The Modern Codeforces Companion • Fast & Seamless

Unlock Your True Potential on Codeforces.

Elevate your competitive programming workflow. Enjoy Monaco editor with VIM mode, custom testcase execution, word-based auto suggestions, and upgrade to Ilmenite Plus for effortless real-time multi-device cloud synchronization.

Upgrade to Plus Explore Features

Cancel anytime • 100% contest legal • Instant activation

Cloud Sync Active

Monaco & VIM Mode

5/5 Custom Testcases

Word-Based Auto Suggestions

1-Click Code Formatter

Eye Comfort Amber Shield

Ilmenite Codeforces Extension in Live Action

10,000+ Problems Solved with Ilmenite

C++ • Py • Java Multi-Language Ready

1-Click Run & Submit Shortcuts

5.0 Chrome Store Rating

Feature Highlights

Engineered for Competitive Dominance

Every millisecond counts on the leaderboard. Ilmenite gives you the seamless competitive edge.

Advanced Appearance & Eye Comfort

Take full control of your viewing experience. Fine-tune brightness, dial in high-contrast mode, and enable the amber eye comfort shield for intense late-night contest rounds.

Multi-level background shade adjustment
Blue-light filter eye protection shield
Real-time preview with zero reload latency

Instant Code Snippets Hub

Stop rewriting standard algorithms. Store and instantly insert Segment Trees, DSU, Modular Arithmetic, and Fast I/O directly into Monaco with a single keystroke.

Custom prefix trigger autocomplete
Unlimited snippet storage (sync to cloud with Plus)
Multi-language support (C++, Python, Java)

Modernized Codeforces Experience

Modernize the classic Codeforces platform. Enjoy a sleek injected dark mode, cleaner typography, distraction-free reading, and a side-by-side resizable editor panel.

Native Codeforces Dark Mode & Clean Theme
Distraction-free problem statement formatting
Modernized problemset table with tag & rating filters

Word-Based Auto Suggestions

Code faster with zero typos. Monaco-powered word suggestions automatically remember and complete previously typed variables, function identifiers, and keywords inside your current editor session.

Instant completion for typed variables & identifiers
Prevents syntax typos under contest time pressure
Lightweight, fast, and completely lag-free

Custom Boilerplate Starter Templates

Never start with an empty editor again. Configure your starter templates with Fast I/O and custom headers that automatically load the second you open any Codeforces problem.

Auto-detect problem ID & title headers
Multi-language template switching
Automatic cursor placement inside solve() function

Superpowers

Built for Serious Competitors

Tools crafted to save you valuable contest minutes and keep your workflow synchronized across devices.

Unlimited Multi-Device Cloud Save (Plus )

Save unlimited solutions directly to your secure cloud database. Switch from your desktop to your laptop mid-contest with automatic code fetch, cross-device template roaming, and zero loss of custom settings.

Instant Code & Settings Roaming Zero Data Loss on Cache Clear Cloud Snippets & Templates Hub

GitHub Auth • Supabase Cloud Sync: Real-Time Active

Custom Keyboard Shortcuts

Keep your hands glued to the keyboard with customizable hotkeys for every frequent action.

Ctrl + ' ➔ Run Code

Ctrl + Enter ➔ Submit Code

and many more (Reset, Format)...

Up to 5 Custom Test Cases

Add and batch-run up to 5 custom testcases side-by-side with execution time (ms) and memory metrics.

TC #1 PASSED (12ms) TC #2 PASSED (8ms) TC #3 PASSED (15ms)

Intelligent Code Formatter

Clean up messy contest code with a single shortcut. Built-in automatic indentation and syntax beautifier.

Auto Indent & Clean

Editor Options & VIM Mode

VIM / Standard keybindings, minimap toggle, smooth cursor animation, and custom themes.

Plan Comparison

Free vs. Ilmenite Plus

Full local features on Free. Seamless multi-device cloud synchronization with Plus.

Feature Capability	Free Tier	Ilmenite Plus
Monaco Code Editor & VIM Bindings	Full Access	Full Access
Custom Testcases Runner	Up to 5 Testcases	Up to 5 Testcases
Custom Code Snippets Hub	Saved Locally	Synced to Cloud
Boilerplate Starter Templates	Saved Locally	Synced to Cloud
Problem Code Storage	Saved Locally	Unlimited Cloud Backup
Settings & Appearance Preferences	Saved Locally	Synced Across Devices
Advanced Eye Shield & Dark Mode	Full Access	Full Access
Custom Keyboard Shortcuts	Full Access	Full Access
Intelligent Code Formatter	Full Access	Full Access
Multi-Device Seamless Roaming		Included
Priority Support & Early Updates		VIP Priority

Questions & Answers

Frequently Asked Questions

Got questions? We've got answers.

Is using Ilmenite allowed during official Codeforces rounds?

Yes, 100%! Ilmenite operates strictly on the client side as a UI and editor productivity enhancement. It uses standard web requests to interact with Codeforces and adheres completely to contest rules.

How does cloud synchronization and authentication work?

Ilmenite exclusively uses secure GitHub authentication powered by Supabase. Once logged in, your saved problem solutions, custom templates, snippets, and preferences are automatically synced in real time across all browsers and computers where you use the extension.

What payment methods are supported for Plus?

We support all major payment methods through Razorpay, including UPI (Google Pay, PhonePe, Paytm, BHIM), Credit Cards, Debit Cards, NetBanking, and Wallets.

Can I cancel my Plus subscription anytime?

Yes, you can cancel your subscription at any point with a single click. You will retain all Plus benefits until the end of your billing period with zero cancellation fees.

Do I need an account to use the free version?

Yes. As soon as you install the Ilmenite extension, you simply log in with your GitHub account to initialize your workspace. You can then immediately start coding with all free features.

Join the Plus Tier

Supercharge your competitive programming workflow with seamless cloud sync for less than a cup of chai per day.

₹99 ₹ 33 /month

67% Limited Launch Discount Applied

Unlimited Multi-Device Cloud Code Save & Auto-Fetch
Cloud Starter Templates Sync & Auto-Load
Cloud Custom Algorithm Snippets Hub Sync
Cloud Editor Settings & Appearance Preferences Sync
Zero Data Loss on Browser Cache Clear or Computer Switch
VIP Priority Support & Beta Feature Access

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