
On August 11th, 2021 Twitter released “new changes to the way Twitter looks on the web and on your phone.” One of these changes it that they switched to a typeset, or font called Chirp and some users may want to change this on their web browser or mobile device. So, here are instructions to disable the Chirp font used by Twitter on your web browser or phone.
Notice anything different?
Today, we released a few changes to the way Twitter looks on the web and on your phone. While it might feel weird at first, these updates make us more accessible, unique, and focused on you and what you’re talking about.
Let’s take a deeper look. ? pic.twitter.com/vCUomsgCNA
— Twitter Design (@TwitterDesign) August 11, 2021
These are instructions to disable Chirp for multiple internet browsers including Chrome, Firefox, Internet Explorer, Edge, Brave, Safari, and Opera.
here's how to disable the new font on web browser! open the JS console (https://t.co/Z1fZeGLlws), and paste in THIS TEXT:
document.cookie="ab_decider=responsive_web_chirp_font_enabled=false"
then press enter and reload
— Twilight Sparkle (@yourcompanionAI) August 11, 2021
Chirp is a new typeface, or font, used created for and used by Twitter on the web and mobile devices. It can be changed in the JavaScript console by implementing a line of code.
Mobile Web Browser
1. Copy and paste the text below into the URL bar when visiting Twitter:
- javascript:document.cookie=%22ab_decider=responsive_web_chirp_font_enabled=false%22
Chrome
1. Visit Twitter in Chrome and open the “Console” panel of Chrome’s DevTools:
- Windows and Linux: Ctrl + Shift + J
- Mac OS: Cmd + Opt + J

2. Copy and paste document.cookie="ab_decider=responsive_web_chirp_font_enabled=false" in the text field, press enter, and refresh the page.
Firefox
1. Visit Twitter in Firefox and open the “Console” panel of Firefox’s Developer Tools:
- Windows and Linux: Ctrl + Shift + K
- Mac OS: Cmd + Opt + K
2. Copy and paste document.cookie="ab_decider=responsive_web_chirp_font_enabled=false" in the text field, press enter, and refresh the page.
Internet Explorer/Edge
1. Visit Twitter in Internet Explorer and open the “Console” panel of Internet Explorer’s F12 Developer Tools:
- F12 then, click on the “Console” tab
2. Copy and paste document.cookie="ab_decider=responsive_web_chirp_font_enabled=false" in the text field, press enter, and refresh the page.
Brave
1. Visit Twitter in Brave Browser and open the “Console” panel of Brave’s DevTools:
- Windows and Linux: Ctrl + Shift + J
- Mac OS: Cmd + Opt + J
2. Copy and paste document.cookie="ab_decider=responsive_web_chirp_font_enabled=false" in the text field, press enter, and refresh the page.
Safari
1. Visit Twitter in Chrome and open the “Console” panel of Safari’s Web Instructor:
- Cmd + Opt + C
2. Copy and paste document.cookie="ab_decider=responsive_web_chirp_font_enabled=false" in the text field, press enter, and refresh the page.
Opera
1. Visit Twitter in Opera and open the “Console” panel of Opera’s Tools:
- Windows and Linux: Ctrl + Shift + I
- Mac OS: ⌘+⌥+I
2. Copy and paste document.cookie="ab_decider=responsive_web_chirp_font_enabled=false" in the text field, press enter, and refresh the page.
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Sean Doyle
Sean is a tech author and security researcher with more than 20 years of experience in cybersecurity, privacy, malware analysis, analytics, and online marketing. He focuses on clear reporting, deep technical investigation, and practical guidance that helps readers stay safe in a fast-moving digital landscape. His work continues to appear in respected publications, including articles written for Private Internet Access. Through Botcrawl and his ongoing cybersecurity coverage, Sean provides trusted insights on data breaches, malware threats, and online safety for individuals and businesses worldwide.






