Tools / All-in cost

L2Fees Monitor — Compare Gas Costs Across All Layer 2s

Stop overpaying for Ethereum scaling. Use L2Fees.info to find the most efficient network for your next swap, bridge, or DeFi interaction in real-time.

Check L2 Fees →

Official website: l2fees.info

What is L2Fees.info?

L2Fees.info is a specialized benchmarking tool designed to showcase the cost difference between Ethereum Mainnet and various Layer 2 scaling solutions like Arbitrum, Optimism, and zkSync.

It tracks live network conditions to estimate the cost of sending ETH and swapping tokens, providing a clear visual guide for users looking to minimize their on-chain overhead.

Core Capabilities

✓Real-time USD cost estimates for sending ETH on L2s
✓Comparison of token swap costs (e.g. Uniswap) across networks
✓Support for major L2s: Arbitrum, Optimism, Base, Loopring, etc.
✓Data on 'next-gen' L2s like zkSync Era and Starknet
✓Side-by-side comparison with Ethereum L1 for perspective

Important Reminders

✕Does not execute bridges or swaps directly

✕Costs are estimates based on standard contract interactions

✕Complex DeFi strategies may incur higher fees than shown

✕Does not account for L2-to-L1 withdrawal time or liquidity

Who is it for?

DeFi Farmers

Users looking for the cheapest place to stake, lend, or provide liquidity.

Active Bridge-Hoppers

Traders who frequently move capital between L2 ecosystems.

Retail Users

Anyone wanting to avoid the high gas costs of Ethereum Mainnet.

How to Optimize L2 Moves

Open L2Fees before starting your on-chain journey

Compare the 'Send ETH' cost to see which network is currently lowest

Check the 'Swap Tokens' cost if you plan to use a DEX

Identify networks with high 'Call Data' costs to avoid large trades

Use the data to choose your primary L2 for frequent activity

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