nstance

saving tabs as instances

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Save in one click

Name your current state, where every tab, every window is captures as an "instance". Come back to it tomorrow, next week, or on a different machine.

research - medical papers
Save
main work references
2 windows · 11 tabs · today ☁️
▶ Load
☰ Details
× Delete
reading club
1 window · 7 tabs · 2 days ago ☁️

Your groups

Tab groups travel with the session. Colors, labels, and collapsed state are all preserved, restored exactly as you left them.

design system - v3
1 window · 9 tabs · yesterday
figma · 3 tabs inspiration · 2 tabs components · 2 tabs 2 ungrouped

Pulled anywhere

Sign in with Google and your sessions sync to Firestore. Start at your desk, pick up on your laptop. Offline? Everything works locally. No connection required.

💻
Home MacBook
5 sessions synced
● live
🖥️
Work PC
5 sessions synced
● live
same sessions on both devices

Imported everywhere

Export all local sessions as a single JSON file. Import them back on any machine or browser. Imported sessions are tagged so you always know their origin.

design references
1 window · 8 tabs · today · 💻 · Brave · Imported
↑  Export
↓  Import

Inter-browser support

Available as a dedicated extension for both Chrome and Firefox. Brave, Edge, and Opera are supported too. Sessions record which browser saved them, allowing users to know where they were saved.

🌎
Chrome & Chromium
✓ full support
🦊
Firefox
✓ full support
saved in Brave → opened in Firefox

Always secure

Your URLs never touch Firestore in plaintext. Every session is encrypted with AES‑256‑GCM before it leaves your device. Only your account has permission to your work.

name
super secret stuff
encrypted windows
iv: "kQ3mR9xPzL2nB7vC"
ct: "U2FsdGVkX1+mK9pQ...
    bA7xR3nL2vQ8mP4w
    xY5zK1nR9mB3vL7p..."

Customizable per user

Small additional options intended to help the user experience, allowing users to delete tabs whether on loading new tabs or saving them. Additional options may later be added upon user request.

Dark Mode
Delete tabs on load
Delete tabs on save
Ignore Pinned Tabs
Ignore Grouped Tabs

One click to revisit

Expand any session to browse every tab. Click a tab row to open a website instantly. No need to load the whole session just to grab one tab.

music & references
1 window · 5 tabs · today
Session Details ×
Deftones - Beware - YouTube
vintage synths archive
discogs - release notes
github - dotfiles

Your tabs,
finally organized.

Your instances, anywhere you want.

Add to Chrome →