Follow the below steps to export passwords from Bitwarden and import into Locker.
Export from Bitwarden
Web Vault
Go to Tools
In the top navigation bar, click Tools.
Export Vault
Click Export Vault from the menu.
Choose a file format
Choose a file format you want to export the data (.json, .csv, .json (Encrypted)).
Enter Master Password
Enter your Master Password to validate the attempt.
Complete export
Click Export Vault again to complete the export.
Extension
Open the Bitwarden extension
Click on the Bitwarden extension icon and open the Settings tab.
Export Vault
Scroll to the Tools section and click Export Vault.
Choose a file format
Choose a file format to export the data (.json, .csv, .json (Encrypted)).
Enter Master Password
Enter your Master Password and select Submit.
Mobile Devices
Open Settings
Tap Settings.
Export Vault
Scroll to the Tools section and tap Export Vault.
Choose a file format
Choose a file format to export the data (.json, .csv, .json (Encrypted)).
Enter Master Password
Enter your Master Password and select Submit.
Import to Locker
Web Vault
Open Locker
Open Locker on your browser.
Navigate to Import/Export
Select Settings > Import/Export.
Scroll to Import section
Scroll down to the Import section.
Select format
Select the format of the import file from the drop-down menu.
Upload the file
Click Choose File and upload the import file on your device, or paste the import file contents in the blank section below.
Mobile Devices
Open Locker app
Open the Locker app.
Navigate to Import Data
Tap Menu > Settings > Import Data.
Select format
Tap Format to select the right format of your import file.
Select file
Tap Select File to upload the import file to the system.
After successful import, you should delete the data export file in your local storage to ensure your data is safe in case your computer or phone is compromised.
Remove Bitwarden from your browser
After you’ve imported your data, you’re ready to use Locker to manage your digital vault. Make sure to turn off or remove apps and extensions for any other password managers in the browsers that you use. 
