Turn any playlist into a clean study space. No recommendations, no comments, no autoplay. Just the videos you chose.
Free forever for 2 playlists. Available for Chrome & Edge.
You open a lecture. YouTube recommends something else. An hour later, you're watching shorts you didn't choose.
You pick the playlist. Possiber hides everything else. Your queue plays in order, no distractions, no rabbit holes.
Open a tab, see what's next. One click to resume exactly where you left off.
Possiber strips away everything that isn't your playlist. Just the lesson in front of you.
Focus timers, checkmarks, streaks. See your progress grow over days and weeks.
Every feature does one thing: keep your attention on the lesson in front of you.
Everything you need to start, track, and resume your study sessions.
Open a new tab and see what's next. One glance shows what you're studying and how much is left.
Flip the switch and the noise is gone. No settings maze. Focus is on or off, your choice.
A progress line tracks the whole playlist. Each lesson gets a checkmark when you finish it.
Close the tab, come back tomorrow. Possiber remembers your place. No hunting through a playlist.
Work in focused rounds with timed breaks. The timer runs alongside your video. Complete a session and earn coins.
Remove the noise. Keep only what you need.
The three biggest attention traps on YouTube are gone. No recommendation sidebar, no comments, no "Up next" feed. Just your video.
Finish a focus session, earn coins. The longer you focus, the more you earn. Stop early and you lose some.
See every playlist at a glance. Search all your videos, toggle progress dots, hide watched lessons, and sync with one click.
Dark and Light are free. Paper and Midnight are Pro. Pick the one that fits your study space.
Trying to leave a focus session? Type your focus phrase or solve a quick math problem. Small friction, big difference.
Need Spotify for music or Notion for notes? Add any domain to the whitelist. YouTube is always allowed.
Try to open Reddit or Twitter during focus? Possiber blocks it and redirects you back. No willpower required.
Organize, customize, and export your study workflow.
Organize playlists into folders. Physics, Chemistry, Side projects. When your library grows, collections help you find things fast. Pro feature.
Create study tasks and link them to specific videos. Check them off as you go. Your to-dos sync across devices. Pro feature.
Watch a video past 90% and it's marked done. No checkboxes, no manual tracking.
Download all your playlists, progress, and settings as JSON. Restore anytime. Move between browsers or keep a backup.
Earned enough coins? Spend them on themes and items in the Coin Shop. The more you study, the more you unlock.
No trials, no credit card to begin. Pay monthly, save with yearly, or own it for life.
| Feature | Free | Pro | Lifetime |
|---|---|---|---|
| Playlists | 2 | Unlimited | Unlimited |
| Focus mode | ✓ | ✓ | ✓ |
| Progress tracking | ✓ | ✓ | ✓ |
| Cloud sync | — | ✓ | ✓ |
| Collections | — | ✓ | ✓ |
| To-Do widget | — | ✓ | ✓ |
| Themes | 2 | All | All |
| Updates | ✓ | ✓ | Forever |
It runs on top of YouTube in your browser and strips away recommendations, comments, Shorts, and autoplay. You build playlists of the videos you want to learn from, and Possiber plays through them cleanly.
Chrome and Edge. It installs as a browser extension from each browser's store.
Email us anytime at the address in the footer and we'll help you out.
Coins are rewards for completing Pomodoro focus sessions. The longer you focus, the more you earn. A 30-minute session earns 30 coins, a 60-minute session earns 70. Stop early and you lose some.
The Dashboard is a full-screen view of all your playlists. Switch between grid and list view, search every video, toggle progress dots, hide watched lessons, and sync with YouTube.
Collections let you organize playlists into folders. Physics, Chemistry, Side projects. They help you keep things tidy when your library grows. Pro feature.
Free gives you Dark and Light. Pro adds Paper (warm cream tones) and Midnight (deep dark with neon accents). Switch anytime from Settings.
Free gives you up to 2 playlists stored locally, with the full distraction-free player. Pro ($5/month or $42/year) unlocks unlimited playlists and syncs across all your devices. Lifetime is a single $195 payment that includes Pro and all future updates.
Pro subscriptions are handled by Paddle, our payment provider. You can pay monthly or yearly. Paddle manages your invoices and payment details. We never see your card.
Cancel anytime from your account. Your subscription stays active until the end of the billing period, then drops back to free. Your playlists aren't deleted.
No. We never collect your browsing or watch history. On the free tier, your playlists live only on your device. On Pro, we store your email and subscription status, nothing more.
No. Possiber only cleans up the pages you're already viewing and plays embedded videos. It doesn't log into or read anything from your YouTube account.