Follow these steps to limit the amount of tokens used to swap or transfer.
Open your Utila extension, click the menu and select Settings.
Turn on the Token approval customization switch.
Next time a dApp asks for a token approval, the Utila extension validates the approval amount before creating the approval transaction.
Enter an amount. If you enter an amount higher than what you need now, you are effectively providing a cap so that future interactions with this smart contract won't need approval up to the defined amount.
You can select to use all available tokens.
To revoke the allowance, go to the Risks page, select the allowance approval you want to revoke, and click Revoke. For more details on Risks and revoking tokens, see Revoke token approvals.