Categories

Choose what to block or allow. Your feed, your rules.

Filter mode Block specific categories, or allow only selected ones.
Content in checked categories will be filtered from your feed.

Custom Rules

Block or allow content matching your own keywords.

Blocked creators / channels

Hide posts by identity (not keywords). Paste a profile/channel URL, @handle, YouTube UC… id, or r/subreddit. Stored locally with your other settings.

Focus Schedule

Block distracting content during your work hours automatically.

Focus Mode

Filter feeds during scheduled hours.

Block everything

Block all social media feeds during focus hours.

Allow during focus hours:

Anti-Doomscroll

Enable warnings

Show a break reminder after extended scrolling.

Total scrolling time across sessions before a break reminder.

Platforms

Enable or disable Prism on specific platforms.

Analytics

Local only — filter counts and rough tab time on this device. Not uploaded. Not OS screen time.

0 Total filtered
0 Filtered today
0h Tab time (local)

Filtered by category

Tab time by platform (local)

General

Display and behavior settings.

Display mode for filtered content

Show category labels

Always show category + reason badges on blur/dim modes.

YouTube layout (structural)

Hide feed shelves by DOM shape — not keywords. Desktop web is the supported path; Shorts / mobile layouts are best-effort. Refresh the tab after toggling.

Hide Shorts

Shorts shelves plus inline Shorts cards in the main grid (/shorts/ links, reel renderers).

Hide ads & paid promos

In-feed ad slots, promoted cards, and rows with Paid promotion / Sponsored badges.

Hide Movies & TV row

Paid movie tiles (ytd-rich-grid-media / ytd-movie-renderer).

Backup settings

Export moods, categories, custom rules, blocked & gem creators, YouTube structural toggles, platforms, and display prefs as JSON. Does not include your Pro license (device-local — paste token separately on a new profile).

Keyboard shortcuts

Defaults (change in browser extension shortcut settings):

  • Alt+Shift+P — toggle Prism on/off
  • Alt+Shift+O — open Options

Chrome: chrome://extensions/shortcuts · Firefox: Add-ons Manager → gear → Manage Extension Shortcuts

Pro Plan

Unlock all 7 platforms. Focus Mode and local filter counts are included on Free for YouTube.

License is device-local (this browser profile only). Moods and filter rules may sync via browser sync; the Pro token does not. New computer / fresh profile = paste your token again from the checkout success page, or re-open checkout success if you still have the session.

Activate Pro

Best flow: install Prism → checkout → auto-activate. If you paid first, paste the license token below. Checkout session IDs are one-time and not accepted here.

Help

Install / FAQ · Support form

Filtering stopped on a site? Report a selector break — we patch DOMs in point releases.

Settings saved