Sirius

All-in-one productivity extension with a Pomodoro timer, ad blocker, cookie blocker, site blocker, relaxing music player, and more.

Sirius — Your Unified Focus Workspace Transform your browser into a distraction-free, high-performance work environment. Sirius brings together the essential tools you need to stay focused, without bouncing between tabs or installing multiple extensions. ─────────────────────────────────────── WHAT'S INSIDE ─────────────────────────────────────── ⏱ Pomodoro Timer A background-persistent Pomodoro timer that keeps running even when the popup is closed. Alternate between focused work sessions and short breaks. Use the keyboard shortcut Ctrl+Shift+9 (Cmd+Shift+9 on Mac) to jump straight into a session. ✅ To-Do List Add, organise, and manage tasks with folder support. Your tasks persist locally across browser sessions — no account required. Jump to it instantly with Ctrl+Shift+0 (Cmd+Shift+0 on Mac). 🚫 Site Blocker Add any distracting website to your personal blacklist. Once added, Sirius replaces the page with a clean focus overlay so you stay on track. Works with any domain you specify. 📝 Notepad A rich-text notepad with bold, italic, underline, bullet and numbered list support, pinning, and multiple visual themes. Export any note as Markdown with one click. Access it with Ctrl+Shift+8 (Cmd+Shift+8 on Mac). 🎲 Task Randomiser Beat decision paralysis. Add your tasks, tag them by energy level and time required, then roll the dice to get a random task matched to your current state. Tracks your streak and reliability score. 🔁 Habit Tracker Set up daily habits and get browser notifications at the times you choose to keep your routines on track. 🎵 Music Player A built-in ambient music player with tracks designed for focus, creativity, memory retention, stress relief, and motivation. Plays in its own lightweight popup window so it never gets in your way. 🛡️ Ad Blocker (optional) Toggle optional ad filtering rules on or off at any time. Uses Chrome's built-in declarativeNetRequest API — no browsing data is ever read or transmitted. ─────────────────────────────────────── PRIVACY-FIRST DESIGN ─────────────────────────────────────── All your data — tasks, notes, habits, and settings — is stored locally on your device using Chrome's built-in storage API. Sirius does not collect, transmit, or sell any personal data or browsing history. No account is required to use any core feature. ─────────────────────────────────────── PREMIUM (OPTIONAL) ─────────────────────────────────────── A one-time optional upgrade unlocks Notion workspace integration, allowing you to sync your tasks and projects with a dedicated Notion template.