Notes, logins and 2FA codes, inside the browser that uses them
The companion is a small extension in every profile’s browser. It shows that profile’s notes, logins and current codes, and nothing belonging to any other profile.
Mosaic is a desktop app
Email yourself the link and open it on your computer.

The companion, step by step
Open the profile
The companion is installed in its browser already.
Read and write notes
Notes are Markdown in one editor that styles as you type, the same notes the Mosaic window shows.
Fill logins and codes
Pick a saved login and the companion types it, with the current 2FA code.
Works with
Each profile keeps its own passwords and its own 2FA codes
A password vault and TOTP codes for each profile.
Cookie jarsBring a logged-in session in, take it out, keep it sealed
Import, export and keep cookies, encrypted on disk.
The profile managerA profile list built for the keyboard and for three hundred rows
Pins, a command palette, columns you choose, fast search.
The companion is in every plan
Free holds 3 profiles and 10 profile creations, with the same engine as Pro. Pro is $49 a month for any number.
Mosaic is a desktop app
Email yourself the link and open it on your computer.