An online tool to instantly generate placeholder (dummy) images for web development and design. Customize size, color, and text.
Generate images with specified dimensions and text (widthΓheight, etc.) overlaid. Supports PNG, WebP, and SVG formats.
All processing is done in your browser β no data is ever sent to any server.
π° How to Use
Set dimensions
Enter width Γ height in pixels, or select from preset sizes.
Customize colors and text
Set the background color, text color, and display text.
Download the image
Choose PNG, WebP, or SVG format and download your dummy image.
π Glossary
Placeholder Image
A temporary image used during development in place of final artwork, typically showing dimensions for layout confirmation.
OGP Image Size
The recommended image size for social media sharing previews. 1200Γ630px is standard.
Thumbnail
A reduced-size version of an image used for preview purposes in listings and galleries.
Responsive Image
A technique for displaying the optimal image size based on the viewer's screen size.
Aspect Ratio
The proportional relationship between an image's width and height. Choosing the right ratio is crucial for each use case.
β FAQ
Q. Is there a maximum size limit?
A. It depends on your browser's memory, but images of several thousand pixels can be generated without issues.
Q. Does it support transparent backgrounds?
A. Yes, you can generate dummy images with transparent backgrounds in PNG format.
Q. Can I use it as an API?
A. This tool is GUI-based. URL parameter-style API is not supported.
Q. Is my data sent to a server?
A. No. Everything runs entirely in your browser.
Q. Does it work on smartphones?
A. Yes. It's fully responsive.
π‘ Use Cases
π»
Web Development
Quickly generate placeholder images for layout confirmation.
π¨
UI Design
Prepare dummy images for wireframes and mockups.
π
Presentations
Insert temporary images for layout adjustment in presentation materials.
π
Documentation
Insert dimension-labeled images into specs and manuals.
π What Are Dummy / Placeholder Images?
Purpose of Dummy Images
Dummy images (placeholder images) are temporary images placed in web and app design mockups and wireframes before final image assets are ready. Using gray images with dimension labels helps communicate layout intent accurately to team members.
Use in Coding & Implementation
Front-end engineers use them as substitutes for image URLs during coding, and they serve as dummy content in WordPress and other CMS platforms. Downloaded files can be used offline without depending on external URLs.
Benefits of SVG Format
SVG is a vector format that renders crisply at any resolution. Content can be edited in text editors, making it convenient for design tool integration. File sizes remain extremely small.
π Standard Web Ad Banner Sizes (Google Ads / IAB Standards)
Most Effective Banner Sizes (Google Recommended)
On the Google Display Network (GDN), 300Γ250 (Medium Rectangle) receives the most impressions, followed by 728Γ90 (Leaderboard), 160Γ600 (Skyscraper), and 300Γ600. Preparing banners in these sizes maximizes ad placement coverage.
Responsive Ad Images
Responsive display ads require two types of images: landscape (1.91:1) at 1200Γ628px and square at 1200Γ1200px. Minimum sizes are 600Γ314px (landscape) and 300Γ300px (square), with a file size limit of 5MB.
