Choose Your Tool

Use focused pages for each generator with dedicated docs and faster workflows.

Image Generator

Real-time preview, color contrast helper, gradients, and copy-ready embed formats.

Go to Image Generator

Text Generator

Generate placeholder paragraphs, sentences, and words with plain/HTML/JSON modes.

Go to Text Generator

Why FillThat?

Instant Generation

Generate images on-the-fly with zero setup. Just use a URL.

Fully Customizable

Control size, text, colors, and gradients with URL parameters.

Lightning Fast

Cached responses and optimized generation for maximum speed.

No API Key

No registration, no API keys. Just simple URLs that work.

AI Powered (Optional)

Integrate with DALL-E or Stability AI for advanced images.

Examples

Blog Post - Red background placeholder image (400x300)
/400x300/Blog-Post/FF6B6B/white
Product Image - Teal background placeholder (400x300)
/400x300/Product_Image/4ECDC4/2C3E50
Hero Section - Purple to pink gradient placeholder (400x300)
/400x300/Hero-Section/purple/white?gradient=true&gradientend=pink

How to Use

Generator URLs:

fillth.at/WIDTHxHEIGHT/TEXT/BG_COLOR/TEXT_COLOR fillth.at/text/AMOUNT/TYPE/STYLE

Parameters:

  • WIDTH x HEIGHT - Image dimensions (e.g., 800x600)
  • TEXT - Text to display (use - or _ for spaces; use - to intentionally generate without centered text)
  • BG_COLOR - Background color (hex or name)
  • TEXT_COLOR - Text color (hex or name)

Optional Query Parameters:

  • ?gradient=true - Enable gradient background
  • &gradientend=COLOR - Gradient end color
  • &fontsize=NUMBER - Custom font size

Dedicated docs: Image Docs and Text Docs