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NyankoTools

Placeholder Image Generator

Set a size and colors to create a dummy image for mockups and testing. To convert an existing image, use the Image Converter; to look up color codes, try the Color Converter.

🔒 Runs in your browser · Your data is never sent to a server

Size presets
Download
Preview

Notes

  • Width and height must be whole numbers from 1 to 4096 px.
  • Colors are specified as #RGB or #RRGGBB. If the text is left empty, "width × height" is shown.
  • You can export as PNG, JPEG or WebP. JPEG does not support transparency.

Glossary

Placeholder image

A temporary image used in web design and app development to reserve space until the final image is ready. Handy for checking layouts and testing.

PNG / JPEG / WebP

PNG is lossless, JPEG is a lossy format suited to photos, and WebP offers similar quality at a smaller size. Flat-color placeholders stay small even as PNG.

FAQ

Is there a maximum image size?

Width and height can be up to 4096 px each. Larger sizes are not supported because they strain the browser.

What is a placeholder image used for?

It stands in for real images during design mockups, layout checks, code testing and documentation samples.

Can I change the background and text colors?

Yes. Set the background and text colors in #RGB or #RRGGBB format and change the text; if left empty, the label shows width × height. Download as PNG, JPEG or WebP.

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