Frequently Asked Questions

CodeDaily is a coding practice platform with 2,300+ DSA problems, structured learning courses, an online compiler supporting 22 languages, and weekly coding contests.

Yes. All problems, the compiler, contests, and first chapters of every course are completely free. You earn credits through activity to unlock premium content.

You can browse problems and use the compiler without an account. An account is needed to submit solutions, track progress, join contests, and earn credits.

We support 22 languages including Python, JavaScript, Java, C++, TypeScript, Go, Rust, Kotlin, Swift, Ruby, C#, and more.

Sign up (+1,000), solve problems (+20 each), daily login (+5), streaks (+10 to +100), and contest participation (+50 to +750 for winners).

Unlock solution code (25 credits, 30-day access) and lesson chapters (5 credits, permanent access).

No. Your credits never expire. Solution unlocks last 30 days, but chapter unlocks are permanent.

Yes. Active users earn 100+ credits per week. Most content can be unlocked through regular activity.

You can still solve all problems, use the compiler, and join contests. Credits are only for unlocking solutions and premium chapters.

Every week we host a 90-minute contest with 4-5 problems. Register beforehand, solve during the window, and compete on the leaderboard.

1st place: 750 credits, 2nd: 550, 3rd: 350. All participants who submit at least one solution get 50 credits.

Yes. You can solve contest problems in any of our supported languages.

By total score (sum of points for solved problems), then by total solve time as a tiebreaker.

Go to Profile > Settings and click "Delete Account". This permanently removes all your data, submissions, and credits.

Usernames are set during signup and cannot be changed. Choose carefully.

Use the "Forgot Password" link on the login page. We will send a reset link to your email.