Introducing the Blocknative Browser Extension for EIP-1559 Gas Estimation


We are pleased to announce the immediate availability of the Blocknative Ethereum Gas Estimator as a browser extension on Chrome and Brave. Now any ecosystem participant can access our industry-leading Gas Estimator right from your browser.

With full support for legacy and EIP-1559 transactions, our new browser extension makes it easy for you to access the most accurate and actionable gas estimations.

Blocknative Gas Estimator in action on Uniswap

Go hands-on with our Gas Estimator extension today and receive free updates once every 5 seconds.  Commercial Blocknative customers will receive updates once every second. After installing the extension, click on the gear icon ⚙️ in the upper right corner to enter your Blocknative API Key to update your poll rate. 


How Gas Platform works

Gas Estimator is powered by our Gas Platform API. By leveraging our real-time global mempool data platform, Gas Platform inspects all public pending Ethereum transactions and predicts the minimum gas price required for next-block confirmation. 

Go hands-on today

Download the extension to access Gas Estimator in your browser. And create a free Blocknative account to access Gas Platform through Mempool Explorer or by integrating the API into your back-end protocol, front-end Dapp, or trading bot.

And when you are ready to take your gas game to the next level, you can upgrade to a commercial plan to get faster real-time updates on the Ethereum gas fee marketplace powered by our mempool API:

Upgrade To A Commercial Plan

As always, please join our Discord Community if you have questions, concerns, or recommendations.

Most Recent

The Easy Way to Add Customizable, Real-time...


Pre-Chain Archive: Backtest Strategies, Train Models,...


Web3's Most Accurate Polygon Gas Estimator


ETH Gas Price Alerts: Always Know the Best Time to...