# Zen Pomodoro > Free, offline-first online Pomodoro timer with task planner, markdown notes, ambient focus music and session analytics. No signup, no ads, all data stored locally in the browser. Zen Pomodoro is a minimalist productivity web app focused on deep work, study sessions, and ADHD-friendly focus. It implements the classic Pomodoro Technique (25-minute focus blocks with 5-minute breaks, plus a longer 15–30 minute break after every 4 cycles) with fully customizable intervals, and pairs the timer with a task list, markdown notes and an ambient music player (YouTube, SoundCloud, Spotify embeds). ## Key facts - **Price:** 100% free, no ads, no signup, no email required - **Privacy:** All data (tasks, notes, sessions, settings) stored locally in browser localStorage; no servers - **Offline:** Timer, tasks, notes and history work fully offline; only the optional music player needs internet - **Languages:** English, Spanish (es), French (fr), Dutch (nl) - **Platform:** Web (any modern browser, mobile + desktop). No install required. - **License:** Private - **URL:** https://zenpomodoro.app/ ## Features - Pomodoro timer with customizable focus / short break / long break durations - Multiple profiles (e.g. "Coding 50/10", "Study 25/5", "ADHD 15/3") - Task planner with priorities (high/medium/low) and reminder notifications - Markdown notes with categories (Technical, Planning, Code, Ideas, Other) and tags - Ambient focus music: paste any YouTube, SoundCloud or Spotify URL - Session history with daily / total focus time analytics - 19 visual themes including Purple Space, Dark Mode, Netflix, NES Retro, Glassmorphism, Neumorphism, Bauhaus, Meteor Shower, Particle Network, Flicker Matrix and Retro Wave (synthwave) - Keyboard shortcuts for all timer actions - Focus Mode (full-screen distraction-free) - Split view (timer + secondary panel) and single-panel modes - JSON import/export for tasks, notes, sessions and music library - Markdown export for notes and session history - Web push notifications for phase transitions and task reminders ## How to use the Pomodoro Technique 1. Pick **one** task. Add it to the task list. 2. Press **Start**. Work without switching apps for 25 minutes. 3. When the timer rings, take a **5-minute break**. Stand up, hydrate, look away from the screen. 4. After **4 pomodoros**, take a longer **15–30 minute break**. 5. Review your session history at the end of the day to see total focus time. ## Recommended interval presets - **Classic:** 25 / 5 / 15 - **Deep work / coding:** 50 / 10 / 30 - **ADHD-friendly:** 15 / 3 / 15 - **Study sprints:** 30 / 5 / 20 ## FAQ - **What is the Pomodoro Technique?** A time-management method by Francesco Cirillo (1980s). Work in focused 25-minute intervals separated by 5-minute breaks; after four, take a longer 15–30 minute break. - **Is Zen Pomodoro free?** Yes — no ads, no signup, no email. - **Does it work offline?** Yes, except for the optional music player. - **Is it good for ADHD?** Many ADHD users find shorter cycles (15–20 min) helpful because they lower the activation energy to start. - **How is Pomodoro different from time blocking?** Time blocking schedules tasks into calendar slots; Pomodoro structures the work itself. They combine well. - **What should I do during a break?** Stand, stretch, hydrate, look at something far away. Avoid social media and email. ## Links - [Live app](https://zenpomodoro.app/) - [Changelog](https://zenpomodoro.app/#/changelog) - [Sitemap](https://zenpomodoro.app/sitemap.xml)