4 ms·Most of us read it on our mobile devices. You can't clear the cookies on your device.by perseusprime11 8y agoMost of us read it on our mobile devices. You can't clear the cookies on your device.rozenmd 8y agoSure you can. Tap the lock next to the URL, tap on 'SITE SETTINGS', then tap on 'CLEAR & RESET'.Larrikin 8y agoThere's a prominent option in Firefox.