ForeCode — Predict your LeetCode rating before it's official

One Popup, Full Picture

All your contest insights in one popup.

Track pending contests, predicted ratings, and rating changes instantly — right where you already check your LeetCode profile.

Pending Detection

Know as soon as a contest ends.

Predicted Rating Delta

See expected changes instantly.

Contest History

Past contests with real & predicted data.

Why ForeCode

Built for competitive programmers

Every feature exists to answer one question the moment a contest ends: where does my rating land?

Instant Prediction

Know your rating change as soon as the contest ends — no waiting for LeetCode's official update.

Profile Integration

Predictions are seamlessly injected right into your existing LeetCode profile page.

Privacy First

No tracking. No storage. Just predictions, computed and shown, then forgotten.

Pending Detection

ForeCode watches for contest completion and flags pending results automatically.

Predicted Rating Delta

See the exact expected change in your rating the instant results are calculated.

Contest History

Browse every past contest side-by-side with real vs. predicted outcomes.

Privacy

Your data never leaves your browser.

ForeCode is built on a simple principle: predictions shouldn't cost you your privacy. No accounts, no analytics, no third-party servers holding on to your contest history.

Read Full Privacy Policy

No tracking, ever

ForeCode doesn't run analytics, cookies, or fingerprinting scripts of any kind.

Nothing is stored

Predictions are computed on the fly and never written to a database.

No account required

Install the extension and it works — no sign-up, no email, no password.

Open source

Every line of code is public on GitHub — verify exactly what runs on your machine.

Ready to know before it's official?

Free, private, and installed in under 10 seconds.

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