Tools for developers

JSON Formatter

Format, validate & minify JSON

UUID Generator

Generate v4 UUIDs in bulk

Text Diff

Compare two texts side by side

SQL Formatter

Format & beautify SQL queries

XML Formatter

Format, validate & minify XML

YAML Formatter

Format, validate & convert YAML

JSON to CSV

Convert JSON arrays to CSV and back

JWT Decoder

Inspect JWT tokens instantly

Hash Generator

Generate MD5, SHA-1, SHA-256 hashes

Password Generator

Generate strong random passwords

Password Strength Checker

Check how strong your password is

JWT Generator

Generate signed JWT tokens

Basic Auth Generator

Generate HTTP Basic Auth headers

Regex Tester

Test & highlight regex matches live

Base64 Encoder

Encode & decode Base64 strings

Number Base Converter

Convert between binary, octal, decimal & hex

URL Encoder / Decoder

Percent-encode and decode URLs

HTML Encoder / Decoder

Encode and decode HTML entities

Markdown Preview

Write Markdown with live preview

Timestamp Converter

Unix ↔ human readable date

Cron Builder

Build and understand cron expressions

Color Converter

HEX ↔ RGB ↔ HSL converter

Chmod Calculator

Calculate chmod permissions visually

CSS Formatter & Minifier

Format and minify CSS code

HTML Formatter & Minifier

Format and minify HTML code

JS Formatter & Minifier

Format and minify JavaScript code

URL Parser

Break down URL components

Percentage Calculator

Calculate percentages, increases & discounts

Roman Numeral Converter

Convert numbers to Roman numerals and back

Date Difference Calculator

Calculate the difference between two dates

QR Code Generator

Generate QR codes for URLs and text

Case Converter

Convert text between all letter cases

Slugify String

Convert text to URL-friendly slugs

Lorem Ipsum Generator

Generate placeholder lorem ipsum text

Text Stats

Word count, character count & reading time