Tools & Articles for Modern Developers
CodeHelper is an open-source developer toolbox lightweight, fast, and privacy-friendly. Use it to format, convert, generate, and optimize your code directly in the browser. No logins. No tracking. Just productivity.
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Latest Articles & How-Tos
Practical guides and in depth tutorials written by developers, for developers. Learn new techniques, best practices, and tips to supercharge your workflow.
How to Use JSON in JavaScript
A practical guide to understanding and using JSON for data exchange in modern web development.
10 JavaScript Snippets Every Developer Should Keep in Their Clipboard Manager
Boost your productivity with these reusable snippets. Copy-paste ready for every dev.
Can AI Be Hacked? Real-World Attacks and Defenses
Explore how attackers compromise AI-powered apps and how to defend them. A must-read for anyone building with AI in 2025.
Building a Hacker Dropbox with Raspberry Pi and Twingate
Learn how to build a remote access dropbox using Raspberry Pi and Twingate (ZTNA). Ideal for IT support and ethical hacking.
Polar Night Energy Builds Industrial-Scale Sand Battery in Pornainen
Discover how Polar Night Energy’s new Sand Battery in Pornainen delivers 1 MW thermal power, stores 100 MWh, and cuts emissions by 70% in district heating.
CO₂ Battery: Closed Thermo-Mechanical Energy Storage Explained
Learn how the CO₂ Battery stores and generates electricity using closed thermo-mechanical cycles with carbon dioxide—offering long-duration energy storage with zero emissions.