QR codes, barcodes, JSON, and encoding utilities for developers.
Generate QR codes for URLs, text, WiFi, and more. Free, instant, high-resolution PNG download. No signup.
Generate EAN-13, UPC-A, Code128, and Code39 barcodes online. Free, instant, high-resolution PNG download.
Format, validate, and beautify JSON online. Minify or prettify JSON instantly. Free tool.
Encode or decode text and files to Base64 instantly. Free online Base64 converter.
Pick colors and convert between HEX, RGB, and HSL instantly. Free online color picker.
Create a QR code that connects guests to your WiFi instantly. Free, no signup, no app required.
Generate random UUID v4 values online for free. Bulk generation, one-click copy, no signup.
Generate SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text. Free, instant, 100% private.