All Developer Tools (42)

Fast, private, and easy-to-use tools for developers.

Base64 Converter

Encode/decode Base64

URL Encode/Decode

URL encode/decode text

HTML Entities

HTML entity encode/decode

UUID Generator

Generate UUID v4

QR Code Generator

Generate QR codes

Lorem Ipsum

Generate placeholder text

Password Generator

Create secure passwords

Nano ID Generator

Generate compact unique IDs
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Slug Generator

Create URL-friendly slugs

Color Picker

HEX/RGB/HSL converter

CSS Gradient

Create gradient CSS

Color Contrast Checker

Check WCAG contrast ratios

Color Palette Generator

Generate harmonious color palettes

JSON Formatter

Format, validate, minify JSON

Timestamp Converter

Unix timestamp converter

Hash Generator

MD5, SHA-1, SHA-256
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Number Base

Dec/Hex/Bin/Oct converter

JSON ↔ YAML

Convert JSON/YAML

CSV to JSON

Convert CSV data to JSON

JWT Decoder

Decode JSON Web Tokens

Regex Tester

Test regular expressions

Diff Checker

Compare text differences

SQL Formatter

Format SQL queries

URL Parser

Parse URL components

HTTP Status Codes

HTTP status code reference

Cron Expression Parser

Parse cron schedule expressions
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String Escaper

Escape/unescape strings
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Text Case

UPPER/lower/CamelCase

Word Counter

Count words, chars, lines

Dedupe Lines

Remove duplicate lines

Markdown Previewer

Preview Markdown in real-time

IP Address Lookup

Lookup IP geolocation & ISP
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My IP Address

Show your public IP address

DNS Lookup

Query DNS records
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User Agent Parser

Parse browser user agent

Image to Base64

Convert image to Base64 data URI

SSL Certificate Checker

Check SSL certificate details

Password Strength Meter

Evaluate password strength

CSS Formatter

Format & beautify CSS

HTML Formatter

Format & beautify HTML

JavaScript Formatter

Format & beautify JavaScript
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PX to REM Converter

Convert PX to REM/EM units