To send your ETH from Ethereum (L1) to Arbitrum (L2), follow the steps:

  1. Connect your MetaMask, and go to https://bridge.arbitrum.io/. The screen below will appear:

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  1. Enter the amount of ETH you want to add on Arbitrum and click “Move funds to Mainnet.”
  2. Next, you will have to confirm the transaction in your wallet. Even though this transaction is executed on layer 1, the Arbitrum lower gas fees will apply.
  3. Once you’re happy with the amount, click “Confirm.”
  4. The transaction will now appear as “pending” at the bottom of the screen on the next page.
  5. Once the transaction is successful, you will have ETH on Arbitrum