is never uploaded.