Installation

Raval is available as a Chrome extension from the Web Store, or you can build it from source for Chrome and Firefox.

Chrome Web Store

1. Visit the Raval listing on the Chrome Web Store.
2. Click Add to Chrome.
3. Confirm the permissions prompt.
4. Activate Raval with Option+Shift+C (Mac) or Alt+Shift+C (Windows/Linux), or click the extension icon in your toolbar.

Build from source

git clone https://github.com/heysolomon/raval.git
cd raval
pnpm install
pnpm build --filter=@raval/extension

Then load the extension in your browser:

1. Open chrome://extensions (Chrome) or about:debugging (Firefox).
2. Enable Developer mode (Chrome) or click This Firefox (Firefox).
3. Click Load unpacked and select apps/extension/dist/.

For Firefox, use the dedicated build:

pnpm build --filter=@raval/extension -- --config vite.config.firefox.ts

Browser support

Browser	Status	Notes
Chrome	Supported	Manifest V3
Firefox	Supported	Manifest V2 build
Edge	Supported	Uses Chrome Web Store build
Safari	Not supported	No extension API

Permissions

Raval requests only what it needs:

• activeTab — inject the overlay on the page you are viewing
• scripting — run measurement tools when you activate Raval
• storage — save guides and preferences locally
• tabs — capture screenshots when you press S

No data is collected or transmitted. See the privacy policy for details.