The classic drop-and-connect strategy game, also known as Connect Four. Play a smart AI or a friend on the same device.
Your turn (Red)
Scores and mode are saved in this browser only.
About & How It Works
Discover how Four in a Row executes your workflow locally in your browser with zero server uploads and total privacy.
Four in a Row on Neranjan Tools is an ultra-fast, client-side utility crafted to deliver professional-grade processing without the privacy risks or upload delays of traditional cloud services. Whether handling sensitive business contracts, personal photos, or code snippets, you can accomplish your task in seconds.
Unlike conventional web converters that upload your confidential files to remote third-party servers, this tool operates 100% inside your browser's local sandbox using HTML5 Canvas, WebAssembly, and modern JavaScript engines. Your files are loaded into your device's memory, processed instantly by your local CPU and GPU, and saved directly to your disk, ensuring zero data leaks, zero server logging, and immunity to malware execution.
Step-by-Step Guide
Pick Your Opponent
Choose "Vs Computer" for an AI challenge, or "2 Players" to share the screen with a friend.
Drop a Disc
Click any column - your disc falls to the lowest empty spot in that column.
Line Up Four
Be the first to line up four discs in a row, column, or diagonal.
Zero Server Storage
Files never leave your device. Complete immunity from server breaches or data leaks.
Instant Performance
Immediate processing powered by your local device hardware with zero upload wait times.
All Devices Supported
Works smoothly on iOS, Android, macOS, Windows, and Linux across all modern browsers.
100% Free Forever
No hidden subscriptions, no credit card forms, and unlimited free daily usage.
100% Client-Side Privacy Guarantee
Neranjan Tools guarantees that Four in a Row processes your data purely in your browser memory. We never store, log, or inspect your files, protecting you fully against virus uploads and data breaches.
Frequently Asked Questions (10)
Common questions and answers regarding this tool.
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