Compare · Beta
Compare
Compare two texts, files, PDFs or pictures and see every change. Nothing uploaded.
Nothing to install: just open it in the browser on your phone, tablet or computer. It keeps working without internet after your first visit. Want an icon on your home screen? On iPhone or iPad, tap Share, then Add to Home Screen. On Android, open the browser menu and tap Add to Home screen. On a computer, click the install icon in the address bar.
Compare has these main features: Texts and code side by side or unified, word by word; JSON by key and CSV by row and cell. It opens Text, JSON, PDF, Any image.
Beta: still being tested, so some parts may change.
What you can do with Compare
- Compare two texts and see what changed
- Compare two PDF files
- Compare two images and find the differences
- Compare two JSON or CSV files
How Compare compares
Compare next to Diffchecker, WinMerge, Meld: facts from each tool's own pages, checked 2026-10-24. We make Compare.
| Tool | Price | Runs on | Compares | Licence |
|---|---|---|---|---|
| Compare ours | Free | Any modern browser | Texts and code, JSON, CSV, PDFs, pictures | MIT |
| Diffchecker | Free text compare; Pro and Desktop paid | Web; desktop app | Text, images, documents, spreadsheets; folders on desktop | Proprietary |
| WinMerge | Free, open source | Windows | Text, folders, images, CSV and TSV tables | Open source |
| Meld | Free, open source | Linux, Windows | Text, folders | GPLv2 or later |
| Feature | Compare ours | Diffchecker | WinMerge | Meld |
|---|---|---|---|---|
| Texts and code | Yes | Yes | Yes | Yes |
| Word-level highlights | Yes | Partly | Yes | Not stated |
| JSON by key | Yes | Not stated | Not stated | No |
| CSV as a table | Yes | Yes | Yes | No |
| PDFs | Yes | Yes | Not stated | No |
| Pictures | Yes | Yes | Yes | No |
| Folders | No | Partly | Yes | Yes |
| Merge | No | Partly | Yes | Yes |
| Three-way | No | Not stated | Not stated | Yes |
| Export a .patch | Yes | Not stated | Not stated | Not stated |
| No install | Yes | Yes | No | No |
| Mac | Yes | Yes | No | No |
The full comparison, with sources: The best free diff tools to compare files
Feature matrix
| Feature | Status | File types |
|---|---|---|
| Texts and code side by side or unified, word by word | Beta | Text, JSON, PDF, Any image |
| JSON by key and CSV by row and cell | Beta | Text, JSON, PDF, Any image |
| PDF text per page, and the pages as pictures | Beta | Text, JSON, PDF, Any image |
| Pictures side by side, with a slider and the changed pixels | Beta | Text, JSON, PDF, Any image |
| A report (HTML or PDF) and a .patch | Beta | Text, JSON, PDF, Any image |
File types
Compare opens Text, JSON, PDF, Any image.
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