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Browser Setup

Arc, Vivaldi, and other Chromium browsers

Last verified: October 2026

Arc (not supported for website blocks)

Arc cannot be enforced the way Safari, Chrome, Brave, Edge or Firefox can. During an active website block, FocusDragon may close Arc rather than leave an unmonitored browser open. That is deliberate: an unenforceable browser is a way around the block.

If you rely on Arc, use Safari, Chrome, Brave, Edge or Firefox for sessions you need blocked — or add Arc itself as a blocked app for that block.

The same "close rather than leave open" treatment applies to Tor Browser, DuckDuckGo Browser, Orion and similar browsers FocusDragon cannot inspect.

Vivaldi

  • 1. Open Vivaldi.
  • 2. Navigate to the FocusDragon listing on the Chrome Web Store.
  • 3. Click "Add to Vivaldi". Confirm permissions.
  • 4. Open vivaldi://extensions → FocusDragon → Details → "Site access" → "On all sites".
  • 5. Pin via the puzzle-piece icon in the toolbar.

Vivaldi has its own "Tracker and Ad Blocker" — unlike Brave Shields, it does not interfere with extension content scripts in any version we've tested. No tweaks needed.

Opera

Opera ships with its own extension store and treats the Chrome Web Store as a third-party source. You need to install a small bridge extension first.

  • 1. Open Opera.
  • 2. Install the "Install Chrome Extensions" add-on from the Opera Add-ons store. (Yes, it's an extension whose only job is to let you install other extensions.)
  • 3. Navigate to the FocusDragon Chrome Web Store listing.
  • 4. Click "Add to Opera". Confirm.
  • 5. opera://extensions → FocusDragon → Details → "Site access" → "On all sites".

Any other Chromium browser

If your browser is Chromium-based (Sidekick, Comet, SigmaOS, Wavebox, Thorium, Ungoogled Chromium, etc.) the general recipe is the same: find the equivalent of chrome://extensions, install from the Chrome Web Store (sometimes via a bridge extension), then set site access to "On all sites". If you can't install Chrome Web Store extensions at all in your browser, FocusDragon's URL-level blocking won't work there — fall back to DNS-level blocking and consider blocking the browser app itself at the macOS app level.

Still stuck? Contact support