String Compare
Paste two strings and see exactly what changed. Character, word, or line-level diff — everything runs on this device, nothing is sent anywhere.
Input strings
A — Original 0 chars · 0 lines
B — Compared 0 chars · 0 lines
Ready to compare
Paste two strings and press Compare.
0 added 0 removed 100% similarity
A — Removed highlighted
B — Added highlighted
No comparison yet — the inputs remain entirely on this device.
No uploads · no dependencies · no storage — ⌘/Ctrl + Enter to compare