Update: CF Stopwatch is now on Firefox Add-ons!
Quick but exciting update — CF Stopwatch is officially available on Firefox Add-ons!
If Firefox is your browser of choice, you can now install it directly and use it seamlessly during your Codeforces practice sessions — no workarounds, no friction.
Firefox Add-on: https://addons.mozilla.org/en-US/firefox/addon/cf-stopwatch/
Huge thanks for all the support on the original post — it genuinely motivated this release. If you run into any issues or have feature ideas, drop them in the comments. Every suggestion helps shape what comes next.
Buddy, great Extension! Add a Stop option too, it will be more useful
Glad that you found it useful,I will consider adding stop option in next version :)