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

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

The Blocknative Gas Fee Estimator provides real-time, multichain gas price predictions powered by advanced AI and machine learning models. It supports over 40 leading crypto networks including Ethereum, Bitcoin, Arbitrum, Avalanche, Binance Smart Chain, and Polygon, helping users optimize transaction costs by delivering precise gas estimates for both legacy and EIP-1559 transactions.

With a developer-friendly API and onchain gas oracles, the estimator leverages global mempool analytics and predictive models to enhance transaction success rates and reliability, even during network congestion. Regular network updates and dedicated documentation make it an essential tool for developers and users seeking intelligent, cost-efficient crypto transaction management.

ChatbotsPlace

Explore AI Models & Image Generators

Looking to experiment with different AI models like ChatGPT, Claude, Grok, Gemini, and DeepSeek? Avoid the expense of multiple subscriptions! ChatbotsPlace.com gives you access to a diverse range of leading AIs all under one affordable plan, letting you explore and find the best model for your needs without breaking the bank.

Chat with 20+ AI models
Generate images with GPT-4o, DALL-E, Imagen, and Stable Diffusion
Try ChatbotsPlace

User reviews

Users generally loved the Blocknative Gas Fee Estimator for its accuracy, ease of use, multi-chain support, and helpful gas fee monitoring without login requirements. However, recent updates forced account creation, removed the convenient real-time gas price icon display, and disabled alerts, leading to significant user dissatisfaction. Many users found these changes made the extension less useful or unusable, prompting some to switch to alternatives. The extension's core utility in saving gas fees remains appreciated, but the recent design and access changes have been heavily criticized.
Pros
  • No login required to access features (noted positively before recent updates).
  • Accurate and reliable gas fee estimation, helping users save money.
  • Supports multiple blockchains beyond Ethereum, including new networks added frequently.
  • User-friendly, fast, and easy to use interface, praised for convenience.
  • Helpful price monitoring and gas fee alert features.
Cons
  • Recent updates removed gas price display from the extension icon/badge, causing inconvenience.
  • Now requires creating an account with a cumbersome process, negatively impacting usability.
  • Alert features were removed or reduced in functionality according to users.
  • Extension functionality degraded after recent update, with critical features requiring login or being hidden.
  • Users report extension stopped working properly or became unusable post-update.
Recent reviews
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.
by Ch*****, 2025-03-31

No login required. No BS. Just intantly available gas information. Works in Brave. Can add favorites. 10/10
by Wi*****, 2025-03-10

brilliant
by Ja*****, 2025-01-28
View all user reviews ›

Extension safety

Risk impact

Blocknative Gas Fee Estimator for Ethereum, Base, Arbitrum, and More does not require any sensitive permissions.

Risk impact analysis details
    Risk likelihood

    Blocknative Gas Fee Estimator for Ethereum, Base, Arbitrum, and More has earned a fairly good reputation and likely can be trusted.

    Risk likelihood analysis details
    • High This extension has low user count. Unpopular extensions may not be stable or safe.
    • Medium **** ********* *** ******* ** *** **** * ******* *** ******* *** *** ** ****** ** *****
    • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
    • Good **** ********* ** ****** ** ********
    • Good **** ********* *** **** **** *******
    Upgrade to see full risk analysis details

    Promo images

    Blocknative Gas Fee Estimator for Ethereum, Base, Arbitrum, and More marquee promo image
    Marquee promo image
    Small promo image

    Compare extensions

    Similar extensions

    Here are some Chrome extensions that are similar to Blocknative Gas Fee Estimator for Ethereum, Base, Arbitrum, and More:

    Popular extensions / apps

    Here are some popular extensions / apps that you might be interested in: