Welcome to CoderTools
Your collection of 16+ free developer tools, all running client-side for privacy and speed.
🚀 Getting Started
Select a tool from the sidebar to get started. All tools work entirely in your browser - no data is sent to our servers, ensuring your privacy and security.
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting
Base64 Encoder/Decoder
Encode and decode Base64 strings quickly and easily
JWT Decoder
Decode and inspect JWT tokens to view their contents
UUID Generator
Generate unique identifiers in various formats
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
CSV to JSON Converter
Convert CSV data to JSON format with customizable options
Privacy First
All tools run in your browser. No data is sent to our servers.
Lightning Fast
Client-side processing means instant results with no waiting.
Mobile Friendly
Responsive design that works perfectly on all devices.