Placeholder Generator

This tool generates placeholder images entirely in your browser using the HTML Canvas API. No images are uploaded or processed on a server.

Features

• Custom Dimensions: Set any width and height from 1×1 to 4096×4096 pixels
• Quick Presets: Common sizes for web, social media, ads, and favicons
• Custom Colors: Choose background and text colors via picker or hex input
• Custom Text: Override the default dimension label with your own text
• Multiple Formats: Download as PNG (lossless), JPEG (smaller file), WebP (modern), or SVG (scalable)
• Data URL: Copy the image as a base64 data URL for embedding directly in HTML or CSS

Common Use Cases

• Wireframing and prototyping layouts before final assets are ready
• Testing responsive designs with various image dimensions
• Creating placeholder content for design mockups and presentations
• Generating correctly sized images for social media templates
• Quick ad banner or hero image placeholders during development

You can embed this util on your own site as a widget. Adding ?embed=1 to the URL loads a compact version with just the tool itself; no header, menu, or documentation. Paste this snippet into your HTML:

Copy snippet Adjust the height to taste.