Shieldz
Swap Arbitrum ETH to Base
Swap ETH on Arbitrum to ETH on Base straight from your own wallet: no exchange account, no wrapped tokens, and no one holding your funds in between. Shieldz asks Relay and NEAR Intents for a price at the same moment and shows you every route before you sign.
What 0.42 ETH on Arbitrum gets you
Quoted October 19, 2026. Updates live while this page is open.
| Route | You receive | Worth | Time | |
|---|---|---|---|---|
| Relay | 0.419062 ETH | $1,006 | a few seconds | Picked |
| NEAR Intents | 0.418697 ETH | $1,005 | about 27 seconds |
All routes asked at the same second. The router picks on what you receive after every fee, discounted slightly for each minute a route takes to settle; every route stays visible in the app.
How to swap Arbitrum ETH to Base
- Open Shieldz Swap and choose ETH on Arbitrum as the coin you pay and ETH on Base as the coin you get.
- Enter an amount. Relay and NEAR Intents quote it at the same moment, with the amount you receive and the time it takes.
- Paste the Base address you want to receive at, or connect a Base wallet and pick one.
- Review the minimum you receive and the fees, then send from Ledger, Trezor, Keystone and MetaMask. Shieldz tracks the swap until it lands.
What it costs
On this quote, $1,008 of ETH on Arbitrum became $1,006 of ETH on Base: about $2.25, or 0.22%, for everything taken out on the way. That includes the 0.15% Shieldz fee, the protocol's own fees and the gas to deliver to you. The network fee your wallet pays to send is extra.
MetaMask's built-in swap charges 0.875% and Phantom's 0.85% before any of that. Compare on your own amount.
Gas on Arbitrum is paid in ETH. If you're arriving with a stablecoin, swap a little into ETH on Arbitrum first so you can move funds later.
Pay ETH on Arbitrum with
Receive at any Base address you control. More on Arbitrum and Base.
Arbitrum ETH to Base: common questions
How do I swap Arbitrum ETH to Base?
Open Shieldz Swap with ETH on Arbitrum as the coin you pay and ETH on Base as the coin you get, enter an amount and paste the Base address you want to receive at. Then send from Ledger, Trezor, Keystone, MetaMask and Phantom or another supported wallet. The protocol delivers ETH on Base straight to your address.
How long does a Arbitrum ETH to Base swap take?
The fastest route quoted today takes a few seconds. Every quote shows its expected time before you send.
How much does it cost?
On the $1,008 quote above, about $2.25 (0.22%) in total: the 0.15% Shieldz fee, the protocol's own fees and the gas to deliver to you, all already taken out of the amount shown. The network fee your wallet pays to send comes on top.
Is it safe? Do I need an account?
There is no account and no KYC. Shieldz never holds your funds or keys: you send ETH on Arbitrum from your own wallet to a deposit address or contract of the protocol, and the protocol pays ETH on Base to your address. If a swap cannot complete, it is refunded to the address you paid from.
Can I swap Base ETH to Arbitrum too?
Yes. The reverse swap has its own page with live routes: Base ETH to Arbitrum.
