QR codes and generators

QR codes, passwords, colors, UUIDs, and other generators.

Generate random integers in a custom range for giveaways, raffles, test data, and quick decisions.

Create harmonious color palettes for UI, branding, and websites: HEX, RGB, HSL, OKLCH, CSS variables, and Tailwind.

Create one or more numeric PIN codes for temporary access, demo accounts, tests, and local workflows.

Generate test JSON data for API mocks, frontend development, Postman, Swagger examples, prototypes, and demos.

Generate a random string of letters, digits, and symbols directly in your browser.

Create a strong password with custom length, character sets, and complexity directly in your browser.

Create a QR code for a link, text, email, phone number, SMS, Wi-Fi, or vCard — free and without registration.

Create a product EAN-13 barcode from 12 or 13 digits with automatic check digit calculation and PNG, SVG, or PDF export.

Create Code 128 barcodes for SKUs, orders, warehouse labels, logistics, serial numbers, and internal codes with PNG, SVG, or PDF export.

Generate Code 39 barcodes for industrial and warehouse labels — digits, letters A–Z, and selected symbols.

Popular tools

Generate QR codes, secure passwords, color palettes, UUIDs, PIN codes, and test data. Most generators run locally in your browser.