Developer Tools

A suite of web developer tools: JSON formatter, regex tester, SQL formatter, JWT decoder and more. Total privacy.

JSON Formatter

Format, validate and minify JSON.

/json

Base64 Encoder & Decoder

Encode and decode Base64.

/base64

URL Encoder & Decoder

Encode and decode URLs.

/url-encode

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.

/hash

UUID Generator

Generate UUIDs v1, v4 and v7.

/uuid

Text Diff Checker

Compare two texts side by side.

/diff

Regex Tester

Test regular expressions live.

/regex

Color Converter

Convert between HEX, RGB, HSL and OKLCH.

/color

SQL Formatter

Format SQL queries.

/sql

HTML Formatter

Indent and prettify HTML.

/html-fmt

JWT Decoder

Decode JSON Web Tokens.

/jwt

Markdown Previewer

Markdown editor with live preview.

/markdown

Minify Code

Minify HTML, CSS and JavaScript.

/minify

Unix Timestamp Converter

Convert epoch to a readable date and back, in local time or UTC.

/timestamp

Lorem Ipsum Generator

Generate placeholder text in Latin or Spanish, by words or paragraphs.

/lorem

Binary, Decimal & Hex Converter

Convert between binary, octal, decimal, hexadecimal and any base.

/number-base

HTML Entity Encoder & Decoder

Encode and decode HTML entities and JavaScript escapes.

/html-entities

Image to Base64 Converter

Convert an image to a Base64 data URI and back, with ready-made snippets.

/img-to-base64