Placeholder image generator
Generate a placeholder image at the size and colors you want.
- Instant
- Free
- Private (processed locally)
- No sign-up
Fill a mockup while waiting for the real visuals
During mockups, you need images “just to see”. This tool generates a rectangle at the right dimensions, with the size written on it, in your brand colors.
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Set the dimensions
Width and height in pixels, up to 4000.
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Choose colors and text
Background, text color, custom or automatic label.
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Download
The exact PNG, ready to drop into your mockup.
Common dimensions
| Dimensions | Typical use |
|---|---|
| 600 × 400 | Article thumbnail (auto text: 600 × 400) |
| 1200 × 630 | Social share image (Open Graph) |
| 1920 × 1080 | Full-width banner (16:9) |
| 400 × 400 | Avatar or product square |
Everything is drawn locally on a canvas: no image is sent online.
Frequently asked questions
What is a placeholder image for?
To reserve the space of a not-yet-available visual in a mockup, prototype or template. It avoids “broken” layouts and clearly shows the expected size of the final image.
Does the text show the dimensions?
By default, yes: if you leave the text field empty, the image automatically shows “width × height” (for example 600 × 400). You can also enter your own text, like a section name.
Can I generate large images?
Yes, up to 4000 × 4000 pixels. The font adapts automatically to the smaller dimension to stay legible, whether it is a square thumbnail or a wide banner.
Is the data sent online?
No. The image is drawn on a canvas in your browser and downloaded locally. No network request, so it works offline and with no data leak.