Free Developer Tools and Calculators

Code63 Apps offers 5 free developer tools. All tools are free to use with no signup required. Our developercollection has been used 6 times.

Available Developer Apps

• Csv Column Mapper - Quick and easy csv column mapper.
• Base64 Encoder Decoder - Free base64 encoder decoder - no sign-up required.
• Jwt Decoder - Quick and easy jwt decoder.
• Color Mixing Predictor - Free color mixing predictor - no sign-up required.
• Color Blind Simulator - A simple, focused color blind simulator for everyday use.

About Our Developer Tools

Our developer tools are designed to be simple, fast, and privacy-focused. All calculations happen in your browser - your data never leaves your device. Whether you need a quick calculation or a detailed analysis, our developerapps have you covered.

Why Choose Code63 Developer Tools?

• 100% Free - No hidden costs or premium tiers
• No Signup Required - Start using immediately
• Privacy-First - All processing happens locally
• Mobile-Friendly - Works on any device
• 5 Tools - Comprehensive developer collection