Developer Tools
Format, validate, encode, decode, and convert data formats for software development.
All Developer Tools
Showing 27 toolsJSON Formatter
Format, minify, and validate JSON data.
Base64 Encoder/Decoder
Encode and decode Base64 strings.
JWT Decoder
Decode JSON Web Tokens and view claims.
Regex Tester
Test and debug regular expressions.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
Code to Image Generator
Generate beautiful syntax-highlighted code images for Twitter, blog posts, and slides.
JSON to TypeScript Converter
Convert JSON objects into strongly-typed TypeScript interfaces and types automatically.
Cron Expression Generator & Explainer
Build, validate, and understand crontab schedules with human-readable English translations.
URL Encoder / Decoder & Query Parser
Encode, decode URLs and query parameters with real-time parameter breakdown.
Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and any base (2–36).
CSV to JSON Converter
Convert CSV to JSON and JSON to CSV with correct quote and delimiter handling.
HTML Entity Encoder & Decoder
Encode special characters into HTML entities or decode entities back into raw text.
CSS Clamp & Fluid Typography Generator
Generate responsive CSS clamp() font sizes that scale smoothly with the viewport.
CSS Gradient Generator
Generate beautiful CSS linear and radial gradients with customizable color stops and angle controls.
CSS Box Shadow Generator
Visually create and customize soft, realistic CSS box-shadows with real-time controls.
CSS Glassmorphism Generator
Generate modern frosted glass CSS UI effects with backdrop-blur and border transparency.
IPv4 CIDR Subnet Calculator
Calculate network ranges, broadcast IP, netmask, wildcard, and usable host capacity from any CIDR.
cURL to Fetch & Axios Converter
Convert raw cURL commands instantly into JavaScript Fetch, Axios, Python Requests, and Go HTTP client code.
SQL Formatter & Beautifier
Format, indent, and beautify messy SQL queries with uppercase keyword styling.
CSS Neumorphism (Soft UI) Generator
Design soft UI / neumorphic components with realistic dual-shadow highlights and CSS code export.
YAML to JSON & JSON to YAML Converter
Bi-directional converter between YAML and JSON formats with real-time syntax validation.
CSS Border Radius & Blob Generator
Design organic blob shapes and 8-point fancy border-radius curves with interactive sliders.
Chmod Permissions Calculator
Calculate Linux / Unix chmod file permissions in numeric (octal) and symbolic notation.
CSS Flexbox Playground & Generator
Interactive visual flexbox playground with real-time CSS and Tailwind code generation.
JavaScript KeyCode & Keyboard Event Inspector
Press any key to inspect event.key, event.code, event.keyCode, and modifier flags.
Code Minifier (HTML, CSS, JS, JSON)
Minify HTML, CSS, JavaScript, and JSON code by stripping unnecessary whitespace and comments.
XML Formatter & Validator
Beautify, minify, and validate XML with adjustable indentation — all in your browser.