42 Free Developer Tools Every Coder Needs (2026 Edition)

AllToolHub has 42 free developer tools that every coder needs. All browser-based, no installation required.

Code Formatters & Beautifiers

• JSON Formatter - Format, validate, and minify JSON
• HTML Beautifier - Pretty-print HTML code
• JS Beautifier - Format JavaScript code

CSS Generators

• CSS Gradient Generator - Visual gradient builder
• Box Shadow Generator - Create CSS box shadows
• CSS Grid Generator - Visual grid layout builder

Data Converters

• CSV to JSON
• XML to JSON
• JSON to YAML

Encoding & Hashing

• Base64 Encode/Decode
• URL Encoder/Decoder
• SHA Hash Generator