Automate your competitive programming schedule with ContestSync. This tool seamlessly syncs contests from popular platforms like AtCoder, Codeforces, CodeChef, and LeetCode directly to your Google Calendar, ensuring you never miss an event.

• Effortless Setup: Connect your Google account with a simple 1-click OAuth process.
• Broad Platform Support: Integrates with LeetCode (Weekly + Biweekly), Codeforces (Rounds), CodeChef (Monthly Long + Starters), AtCoder (ABC / ARC / AGC series), HackerRank (Weekly Challenges), GeeksforGeeks (Weekly Contests), and Code360 (Weekly Contests).
• Timezone Accuracy: Fetches contest times in UTC and automatically converts them to your local timezone, eliminating manual conversion errors.
• Daily Auto-Sync: New contests are automatically fetched and added to your calendar daily.
• Free & Open Source: ContestSync is completely free to use, with no ads or data selling. It is community-driven and open source.
• Privacy Focused: Only requests permission to create events in your Google Calendar and does not access any other personal data.
• Simple Workflow: Connect Google, select your preferred platforms, and let ContestSync handle the rest.

Focus on your coding challenges, not on tracking schedules. ContestSync provides a centralized, automated solution for competitive programmers.