If you’re looking to add your 🌈 Rainbow wallet to your 🦊 MetaMask wallet, this article is for you! We’ll break this into two sections as each scenario has a different import method:
Starting fresh with MetaMask:
Step 1: If you're starting fresh with MetaMask, you'll be able to import your Rainbow secret phrase on the initial MetaMask welcome screen by choosing "No, I already have a seed phrase":
Starting with an existing MetaMask account:
Currently, MetaMask does not make it easy to add multiple seed phrases into one account. The only way to add a new seed phrase is to create a new MetaMask account.
Step 1: If you want to replace your current MetaMask wallet. You'll need to make sure you have your existing MetaMask account and private keys backed up and then remove it from your browser so that you can start fresh.
Step 2: Then, you'll be able to choose the "No, I already have a seed phrase" option.
Step 3: From here you'll setup a new MetaMask account with your Rainbow wallet's secret phrase. After this is done, you could then import your original MetaMask's private keys into this new account if you wish to have them all in one place.