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How to Disable Experimental QUIC Protocol (Chrome, Edge, Firefox, and Opera)

Lim How Wei
August 18, 2024

QUIC (Quick UDP Internet Connections) is a transport layer network protocol.

It’s used in browsers like Chrome to improve web performance and security.

It does this by combining the low-latency benefits of UDP with the reliability features of TCP.

This allows faster connection establishment and better handling of network congestion.

In this guide, you’ll learn how to disable the Experimental QUIC Protocol on Chrome, Edge, Firefox, and Opera.

Disable QUIC Protocol on Chrome

  1. Type “chrome://flags/” (without quotation marks) on the Chrome address bar and press Enter.
  2. Search for “Experimental QUIC protocol”.
  3. Change the option to “Disabled”.
  4. Select “Relaunch” to apply the changes.

Disable QUIC Protocol on Edge

  1. Type “edge://flags” (without quotation marks) on the Edge address bar and press Enter.
  2. Search for “Experimental QUIC protocol”.
  3. Change the option to “Disabled”.
  4. Select “Restart” to apply the changes.

Disable QUIC Protocol on Firefox

  1. Type “about:config” (without quotation marks) on the Firefox address bar and press Enter.
  2. Select “Accept the Risk and Continue”.
  3. Search for “network.http.http3.enabled”.
  4. Double-click the “network.http.http3.enabled” preference to set its value to False.
  5. Restart the Firefox browser to apply the changes.

Disable QUIC Protocol on Opera

  1. Type “opera://flags” (without quotation marks) on the Opera address bar and press Enter.
  2. Search for “Experimental QUIC protocol”.
  3. Change the option to “Disabled”.
  4. Restart the Opera browser to apply the changes.

Further reading

How to Fix “Windows protected your PC” Pop Up

How to Fix “Error downloading the file content” in Outlook

How to Fix Microphone too Quiet in OBS

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About the author

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Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.