To be honest, it’s not exactly working. When you use fingerprint randomization on Firefox, it shows that it differs, yet won’t write straightforwardly that you are done with that. Instead, it says I do not have that randomization. It works only with Brave. Personally, I use Brave when Blink engine is required and Firefox as a daily driver.
They have a unique fingerprint tester which I use often https://coveryourtracks.eff.org
To be honest, it’s not exactly working. When you use fingerprint randomization on Firefox, it shows that it differs, yet won’t write straightforwardly that you are done with that. Instead, it says I do not have that randomization. It works only with Brave. Personally, I use Brave when Blink engine is required and Firefox as a daily driver.
creep.js and fingerprint.com are also good tools.