Simply Once home

Import to Simply Once

Export your Firefox passwords

Export your Firefox passwords to CSV, step by step — where the option lives, what the file holds, and how to delete it safely once the move is done.

All import guides
7 steps 2 min
Plain-text file

Before you start: Your export is saved as a plain-text file. Keep it on your own device and delete it the moment your import into Simply Once is finished.

Format .csv Saves to Folder you choose You’ll need Your device login password
  1. 1

    Open the Firefox menu

    Click the menu button (☰) in the top-right of Firefox.

    Passwords
  2. 2

    Open Passwords

    Click Passwords (older versions: Logins and Passwords) to open the about:logins page.

    Fabout:logins
  3. 3

    Open the page menu

    Click the three-dot menu (⋯) in the top-right of that page.

    Export
  4. 4

    Choose Export Passwords

    Choose Export Passwords (or Export Logins…).

    FExport passwords Export Passwords
  5. 5

    Confirm the warning

    When Firefox warns that passwords export as readable text, click Export… to continue.

    FExport passwords Export
  6. 6

    Verify it's you

    Enter your computer’s login password if prompted.

    Confirm it's youConfirm
  7. 7

    Save the file

    Choose a filename and location, then click Save.

    Save fileDesktopNamepasswords.csvSave

Keep the file safe

  • This file lists every saved password in the clear — treat it like cash.
  • Delete it the moment your import into Simply Once is done.
  • Never email it or upload it to cloud storage.
  • Don’t share the file with anyone.
  • Use Shift + Delete on Windows, or empty your Trash on a Mac, so it can’t be recovered.

Frequently asked questions

Is the exported file encrypted?
No. The export is plain text — anyone who opens it can read every entry. Delete it as soon as your import into Simply Once is done.
Will exporting remove my passwords from Mozilla Firefox?
No. Exporting makes a copy. Your saved passwords stay in Mozilla Firefox.
What should I do with the file after I import it?
Delete it permanently. Use Shift + Delete on Windows or empty your Trash on a Mac so it can’t be recovered.
Which format does Simply Once accept?
CSV works for every guide here.

More export guides

Switching from something else, or moving more than one vault? Here's how to export from every tool we cover.

Once it’s in Simply Once, your vault is end-to-end encrypted. That exported file isn’t — delete it as soon as your import is done.

Ready to bring it all in?

Start your Simply Once vault and import what you just exported.