Developer Tools
26 toolsJSON formatting, Base64 encoding/decoding, regex testing
JSON Formatter
Format, validate, and compress JSON data
Base64 Encode/Decode
Encode and decode text or files with Base64
URL Encode/Decode
URL encode and decode, handle special characters
Regex Tester
Test regular expressions and view matches online
Code Beautifier
Beautify and format JS / CSS / HTML code
Markdown Editor
Online Markdown editor with live preview
UUID Generator
Generate batches of UUID / GUID unique identifiers
JWT Parser
Parse and inspect JWT token headers and payloads
Color Picker
Pick colors and convert between HEX / RGB / HSL
CSS Gradient Generator
Visually generate CSS gradient background code
HTML Entity Encode/Decode
Encode and decode HTML entity characters
Unicode Converter
Convert between characters and Unicode code points
Binary Converter
Convert between text, decimal, and binary formats
Timestamp Converter
Convert between Unix timestamps and date/time
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text.
Color Contrast Checker
Check WCAG contrast ratios for foreground and background colors.
Cron Parser
Parse Cron expressions and predict run times.
JSON ⇄ CSV
Convert between JSON and CSV bidirectionally.
Markdown to HTML
Convert Markdown to HTML code.
Table Generator
Visually create tables and export to HTML or Markdown
Email Signature Generator
Generate professional HTML email signatures
CPF / CNPJ Validator
Validate and generate Brazilian CPF / CNPJ numbers
Chart Generator
Quickly generate bar, line, or pie charts from data input
Resume Generator
Create resumes online and export as PDF
Credit Card Number Generator
Generate test credit card numbers compliant with Luhn checksum
Boleto Generator
Generate barcode digit line for Brazilian Boleto test