Blocknative Gas Fee Estimator for Ethereum, Base, Arbitrum, and More

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Real-time gas predictions powered by AI & mempool analytics. Optimize transaction costs on Ethereum, Bitcoin, Polygon & many more.

Latest reviews

• (2025-03-31) Christopher Silvey: Love having this in my browser! Helps me to know when the gas prices have come down. P.S. If yours has stopped functioning, simply delete it and reinstall. That fixed that issue for me.
• (2025-03-10) Wilton Gorske: No login required. No BS. Just intantly available gas information. Works in Brave. Can add favorites. 10/10
• (2025-01-28) Jared Leigh: brilliant
• (2025-01-25) KD: I just downloaded this so I had an easy reference. Had no issues with the download. Fast, easy, and works great! Can't tell you how many times I was unaware of how high gas fees were and cost me way more than necessary. Will be using this tool moving forward. Not to mention the price monitor option is 100% more useful than me having to bring up TradingView or go through MFA to access my apps and check the price.. I can now access in one click.
• (2025-01-23) Callum Gladstone: Using the gas fee estimator has both saved me money and improved my transaction workflow - 100% essential for any serious crypto user.
• (2025-01-23) James Waugh: i LOVE gas
• (2025-01-23) Kaivan Sattar: Super useful in estimating gas fees! Love this extension!
• (2025-01-22) Pat O'Connor: My favortie app for gas fees. Super helpful and user friendly.
• (2025-01-22) Patrick Rivenbark: The best for gas fees. Period. Add it already.
• (2025-01-22) Sun Chen: It really saves me gas fees!
• (2025-01-22) Zack Lambert: Been looking for something like this. Works across a bunch of chains too
• (2025-01-22) Christopher Sheehan: This app cooks! I trust everything that blocknative team does, and this app is super efficient with resources and also has a pleasant, easy-to-glance interface. Well done.
• (2025-01-22) Portia Roberts: This is THE only gas estimator I use. Don't know where I'd be without it. And I'm loving that I can access all the features without logging in.
• (2025-01-22) Mike Chan: Great tool to estimate gas fees, which I do often! Thanks!
• (2025-01-21) Jared Wolf: Making onchain transactions easier since 2018
• (2025-01-21) Jeffrey vier: someone who has been using blockchains for a decade, not all gas data is created equal and blocknative simply knows gas data better.
• (2025-01-21) Gustavo Esquinca: No login required to access all features now! Awesome, super helpful info plus new chains added almost every week.
• (2025-01-21) Nikolay “Psyke” Nedkov: The best gas fee estimator!
• (2025-01-17) Victoria Tran: Love the additions of new networks!
• (2025-01-16) Adam Carpenter: Hands down the most accurate AI driven gas estimator available. Try it out and see for yourself how much you can save!!
• (2024-12-12) Noah Passalacqua: Removed the gas price icon!?
• (2024-11-14) Tse Harry: no badge after upgrade
• (2024-11-14) Tyler: accaunt needed, no chance to make it, useless. they just destroy app
• (2024-11-12) Joseph: Now requires creating an account through a tedious process with them generating the password... Plus, they broke it: the gas value no longer shows on the extension icon pinned on top. I mostly used this for only Ethereum gas prices so I've switched to Etherscan's gas tracking extension which just works and doesnt require an account
• (2024-11-11) 录音机: Could I ask why there is no date shown on chrome and can't set alarm? It used to be really good
• (2024-11-10) George Mathew: Removing the current gas price from the Chrome extension bar—brilliant move! Because who doesn’t love clicking extra times just to see the one thing this extension is supposed to make convenient? This was literally the most important feature for anyone tracking Ethereum gas prices in real time. Taking it away makes the extension far less useful. Please bring it back—unless, of course, the goal is to make people look for a better product elsewhere.
• (2024-11-09) Henri Gunawan: was happy using it, but now it doesn't show gas fee in icon. so...unuseable
• (2024-11-07) Karolis M.: used to monitor gas, not showing anymore
• (2024-11-07) Demet: it doesn't show the gas anymore after update on any berowser. deleted the extension.
• (2024-10-31) Dmytro: account needed and no more gas shown in extension bar
• (2024-10-31) 18Blackmamba18: requires account, useless.
• (2024-02-29) Kabir Ismail: Nice update and interesting
• (2023-12-03) Carriage Returned: ...It works! As expected. Awesome.
• (2023-10-31) Janine White: Very helpful indicator
• (2023-10-31) Janine White: Very helpful indicator
• (2023-08-20) Bram Willems: Easy interface with accurate gas tracker. Simple as it should
• (2023-08-20) Bram Willems: Easy interface with accurate gas tracker. Simple as it should
• (2023-07-05) William Le Roux: Great app, does what it is supose to do. Ca fait le taffe!
• (2023-07-05) William Le Roux: Great app, does what it is supose to do. Ca fait le taffe!
• (2023-02-22) DoDo: It was good for more than 1 year used..but in the last weeks it just remain blocked at certains values. I removed dozens of time, but today I decided to not use anymore
• (2023-02-22) DoDo: It was good for more than 1 year used..but in the last weeks it just remain blocked at certains values. I removed dozens of time, but today I decided to not use anymore
• (2023-02-07) 罗丹: I can't see the eth chain gas lately, please fix it as soon as possible
• (2023-02-07) 罗丹: I can't see the eth chain gas lately, please fix it as soon as possible
• (2023-02-04) Sariel Wang: I can't get the gas of Polygon, it shows the gas of ETH
• (2023-02-04) Sariel Wang: I can't get the gas of Polygon, it shows the gas of ETH
• (2022-10-13) Alex: to get alerts you need to register, yeah, that's why i download the browser extension, to make an account on a website, naaaah thanks
• (2022-10-13) Alex: to get alerts you need to register, yeah, that's why i download the browser extension, to make an account on a website, naaaah thanks
• (2022-09-07) Adam Carpenter: Best gas estimator out there supported by a super solid team
• (2022-09-07) Adam Carpenter: Best gas estimator out there supported by a super solid team
• (2022-08-17) Kim Koh: Installed this mainly to track ETH gas but for some reason, it stops functioning pretty much every day. When that happens, there's no number shown on the extension icon and when I click the extension, all the gas info is replaced with "...". Haven't found a way to fix it so far. Tried toggle the extension off and on and doesn't work. Basically, I have to wait for it to work again and it's pretty annoying. I love using Blocknative, and I hope an update will be rolled out soon to fix this issue. Otherwise I'd have to switch back to some random gas extensions made by random devs.