Tools

90 tools, organized by category — search or filter to find the one you need.

Developer Tools

26

JSON Formatter & ValidatorFormat, validate, and minify JSON instantly.

JSON Diff CheckerCompare two JSON documents and see exactly what changed, by structure not text.

.gitignore GeneratorGenerate a .gitignore file for your stack — Node, Python, Java, and more.

Open Source License GeneratorGenerate a LICENSE file for MIT, Apache 2.0, GPL, and more, instantly.

README GeneratorGenerate a well-structured README.md for your project, instantly.

Password GeneratorGenerate strong, random passwords instantly.

Diceware Passphrase GeneratorGenerate secure, memorable passphrases using the diceware method.

Password Strength CheckerCheck how strong your password is, entirely offline, in your browser.

UUID & Hash GeneratorGenerate UUIDs and compute MD5/SHA hashes instantly.

Base64 Encoder / DecoderEncode and decode Base64 text, files, and images instantly.

Regex TesterTest and debug regular expressions with live match highlighting.

URL Encoder & DecoderEncode and decode URLs and query strings instantly.

IP Subnet CalculatorCalculate network address, broadcast, and host range from an IP and CIDR, instantly.

JWT DecoderDecode and inspect JWT tokens — header and payload, instantly.

Cron Expression BuilderBuild and understand cron expressions with a visual editor.

HTML Entity Encoder & DecoderEncode and decode HTML entities instantly.

Timestamp ConverterConvert Unix timestamps to human-readable dates and back, instantly.

Number Base ConverterConvert numbers between binary, octal, decimal, and hexadecimal, instantly.

JSON to TypeScript GeneratorGenerate TypeScript interfaces from JSON instantly.

XML Formatter & ValidatorFormat, validate, and minify XML instantly.

YAML to JSON ConverterConvert between YAML and JSON formats instantly, both directions.

SQL Query FormatterFormat and beautify SQL queries instantly.

Code Minifier & BeautifierMinify or beautify JavaScript, CSS, and HTML instantly.

Text & Code Diff CheckerCompare two texts or code snippets and see the differences instantly.

cURL to Code ConverterConvert cURL commands to JavaScript, Python, and more, instantly.

HTTP Status Code ReferenceLook up HTTP status codes and their meanings instantly.