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1Password to LastPass converter

1Password and LastPass both use CSV, but 1Password writes 9 columns; LastPass expects 8 in a different order — so LastPass rejects a raw 1Password export or silently files everything into the wrong fields. Drop your export below and get back a file LastPass accepts.

Convert your 1Password export

Drop your 1Password CSV here or click to choose a file — nothing is uploaded

The conversion runs entirely in this tab using JavaScript. Your file is never sent to a server — you can confirm it by opening your browser's Network tab, or by turning off Wi-Fi before you drop the file in. Prefer not to do this in a browser tab at all? Download the converter and run it from your own disk.

Your export file is plaintext. Both the file 1Password gives you and the one you download here contain every password in readable form. Delete them as soon as the import is verified, and empty your trash.

What's actually different between the two formats

Only 3 of 9 column names match (url, username, password), and they're in a different order — enough for LastPass to accept the file and then put your passwords in the wrong fields.

1Password column	LastPass column	What happens
`Title`	`name`	Renamed and repositioned
`Username`	`username`	Renamed and repositioned
`Password`	`password`	Renamed and repositioned
`Url`	`url`	Renamed and repositioned
`OTPAuth`	`totp`	Renamed and repositioned
`Notes`	`extra`	Renamed and repositioned
`Tags`	`grouping`	Renamed and repositioned
`Favorite`	`fav`	Renamed and repositioned

What carries over

Field	1Password	LastPass	Result
Item name / title	Yes	Yes	Carried over
Username and password	Yes	Yes	Carried over
Website URL	Yes	Yes	Carried over
Notes	Yes	Yes	Carried over
Folders / groups	Yes	Yes	Carried over
Two-factor (TOTP) secrets	Yes	Yes	Carried over
Favorites	Yes	Yes	Carried over
Custom fields	No	Yes	Not in the source file
Multiple URLs per entry	No	No	Not in the source file
File attachments	Yes	No	No CSV export includes attachments. Download them out of 1Password separately before you close the account — this is the one thing people lose permanently.

Step 1 — Export from 1Password

Open the 1Password 8 desktop app (export is not available in the browser extension).
Select the vault you want, then choose File → Export → the account name.
Enter your 1Password account password.
Pick CSV as the file format and save it.

Official instructions: 1Password export documentation

Watch out for

1Password CSV export only covers Login and Password items — secure notes, documents, custom fields and linked items stay behind. Use .1pux if you need those.
Exports come out of the desktop app only; there is no CSV export in the 1Password browser extension or web app.

Step 2 — Convert it

Drop the file onto the converter above. It parses 1Password's layout, maps each field onto the universal record, then writes LastPass's exact expected columns — including the empty ones its importer requires and, where the two differ, the right shape for 2FA secrets. You'll see a preview and a list of anything LastPass can't hold before you download.

Rather not put this file in a browser tab connected to the internet? The same converter is available as a single HTML file you can download and open with your network switched off.

Step 3 — Import into LastPass

Open your LastPass vault and choose Advanced Options → Import.
Select "Other" → "Generic CSV File".
Upload the converted file and confirm.

Watch out for

Secure notes come out in the same CSV as logins, with the note body in the "extra" column and url set to http://sn. Converters that ignore this turn every note into a broken login.
LastPass sometimes renders the export as an HTML page instead of downloading a file. Copy the raw text — do not save the page itself.

Step 4 — Verify and clean up

Open ten entries in LastPass at random and check them against 1Password.
Generate a 2FA code for one account in LastPass and confirm it matches 1Password. A TOTP secret that imported wrong fails silently until you're locked out.
Sign in to one real site using LastPass to confirm autofill works.
Delete both CSV files and empty your trash. If your Downloads folder syncs to iCloud, OneDrive or Dropbox, confirm the deletion propagated there too.
Only then close your 1Password account — and change any password you suspect was exposed while the plaintext file existed.

Questions

Why won't LastPass import my 1Password file directly?

Only 3 of 9 column names match (url, username, password), and they're in a different order — enough for LastPass to accept the file and then put your passwords in the wrong fields. The converter rewrites the file into LastPass's exact expected layout, including the column order and any empty columns its importer requires.

Do my passwords get uploaded anywhere?

No. The conversion is JavaScript running in your own browser tab — the file is read with the FileReader API, transformed in memory, and handed back to you as a download. There is no upload, no server-side processing and no analytics attached to the file. You can verify this by disconnecting from the internet before you drop the file in: the conversion still works.

What gets lost moving from 1Password to LastPass?

LastPass can't natively store: file attachments. Rather than drop that data, the converter writes it into the notes field where LastPass has one, so you can move it back by hand. Keep your 1Password account active until you've confirmed everything you need made it across.

Will my two-factor codes still work after the move?

Yes, as long as 1Password exported the secrets. 1Password and LastPass store them in different shapes — one uses a bare Base32 secret, the other a full otpauth:// URI — and the converter translates between them, which is the step most manual migrations get wrong. Check a couple of codes against your old vault before you delete it, since a TOTP secret that fails to import is silent until you're locked out.

Is the export file from 1Password encrypted?

No. A 1Password CSV export is plaintext — every password in it is readable by anything that can open the file, including other apps on your machine and anything that syncs your Downloads folder to the cloud. Convert it, import it, then delete both files and empty your trash. If your Downloads folder syncs to iCloud, OneDrive or Dropbox, check that the deletion propagated.

Anything unusual about 1Password's export?

1Password CSV export only covers Login and Password items — secure notes, documents, custom fields and linked items stay behind. Use .1pux if you need those.

Anything unusual about importing into LastPass?

Secure notes come out in the same CSV as logins, with the note body in the "extra" column and url set to http://sn. Converters that ignore this turn every note into a broken login.

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