Browser Extension

StashSync for your browser

A side panel that brings your notes and bookmarks to every page — without opening a new tab.

Side panel — no tab switching
Rich-text notes with Markdown
Bookmarks with metadata
Right-click context menu
Stashes & colour-coded tags
Offline-first, real-time sync

Available now

Google Chrome logo

Google Chrome

Available
Microsoft Edge logo

Microsoft Edge

Available

Coming soon

Opera logo

Opera

Coming soon
Firefox logo

Firefox

Coming soon
Safari logo

Safari

Coming soon

Requirements

  • Chromium-based browser (Chrome 116+, Edge 116+, Brave, Arc, Opera)
  • A free StashSync account — sign up at web.stashsync.app
  • Manifest V3 compatible — no broad background script permissions
View extension changelog