// USING OMNA
Supported AI Apps
Omna works in two places: the **desktop capsule** (the Mac app) and the **browser extension** (Chrome). Each has its own list of supported apps.
Desktop capsule — Mac apps
The capsule appears at the bottom of your screen when any of these apps is open.
| App | Where to download | Notes |
|---|---|---|
| Claude Desktop | claude.ai → Download | Anthropic's official Mac app |
| ChatGPT | chatgpt.com → Download | OpenAI's official Mac app |
| Codex | Available via OpenAI | OpenAI's AI agent app |
| Cursor | cursor.sh | AI code editor — use the AI chat panel, not the code editor |
| VS Code | code.visualstudio.com | Works with any AI chat extension (Copilot, Gemini Code Assist, etc.) — use the chat panel |
IDE note (Cursor and VS Code)
Cursor and VS Code are code editors that have an AI chat sidebar built in. The capsule works correctly when the AI chat input is focused at the time you drop a file.
If you're typing in the code editor (not the chat panel) when you drop, Omna will say "Click the chat box first so I can read your question." Switch to the chat input and drop again.
Browser extension — AI websites
The Chrome extension works on these sites when you're using AI in the browser:
| Site | What the extension does |
|---|---|
| claude.ai | PII masking + file slicing |
| chatgpt.com | PII masking + file slicing |
| gemini.google.com | PII masking + file slicing |
| perplexity.ai | PII masking + file slicing |
| chat.deepseek.com | PII masking + file slicing |
The extension works on all Chrome sites for PII masking. The list above is where file interception (automatic slicing on attachment) is fully wired.
Does the extension need the Mac app?
PII masking works without the Mac app — the extension runs the masking engine locally in Chrome via WebAssembly.
File slicing requires the Mac app to be installed and running. The extension sends the file to the Mac app for slicing, then swaps the original with the sliced version before the AI site sees it.
Apps not currently supported
The following are common AI tools that are not yet supported in v1:
- Notion AI — AI inside Notion (on the roadmap)
- GitHub Copilot in VS Code — use the VS Code support above; the Copilot Chat panel works
- Windsurf (Codeium) — on the roadmap
- Gemini for Mac — on the roadmap if a desktop app ships
- Any web browser other than Chrome — Safari and Firefox extensions are on the roadmap
Coming soon
We're adding new apps regularly. If an AI app you use isn't on this list, you can still use Omna's file slicing by:
- Running the slice from the desktop capsule (drop a file onto the capsule while a supported app is open)
- Using the output file that Omna saves to your Downloads folder
Have a specific request? Drop us a note at omna.dev.