Dummy Image Placeholder Generator
Create customized mock image placeholders with custom dimensions, background colors, and labels for web wireframes and UI prototypes.
Free Dummy Image Placeholder Generator
Create customized mock image placeholders with custom dimensions, background colors, and labels for web wireframes and UI prototypes.
Quick Answer & Overview
The Dummy Image Placeholder Generator produces lightweight mock images with custom pixel dimensions, background colors, and overlay text. Web designers and frontend engineers use it to scaffold landing page layouts, test responsive image grids, and prototype wireframes before final creative assets are ready.
Specify Width & Height
Enter pixel dimensions (e.g., 600x400, 1200x630, 300x250) or choose standard ad banner presets.
Choose Colors & Label Text
Select background and text HEX colors and specify custom label text (or default dimension label).
Select Output Format
Choose between SVG vector format, WebP, PNG, or JPEG raster formats.
Copy Image URL or Download
Copy the direct placeholder image URL for HTML mockups or download the image file directly.
Wireframe & Prototype Faster Without Production Assets
Waiting for marketing teams to deliver final photography or product renders can stall frontend development. Our dummy image generator creates instant SVG and PNG placeholders with exact pixel boundaries and custom typography labels, keeping your layout development on schedule.
Custom Dimensions
Specify any width and height in pixels from tiny 16px icons to massive 4K background heroes.
Vector SVG & WebP
Ultra-lightweight vector code embeds directly into HTML with zero page weight overhead.
Color Palette Matching
Match your client's brand HEX colors to maintain visual harmony in UI wireframe decks.
Standard IAB Advertising Placeholder Presets
| Standard Ad Name | Dimensions (Width x Height) | Aspect Ratio & Placement |
|---|---|---|
| Medium Rectangle (MPU) | 300 x 250 px | 6:5 (Sidebar & in-article feed). |
| Leaderboard | 728 x 90 px | 8:1 (Top header leaderboard banner). |
| Half Page / Skyscraper | 300 x 600 px | 1:2 (Sticky desktop sidebar display). |
Frequently Asked Questions
Can I use direct URL links in my HTML development code?
Yes. You can link directly to placeholder images using intuitive URL patterns like `https://smallseo.tools/api/placeholder/600/400?text=Hero+Banner` for dynamic wireframing.
What standard banner ad sizes are supported?
We provide one-click presets for all IAB ad banner sizes, including Medium Rectangle (300x250), Leaderboard (728x90), Half Page (300x600), and Mobile Leaderboard (320x50).
Are SVG vector placeholders supported?
Yes. SVG placeholders are ultra-lightweight (under 1KB) and scale infinitely without pixelation, making them ideal for responsive design mockups.
Can I customize the placeholder text and font size?
Yes. You can customize the displayed text string, font size, and foreground/background HEX color codes.
Is this placeholder generator free for commercial projects?
Yes. You can generate unlimited dummy images for commercial websites, client presentations, and open-source projects without attribution.
Related Image Tools
View all Image Tools →Reverse Image Search
Reverse Google Image Search and also Reverse Bing and Yandex image search will help you trace the original source of photographs, memes and profile pictures. If you are owner of images you can trace the copycats.
Color Picker Online
HTML CSS HEX RGB and HSL Color Picker. Click on the image of color palette to get the colors. Drag and Drop colors to compare them.
RGB to Hex and HSL
Generate HEX code from any RGB code with our easy to use tool. Just enter the RGB values and click convert to get both Hex and HSL values.