🛠 Developer Tools
Free online tools for developers — format, encode, decode, generate, validate
JSON Formatter & Validator
Format, validate, and beautify JSON data online
Base64 Encoder/Decoder
Encode and decode Base64 strings online
UUID Generator
Generate random UUIDs (v4) and other UUID versions online
URL Encoder/Decoder
Encode and decode URLs and query parameters online
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online
Regex Tester
Test and debug regular expressions with real-time matching and explanation
Color Picker & Converter
Pick colors and convert between HEX, RGB, HSL, and CMYK formats
Cron Expression Builder
Build and understand cron expressions with a visual editor
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) online
Markdown Preview
Write and preview Markdown with live rendering
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor and copy the code
HTML Entity Encoder/Decoder
Encode and decode HTML entities and special characters
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text
Diff Checker
Compare two texts and see the differences highlighted
SQL Formatter
Format and beautify SQL queries with proper indentation
YAML to JSON Converter
Convert between YAML and JSON formats instantly
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
CSS Minifier
Minify CSS code to reduce file size and improve load times
HTML Formatter
Format and beautify HTML code with proper indentation
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal
JSON to CSV Converter
Convert JSON arrays to CSV format and download as a file
Chmod Calculator
Calculate Linux file permissions in numeric and symbolic notation
Color Palette Generator
Generate beautiful color palettes from a base color for your designs