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Quickly generate custom placeholder images with specific sizes, colors, and text. Perfect for web prototyping, documentation, and frontend development.
Adjust settings to preview placeholder
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
Set a width and height in pixels, choose background and text colors, and optionally add a short centered label. The generated image appears in a preview; you can download it or copy its Data URL. This fits mockups, layout checks, and documentation when final artwork is not ready. It does not create a permanently hosted image address that other people can fetch from a server.
The default canvas is 600 × 400 px. If the custom text is blank, the image displays the dimensions instead. Each dimension is rounded to a whole pixel and kept between 1 and 5,000 px. The preview is scaled to fit its display area, while the exported bitmap uses the dimensions you set.
PNG, JPG, and WebP are offered as export choices. A Data URL contains the image bytes encoded into a text URL; it can be convenient for embedding or copying between compatible tools, but it is not a short public link. The HTML Standard describes exporting canvas images as a Blob or Data URL. PNG is required by the standard; a browser may not support every requested optional image type and can return PNG instead.
Text is drawn as a single centered line with a size estimated from the canvas and text length. Very long labels or a very small canvas can make the text crowded or clipped, so inspect the preview before using the downloaded file.
Guide
Follow the workflow and verify inputs and outputs with practical examples.
Enter width and height in pixels or choose a preset such as 300 × 250, 600 × 400, 1,280 × 720, or 1,920 × 1,080.
Set a background color and a contrasting text color. Enter a brief label, or leave the text blank to use the current dimensions.
Choose PNG, JPG, or WebP, then review the preview and the listed pixel size. The preview’s on-screen dimensions may be smaller than the exported image.
Download the image file or copy its Data URL. Use the Data URL only where the receiving document or application accepts embedded image data.
For example, selecting 1,280 × 720 and leaving the label blank produces a landscape placeholder marked with its dimensions. The saved image remains 1,280 × 720 px even if the preview is shown smaller.
Use cases
See how the tool fits into real work and everyday tasks.
Make a temporary block at the intended pixel ratio so a page layout can be reviewed before photographs or final illustrations are ready.
Create a few common banner, card, or thumbnail dimensions and compare how the surrounding layout responds to different image proportions.
Add a short label or dimensions to a sample image for a guide, classroom handout, or internal design note, then save the file for that document.
Q&A
Find concise answers to common questions and confusing cases.
No. When the custom text is blank, the current width and height are drawn in the center.
The preview is fitted into the page’s display area. The exported bitmap retains the entered pixel dimensions; check the size setting or saved file properties.
No. Copy Image URL copies a Data URL containing the image itself. The tool does not host the file at a reusable public web address.
Canvas export support for optional formats depends on the browser. If a requested type is unsupported, the browser may return PNG; choose PNG when you need the standardized fallback.
Notes
Review scope, result limitations, and important precautions before use.
Very large dimensions or long text can take more memory to draw and may reduce readability. Inspect the resulting image for clipping, legibility, actual dimensions, and format compatibility before placing it in a deliverable. A Data URL includes the image data and can make a document or snippet large; it is not a substitute for a hosted asset when a permanent shared address is required.
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