Free Developer Tools
Fast, privacy-friendly online utilities for developers, students, engineers, designers, and security researchers.
Security
Password Generator
Create strong random passwords.
Security
Passphrase Generator
Generate human-readable passphrases.
Security
Hash Generator
Generate MD5, SHA hashes.
Security
JWT Decoder
Decode JSON Web Tokens.
Security
Random String
Generate random strings.
Security
SHA256 Generator
Generate SHA256 hash instantly.
Converters
Base64 Encoder/Decoder
Convert text to/from Base64.
Converters
URL Encoder/Decoder
Percent-encode/decode URLs.
Converters
CSV ⇄ JSON
Convert CSV to/from JSON.
Converters
YAML ⇄ JSON
Convert YAML to/from JSON.
Converters
Markdown → HTML
Convert Markdown to HTML.
Converters
HTML Entities
Encode/decode HTML entities.
Converters
Color Converter
HEX ⇄ RGB ⇄ HSL.
Converters
Image → Base64
Convert images to Base64.
Converters
CURL → Fetch
Convert cURL commands to Fetch API.
Developer
Regex Tester
Test regular expressions.
Developer
UUID Generator
Generate UUID v4.
Developer
URL Parser
Parse URLs easily.
Developer
Cron Parser
Explain cron expressions.
Developer
Timestamp Converter
Convert UNIX timestamps.
Developer
Gitignore Generator
Generate .gitignore files instantly.
Developer
Code Screenshot Generator
Create beautiful code screenshots.
Text
Case Converter
Change text case.
Text
Slugify
Create slugs from text.
Text
Text Stats
Analyze text statistics.
Text
Lorem Ipsum
Generate filler text.
Text
README Generator
Generate README files quickly.
SEO
Open Graph Preview
Preview social media link cards.
SEO
Meta Tags Generator
Generate SEO meta tags instantly.
SEO
Favicon Generator
Create favicons for websites.
API
JSON Validator
Validate JSON.
API
JSON Diff
Compare two JSON objects.
API
SQL Formatter
Format and beautify SQL queries.
API
API Request Builder
Build and test API requests.