Free Developer Tools
Fast, privacy-friendly online utilities for developers, students, engineers, and security researchers.
Security
Password Generator
Create strong random passwords.
Converters
Base64 Encoder/Decoder
Convert text to/from Base64.
Dev
Regex Tester
Test regular expressions.
Text
Case Converter
Change text case.
Security
Passphrase Generator
Generate human-readable passphrases.
Converters
URL Encoder/Decoder
Percent-encode/decode URLs.
Dev
UUID Generator
Generate UUID v4.
Text
Slugify
Create slugs from text.
Security
Hash Generator
Generate MD5, SHA hashes.
Converters
CSV ⇄ JSON
Convert CSV to/from JSON.
Dev
JSON Validator
Validate JSON.
Text
Text Stats
Analyze text statistics.
Security
JWT Decoder
Decode JSON Web Tokens.
Converters
YAML ⇄ JSON
Convert YAML to/from JSON.
Dev
URL Parser
Parse URLs easily.
Text
Lorem Ipsum
Generate filler text.
Security
Random String
Generate random strings.
Converters
Markdown → HTML
Convert Markdown to HTML.
Dev
Cron Parser
Explain cron expressions.
Converters
HTML Entities
Encode/decode HTML entities.
Security
SHA256 Generator
Generate SHA256 hash instantly.
Converters
Color Converter
HEX ⇄ RGB ⇄ HSL.
Dev
Timestamp Converter
Convert UNIX timestamps.
Converters
Image → Base64
Convert images to Base64.