Developer Tools
At some point every app needs a password generator, a way to detect bots, some fake data for tests, or a hit counter for analytics. These are the utilities developers end up reinventing across every project. They're already here.
Markdown to HTML
Convert Markdown to HTML in a single API call. Optionally sanitize the output to strip unsafe tags and prevent XSS.
QR Code Generator
Generate QR codes from any text or URL, returned as a PNG image or base64-encoded JSON
Barcode Generator
Generate barcodes in multiple formats (Code 128, Code 93, Code 39, EAN-8, EAN-13), returned as a PNG image or base64-encoded JSON
Password Generator
Generate cryptographically secure random passwords with customizable length and character sets
User Agent Parser
Parse user agent strings to extract browser, OS, device type, and bot detection
Counter
Atomic, namespace-isolated hit counter
Random User
Generate random fake user profiles for testing and prototyping — names, emails, phone numbers, addresses, and avatars
Base64 Encode / Decode
Encode strings to Base64 and decode Base64 back to plain text. Supports standard and URL-safe (base64url) variants.
Number Base Conversion
Convert integers between binary, octal, decimal, and hexadecimal. Accepts optional 0x, 0b, and 0o prefixes.
Color Format Conversion
Convert color values between HEX, RGB, HSL, and CMYK. Every response includes all four representations.
Unit Conversion
Convert between units of measurement — length, weight, volume, temperature, area, and speed
Data Format Conversion
Convert structured data between JSON, YAML, CSV, XML, and TOML in a single API call.