Find differences in your
files and code
in seconds
Compare text files, source code, or JSON locally. Your data never leaves your browser. Fast, secure, and designed for a premium visual experience.
File Diff Tool
Drag your files, paste text, or load our example to see differences instantly.
Drag a file here or click to select
Drag a file here or click to select
Professional-Grade Features
Designed for developers, writers, and anyone needing to compare texts with speed and precision.
Absolute Privacy
All processing is 100% local. Your files never travel to external servers. Your data stays entirely on your machine.
Myers Algorithm
Uses the same robust and optimized diffing logic as Git to locate and display text alterations with minimal steps.
Flexible Views
Switch instantly between side-by-side (Split) view for line-by-line comparison, or inline (Unified) view for tracking changes.
Drag and Drop
Upload files directly by dragging them onto the panels. Supports code formats, markdown files, JSON, and plain text.
Word-Level Diff
Goes beyond line level highlighting to identify the exact words or characters changed within any modified line.
Synced Scroll
Scrolling either side keeps the other side perfectly aligned horizontally and vertically, making comparisons effortless.
Guaranteed Privacy & Security
Our application is built using local browser technology. None of your text or files are uploaded to the internet. Comparisons run instantly in your local RAM.