Design Generators — QR, Gradients, Colors & Placeholders
Design tools: QR codes, CSS gradients, color palettes, hex colors, and placeholder assets for UI prototypes.
Placeholder images, QR codes, avatars, gradients, and color palettes for UI design. This category includes 4 free online tools on Random Data Hub, including QR Code Generator, Avatar Generator, Color Palette Generator, Color Converter. Each generator produces fictional data for QA, staging environments, and UI prototypes—never for fraud, spam, or impersonation. Select a tool below to generate sample output, read step-by-step instructions, and review frequently asked questions about safe test-data practices.