UA Labs

View, edit, and manage localStorage and sessionStorage for any website.

Highlight any text on the web and save it instantly. Sync across devices. 10 free quotes to start.

Ultimate invisible email tracker for Gmail. 100% stealth, zero branding, no signatures. Track opens without recipients knowing.

Know exactly how long before you read. Smart reading time estimates, progress tracking, and personalized reading analytics.

Control video playback speed on any website. YouTube, Netflix, Coursera & more. Per-site presets, shortcuts, cloud sync.