Free Developer Tools
A growing collection of free, no-authentication APIs for developers. QR codes, image processing, weather data, currency conversion, PDF generation, and more — built for simplicity and reliability.
Utility APIs
/api/qrcode
Generate QR codes in PNG, SVG, or Base64. Supports URLs, plain text, vCards, WiFi credentials, and custom styling with colors, logos, and error correction levels.
GET /api/qrcode?text=hello&format=png&size=300
/api/uuid
Generate UUIDs in bulk. Supports UUID v1, v4, and v7 with configurable output formats (JSON, plain text, CSV). Generate up to 1,000 UUIDs per request.
GET /api/uuid?version=4&count=10
/api/password
Generate secure random passwords with customizable length, character sets, and complexity requirements. Returns entropy analysis and strength rating.
GET /api/password?length=32&symbols=true
/api/hash
Hash strings using SHA-256, SHA-512, MD5, BLAKE2, and more. Supports HMAC with custom keys. Returns hex, base64, or binary output.
GET /api/hash?text=hello&algo=sha256
Data APIs
/api/weather
Real-time weather data for any city worldwide. Current conditions, hourly and daily forecasts, UV index, humidity, wind speed, and historical data going back 5 days.
GET /api/weather?city=London&units=metric
/api/exchange-rates
Live currency exchange rates. Supports 170+ world currencies with historical rates up to 1 year. Simple conversion endpoint included.
GET /api/exchange-rates?base=USD&targets=EUR,GBP,JPY
/api/ip-lookup
IP geolocation and network information. Returns country, city, ISP, timezone, ASN, and approximate coordinates. Supports IPv4 and IPv6.
GET /api/ip-lookup?ip=8.8.8.8
/api/timezone
Timezone information and conversion. Get current time, UTC offset, DST status, and convert between timezones. IANA timezone database compliant.
GET /api/timezone?zone=Europe/Zurich
Media APIs
/api/image/resize
Resize, crop, rotate, and optimize images. Supports JPEG, PNG, WebP, AVIF, and GIF. Smart cropping with face detection, background removal, and format conversion.
POST /api/image/resize → {width: 800, format: 'webp'}
/api/pdf/generate
Generate beautiful PDF documents from HTML with custom CSS. Perfect for invoices, reports, certificates, and tickets. Supports headers, footers, page numbers, and watermarks.
POST /api/pdf/generate → {html: '...', format: 'A4'}
/api/image/compress
Compress images with intelligent quality optimization. Reduce file size by up to 80% while preserving visual quality. Supports batch processing.
POST /api/image/compress → {quality: 80}
/api/screenshot
Capture website screenshots programmatically. Full-page or viewport captures in PNG or JPEG. Configurable viewport size, device emulation, and delay.
GET /api/screenshot?url=https://example.com&width=1280
Text APIs
/api/markdown
Convert Markdown to HTML, or HTML to Markdown. Supports GitHub Flavored Markdown with tables, task lists, strikethrough, and syntax-highlighted code blocks.
POST /api/markdown → {text: '# Hello', to: 'html'}
/api/lorem
Generate Lorem Ipsum placeholder text. Configurable paragraphs, sentences, or words. Supports plain text, HTML, and Markdown output formats.
GET /api/lorem?paragraphs=3&format=html
Fair Use
All APIs are free to use with generous rate limits. No API key required. For higher limits or commercial use, please contact us.
Per IP address
Per IP address
For POST endpoints