We launched a free tool that generates custom placeholder images and QR codes from plain URL parameters. There is no editor to learn - you build the URL, it returns the image.
Generate placeholder images
If you need an image of a certain size for your project, use the path /[width]x[height] and add background color, text, font size, and more parameters. For example:
https://imgsrc.pub/400x300?bg=3498db&text=Hello+World
Generate QR codes
You can also generate QR codes. Visit the /qr path and add your desired text and size:
https://imgsrc.pub/qr?text=Hello+World&size=300
Let me know what you think!
Give it a spin - it might save you a few minutes on your next mockup.
Generate Placeholders & QR Codes Instantly