FullForms browser extension for Chrome, Firefox, and Edge

What it does

Search from anywhere: type fullforms in the address bar followed by a term, or open the side panel and search across every list you can access.
Right-click lookup: select text on any page and look it up, or add it to a list, straight from the context menu.
Quick add: capture a new term into your default list from the side panel or with a keyboard shortcut, while the page that taught it to you is still open.
Offline search: the extension keeps a local snapshot of your lists, so lookups keep working without a connection.
Glossary detection: when a site publishes a FullForms glossary link, the side panel surfaces that glossary for the page you're on.

Pick your browser's store:

Click the FullForms icon in your browser's toolbar.
Choose Sign in. A FullForms page opens asking you to authorize the extension for your account.
Approve it. The extension is now connected and your lists sync down for search.

Sign-in is per device. The access token stays in your browser's local storage and is never synced to other machines.

Address bar: type fullforms, press Tab or Space, then type your term. Results appear as you type.
Keyboard shortcuts: Cmd/Ctrl+Shift+K opens the side panel with your current selection as the query, and Cmd/Ctrl+Shift+Y starts adding the selection as a new entry.
Options page: set your default list for quick add, refresh the offline cache, and override the theme.

The extension reads only the lists your FullForms account can already access. Signing out removes the token and every cached list from the browser.
Page content is not collected or sent anywhere. Selected text is used only when you explicitly search or add it.
You can revoke the extension's access at any time from Account settings → API tokens on the web app.