CodeHelper
Your Complete Developer Toolkit
100+ privacy-first tools, 800+ curated resources, and 400+ public APIs. All fast, free, and built for developers who value their privacy.
Everything You Need in One Place
CodeHelper Tools
100+ privacy-first utilities that run entirely in your browser. Format, convert, generate, and optimize—no account required.
- •Client-side processing only
- •No data leaves your device
- •Lightning-fast performance
External Resources
800+ curated developer resources across 31 categories. Find the perfect tools for colors, icons, fonts, UI libraries, and more.
- •Hand-picked quality resources
- •Organized by category
- •Free and open-source focused
Public APIs
400+ free public APIs across 40 categories. Filter by authentication, HTTPS support, and CORS availability.
- •Development, music, finance & more
- •Advanced filtering options
- •Detailed API specifications
Latest Articles & Tutorials
Insights, guides, and best practices for developers
Local AI Coding Setup: Ollama + OpenCode on macOS Terminal
Step-by-step guide to setting up a fully local AI coding agent with Ollama and OpenCode on macOS. Agentic tool use, multi-model support, zero cloud dependencies — all running on Apple Silicon.
Blue Energy: Why Coastal Cities Are Betting on Osmotic Power
Osmotic power harvests electricity from the natural mixing of freshwater and saltwater. With 15,000 TWh of untapped potential yearly, coastal cities and desalination plants are turning waste into energy.
The Echo of the Big Bang: How a Mysterious Noise Proved the Origin of the Universe
The remarkable story of how Penzias and Wilson accidentally discovered the Cosmic Microwave Background radiation while trying to eliminate noise from their antenna—proving the Big Bang theory.
AI Data Centers in Space: Sustainability Vision or Financial Engineering?
SpaceX and Blue Origin promote space-based AI data centers as sustainable. But with 165 rocket launches per year, 9,400 Starlink satellites, and daily debris reentries, is this green tech or green marketing?
AI and the Future of Work: What Young People Must Understand Now
IMF warns AI will hit labor markets like a tsunami, with 60% of jobs affected and entry-level roles at highest risk. A reflection on human adaptability, education reform, and why imagination remains irreplaceable.
The AI Energy Nexus: Are We Building the Future or Burning It?
AI spending will exceed $2 trillion by 2026, but at what environmental cost? A developer perspective on the AI-energy nexus, resource consumption, and the problem of frivolous AI usage.
Privacy-First Philosophy
CodeHelper is built around client-side, privacy-friendly utilities that run directly in your browser. No accounts, no tracking, no data collection.
Every tool processes your data locally, ensuring complete privacy while delivering instant results.
Open Source & Community-Powered
CodeHelper is open source and welcomes contributions. Help us refine existing tools, suggest new ones, or improve documentation.
Start with a pull request or open an issue on{' '} GitHub .