Free Developer Tools
Essential utilities for coding, debugging, and web design.
Speed up your workflow with our suite of free online developer tools. Whether you need to quickly beautify a messy block of JSON, safely encode a URL string, or find the perfect HEX color code for a project, these utilities run instantly in your browser. Because they operate client-side, your data and code snippets remain completely secure.
JSON Formatter
Format, validate and beautify messy JSON data instantly.
URL Encoder/Decoder
Encode or decode any URL or query string easily.
Color Picker
Pick colors and get HEX, RGB and HSL codes instantly.
Frequently Asked Questions
Is my JSON data uploaded anywhere?
No. Our JSON formatter parses and validates your data entirely within your browser using JavaScript. No data is sent to a backend server, making it safe for formatting sensitive API responses.