Base

Base swaps

Pay ETH on Base and receive USD Coin (USDC) on Base.

Keep ETH on Base for gas. Enter an amount to compare quotes, then connect your wallet to review and sign.

Token guides for Base

Swap

Slippage
You pay
Base
You receive
Base
Enter an amount to find the best route.

Selected tokens and networks

ETH on Base to USDC on Base

Both tokens in this selection are on Base (chain ID 8453). It does not require a transfer to another network. Changing a token or network in the swap box changes the route.

You pay

Ether (ETH)

Base · 18 decimals

Native ETH; no token contract.

You receive

USD Coin (USDC)

Base · 6 decimals

Token contract on Base0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
Gas and approvals
Keep ETH on Base for network fees. ETH is the native asset here, so spending it does not need an ERC-20 approval. Leave some behind for gas.
Compare an executable quote
Disconnected previews request current provider quotes but cannot be signed. Reference-price tables are separate from those quotes. Connect your wallet to get transaction details for your address. Review the provider, fees, recipient and minimum received for your amount before signing.

How to review a swap · Swap and bridge risks · How routes and fees are compared

Bridge to and from Base

Swap guides involving Base

Browse 57 catalog tokens on Base

A catalog entry identifies a token; quote availability depends on the amount and provider. Check the contract in the token guide.

FAQ

Swapping on Base — FAQ

Which token pays gas on Base?

ETH pays network fees on Base (chain ID 8453). Keep some available for approvals and swaps even when trading a stablecoin or another token.

How do I check that my tokens are on Base?

Check the network in your wallet and look up the token contract on https://basescan.org. An identical wallet address or token symbol on another chain does not mean the balances are shared.

Does a swap on Base require a bridge?

If both selected tokens are on Base, the swap stays on that network. Selecting an input or output on another network requires a cross-chain route. Review the destination network and minimum received before signing.