Free Developer Tools

Base64

Encode & decode Base64 strings instantly

Encoder/Decoder

URL encode and decode strings with ease

HTML Entity

Encode and decode HTML entities (&, <, >…)

JWT Decoder

Decode JSON Web Tokens — view header, payload & expiry

JWT Encoder

Generate signed JSON Web Tokens with HS256, HS384, or HS512

JSON Formatter

Format, validate, and minify JSON with pretty-printing

JSON to String

Convert JSON objects to escaped strings and back

JSON to CSV

Convert JSON arrays to CSV with comma, tab, semicolon, or pipe delimiters

CSV to JSON

Convert CSV data to JSON arrays with auto type-casting

Word Counter

Count words, characters, lines, sentences, and reading time

Case Converter

Convert between camelCase, snake_case, kebab-case & more

Diff Checker

Compare two text blocks and see line-by-line differences

Lorem Ipsum

Generate placeholder text by paragraphs, sentences, or words

Markdown Preview

Write Markdown and see live rendered HTML side by side

UUID Generator

Generate cryptographically random UUID v4 identifiers

Password Generator

Generate strong random passwords with entropy scoring

Color Theme

Generate matching color palettes from any hex color

Hash Generator

Generate SHA-256, SHA-512, SHA-384, and SHA-1 hashes

FauxImage

Placeholder image generator for mockups and prototypes

SQL Formatter

Format and beautify SQL queries with proper indentation and keyword casing

HTML Formatter

Beautify or minify HTML with proper indentation

CSS Formatter

Beautify or minify CSS stylesheets instantly

Epoch

Unix timestamp converter and date utility

Cron Parser

Translate cron expressions to plain English with next run times

Regex Tester

Test regular expressions with live match highlighting

Number Base

Convert between binary, octal, decimal, and hexadecimal

URL Parser

Break any URL into protocol, host, path, query params, and hash