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You can leave Firefox without losing your saved sites or credentials, but open tabs need a separate preservation step. Before closing Firefox, save every open tab into a clearly named bookmark folder. Then use the destination browser’s importer for bookmarks and passwords; if it cannot read Firefox directly, use a Firefox bookmarks HTML export and, where supported, a password CSV file.
The exact choices depend on the destination browser, operating system, and version. Treat password exports as sensitive files, verify the new browser before removing Firefox, and do not assume that a saved-tab folder will reappear as a live browser session.
What transfers from Firefox—and what does not
A browser migration involves three different kinds of data. Bookmarks are portable links, passwords are protected credentials with browser-specific import rules, and open tabs are a temporary session that must be preserved deliberately.
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| Firefox data | Most reliable transfer method | What to expect |
|---|---|---|
| Bookmarks and bookmark folders | Destination browser’s importer; Firefox bookmarks HTML export as a fallback | Folders and URLs usually transfer, but the destination may place them under a folder such as “Other bookmarks” or “Imported.” |
| Saved passwords | Direct browser import when offered; otherwise a destination-supported CSV workflow | Availability varies by browser, operating system, and version. A CSV can contain readable credentials. |
| Currently open tabs | Bookmark all open tabs into one named folder before closing Firefox | The documented method preserves the pages as bookmarks. It does not establish that another browser will restore them as a live session. |
| Firefox history and other profile data | Only if the destination specifically supports it | Do not assume history, extensions, settings, cookies, or active logins will transfer just because bookmarks and passwords do. |
Mozilla’s documented switching workflow describes preserving open pages by bookmarking them into a new folder, while browser support pages describe separate import tools for bookmarks and passwords. Plan each category independently instead of looking for one universal “move everything” button.
Step 1: Preserve every open Firefox tab
Do this while Firefox is still open. Once Firefox closes, the tab set may be harder to reconstruct, especially if session restore is disabled or the destination browser cannot read Firefox’s session data.
Create a clearly named tab folder
- Review the tabs in every Firefox window. Close duplicates and note any page that requires an unsaved form, shopping cart, or temporary login; bookmarking a URL does not preserve text entered into a form.
- Use Firefox’s tab or bookmark command to bookmark all tabs in the current window. Depending on the Firefox release, the command is labeled “Bookmark All Tabs” or appears in the tab context menu.
- Create a new folder with a name that identifies both the purpose and date, such as
Open Tabs - 2026-10-16. If you have multiple windows, save each window in its own folder or add a window number. - Open the new folder from the Bookmarks menu and confirm that it contains the pages you expect. Repeat for every Firefox window.
This folder is your portable record of the session. After importing it, you can open all or selected pages in the new browser, but they will be ordinary bookmarks rather than a guaranteed continuation of the old live session.
Step 2: Check the destination browser before exporting anything
Import options are not interchangeable. Check the destination’s current help page and the operating system on which it is installed before creating a password file.
| Destination | Bookmarks from Firefox | Firefox passwords | Important conditions |
|---|---|---|---|
| Chrome | Use Chrome’s bookmark import flow with a Firefox HTML file when direct browser selection is unavailable. See Google Chrome Help. | Password import is handled through Google Password Manager; the exact control can vary by Chrome release. | Imported bookmarks may appear in “Other bookmarks,” an “Imported” folder, or the bookmarks bar, depending on the existing setup. |
| Microsoft Edge | Microsoft documents importing favorites from an HTML file. | Microsoft documents importing passwords from a CSV file. | The cited instructions apply to Windows 10 and Windows 11. Check labels in the installed Edge version. |
| Safari on Mac | Safari can import directly from Firefox when Firefox is installed on the Mac, and it can also read an HTML bookmarks file. | Safari can import Firefox passwords directly when Firefox is installed, or accept a supported CSV export. | Imported passwords go into iCloud Keychain. The instructions are for Safari on Mac, not Safari on Windows or mobile devices. |
| Another or unlisted browser | Export Firefox bookmarks as HTML, then use the destination’s HTML importer if available. | Look for a documented direct import or CSV format before exporting credentials. | If the destination does not document password import, do not guess at a CSV schema or upload credentials to an unverified converter. |
For Firefox’s general fallback procedure, see Mozilla’s “Import data from another browser” instructions. Mozilla recommends an HTML bookmark export when the source browser is not listed in an import wizard.
Step 3: Export Firefox bookmarks as a portable HTML file
An HTML bookmark file is the safest cross-browser fallback because it contains links and folder structure rather than secret credentials.
- Open Firefox’s Library or bookmark-management view. In current releases this is available from the Bookmarks menu through “Manage bookmarks” or “Show all bookmarks.”
- In the Library window, choose the command to import or back up bookmarks, then select Export Bookmarks to HTML.
- Save the file in a private, clearly named location such as
Firefox-bookmarks-2026-10-16.html. Keep the file until the destination import and verification are complete. - If you created an
Open Tabsfolder, expand the bookmark tree or use the destination manager later to confirm that this folder is included in the export.
Do not open the HTML file and assume that viewing it proves the migration worked. It is an export container; the destination browser must import it into its own bookmark database.
Step 4: Import bookmarks into the new browser
Chrome
Open Chrome’s bookmark import control and choose the option for an HTML file if Firefox is not offered as a source. Select the Firefox export and wait for the import to finish. Chrome notes that the resulting bookmarks can be placed under “Other bookmarks” or an “Imported” folder, or on the bookmarks bar when no existing bookmarks are present. Open the bookmark manager rather than looking only at the toolbar.
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In Edge, open the favorites import control, select the HTML-file option, and choose the Firefox export. Microsoft’s instructions cover Windows 10 and Windows 11; menu names can change in later releases. After the import, expand every imported folder, including the folder that contains your saved tabs.
Safari on Mac
Safari can import bookmarks directly from an installed Firefox profile. If that option does not appear, use Safari’s HTML bookmark import command and select the file you exported from Firefox. Apple’s instructions for direct import are specific to Safari on Mac; they do not establish an equivalent workflow on other platforms. See Apple’s direct-import guide for the supported Mac flow.
Other browsers
Look for an “Import bookmarks,” “Import favorites,” or similarly named command and select the HTML file. If no HTML importer exists, retain the file as a backup and consider manually opening the saved-tab folder’s links. Avoid third-party conversion services for files that might contain more data than you intended to disclose.
Step 5: Move Firefox passwords using the destination’s supported route
Passwords require more care than bookmarks. First check for a direct Firefox import. Export a CSV only when the destination explicitly supports it and you are ready to import immediately.
Chrome and Google Password Manager
Chrome routes password import through Google Password Manager. Open Chrome’s password manager settings and look for an import command; labels and placement can differ by release. If Chrome offers a direct Firefox source, use it. If it asks for a CSV, follow the file-format instructions shown in that dialog rather than editing columns based on a generic template.
After import, search for several known sites in Chrome’s password manager. A successful bookmark import does not prove that passwords were imported; the two operations are independent.
Microsoft Edge on Windows
Microsoft documents a CSV password-import path in its Edge favorites and passwords guide. In Edge’s settings, choose the password import option, select the CSV source when prompted, and complete the import. The cited support article applies to Windows 10 and Windows 11, so check the installed version’s current controls if the menu is different.
Safari on Mac
When Firefox is installed on the Mac, Safari can import passwords directly from Firefox. Apple also documents importing passwords from a CSV export when that route is needed. Imported Safari passwords are stored in iCloud Keychain. See Apple’s Safari data-import guide and confirm that you understand where the credentials will be stored before proceeding.
Firefox-version and operating-system caveats
Mozilla states that Chrome passwords can no longer be imported automatically into Firefox on Windows and provides a CSV migration wizard instead. Its import-data article notes a user-interface change beginning with Firefox 139 for English locales and Firefox 140 for all locales. A separate Mozilla switching article says automatic Chrome-password import is unavailable on Windows starting with Firefox 140 and unavailable on Linux. These statements concern importing Chrome data into Firefox, not every browser migration, so use the current instructions for the destination and the version installed on your computer as the operational authority. Read Mozilla’s current import-data page before relying on an automatic password transfer.
How to handle a password CSV safely
A password CSV is usually readable text. Anyone or any backup process that can access it may be able to read the usernames and passwords inside.
- Export only after the destination browser is open and its import dialog is ready.
- Save the file in a private local folder with access restricted to your account. Do not email it, place it in a shared folder, or upload it to an online converter.
- Import it immediately, then test representative entries in the destination password manager.
- Delete the CSV using your operating system’s normal file deletion process, and empty the recycle bin or trash if appropriate.
- Check whether your backup or cloud-sync software copied the file. Remove unintended copies according to that service’s controls.
Apple warns that imported browser-data files may contain unencrypted information and should be deleted after import. Treat that warning as applying to any credential export, not just a particular browser. If you suspect that the file was exposed, change the affected passwords from the relevant websites and revoke active sessions where those sites provide that control.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Step 6: Verify the migration before depending on it
Perform these checks while Firefox and its profile are still available:
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- Open the destination bookmark manager and locate the imported Firefox folders.
- Open several high-value bookmarks, including one from the saved open-tab folder, and confirm that the URL and page load correctly.
- Check that nested folders, separators, and important mobile or toolbar bookmark groups are where you expect them.
- Search the destination password manager for several accounts from different sites. Test sign-in on those sites without deleting the corresponding Firefox entries first.
- Confirm that the destination’s password manager reports the expected number of imported credentials if it provides a count; do not treat a count as proof that every password is correct.
- Open a handful of saved-tab links in the new browser and decide which old tabs you can archive or remove.
- Keep Firefox installed and its profile untouched until these checks pass.
Support pages describe the import functions, not a guarantee that every item transfers perfectly in every configuration. A site may have duplicate logins, an outdated password, a passkey instead of a password, or a URL that now redirects. Verification catches those cases before you need the old browser.
Troubleshooting common migration failures
The destination does not list Firefox
Export Firefox bookmarks to HTML and use the destination’s HTML importer. For passwords, look for a documented CSV route. If neither direct import nor CSV is documented, preserve the Firefox profile and move credentials manually through the destination’s approved process rather than guessing.
The bookmarks imported but the saved-tab folder is missing
Reopen the destination bookmark manager and inspect “Other bookmarks,” “Imported,” and any folder created with the import date. If the folder is still absent, export Firefox bookmarks again after confirming that the folder is visible in Firefox’s Library, then repeat the HTML import.
Passwords are missing or the CSV is rejected
Confirm that you selected the password importer rather than the bookmark importer and that the destination expects a CSV. Do not rename random columns or add a header based on an internet example; use the format specified by the destination. Check whether your browser version or operating system disables automatic import, as Mozilla documents version- and platform-specific changes.
Safari cannot see Firefox
Apple’s direct Safari workflow requires Firefox to be installed on the Mac. If Firefox is absent or the direct option is unavailable, use Firefox’s bookmark HTML export and the supported password CSV route instead.
Some logins still fail after import
Test whether the account uses a passkey, security key, one-time code, or an organization-managed sign-in instead of a reusable password. Re-enter the login manually, check the destination’s matching-domain entry, and change the password on the site if the stored value is obsolete. Do not delete the Firefox copy until the replacement sign-in succeeds.
The new browser opened the links but not the old session
That is expected from the documented preservation method. The open-tab folder stores URLs as bookmarks; it does not promise to carry form state, scroll position, unsaved work, private-window tabs, or a live session. Reopen the pages from the folder and recreate any work that was never saved to the site.
When it is safe to remove Firefox
Uninstalling Firefox is not part of the import itself. Keep Firefox and its profile until you have verified critical bookmarks, passwords, and saved-tab links on the destination. Mozilla’s switching documentation says its Chrome-to-Firefox example does not delete Chrome data or change Chrome settings, but that reassurance applies to that documented workflow and should not be generalized to every browser pair.
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Quick Recap
A practical migration checklist
- Bookmark all open Firefox tabs into clearly named folders.
- Identify the destination browser, operating system, and installed version.
- Check whether bookmarks and passwords can be imported directly.
- Export Firefox bookmarks to HTML as a portable fallback.
- Prepare a password CSV only when the destination explicitly supports it.
- Import bookmarks, then import passwords through the destination’s separate control.
- Inspect “Other bookmarks,” “Imported,” and the bookmarks bar for the saved-tab folder.
- Test important links and several logins.
- Delete credential export files and unintended copies.
- Keep Firefox until the checks pass, then remove it only if you no longer need the fallback.
Further reading from the browser makers
- Google Chrome Help: Import Chrome bookmarks and settings
- Mozilla Support: Import data from another browser
- Mozilla Support: Switch from Chrome to Firefox
- Microsoft Support: Import favorites and passwords in Edge
- Apple Support: Import bookmarks and history directly from another browser in Safari on Mac
- Apple Support: Import data from another browser into Safari on Mac
- Firefox Password Manager overview
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