Track upcoming coding contests from Codeforces, AtCoder, LeetCode, CodeChef and more
Users
122
+54 in 30 days
Rating
4.7 / 5
unchanged in 30 days
Ratings
40
0 in 30 days
Store rank
#78K
#66K among extensions
Version
1.2.0
updated 21 Jan 2026
Users
monthly, 10 months
Latest, 18 Oct 2026:122 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 18 Oct 2026:40 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About AlgoRadar
Never Miss a Coding Contest Again!
AlgoRadar is a lightweight Chrome extension that helps competitive programmers never miss a coding contest. Track upcoming contests from Codeforces, AtCoder, LeetCode, and CodeChef in one clean, fast interface.
➤ What it does
• Filter contests by platform and time (Today, This Week, This Month, All)
• Shows up to 20 upcoming contests per platform
• Accurate live countdown timers
• Contest times automatically adapt to your local timezone
➤ Performance
• Auto refresh every 20 minutes
• Smart caching for faster loading
• Works offline using cached data
➤ Privacy first
• No ads
• No tracking or analytics
• Free and open source
➤ Open Source :
https://github.com/nilanshucodes/algoradar-extension
Built for Codeforces grinders, AtCoder regulars, and anyone serious about competitive programming — minus the clutter.