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Placeholder Image Generator, Create Dummy Images in Your Browser

Generate placeholder images entirely in your browser. Set size, colors, text and format (PNG, JPEG, WebP or SVG), then download or copy a data URI.

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A placeholder image is a temporary stand-in graphic used while designing or developing a page before the real photos and illustrations are ready. This generator creates them instantly and entirely inside your browser: choose a width and height (from 1 up to 4000 pixels, with one-click presets for common sizes like 1920×1080 or 1200×630), pick a background and text color, optionally type your own label, and download the result as PNG, JPEG, WebP or SVG. By default the image is labelled with its own dimensions, the convention developers rely on to spot layout slots at a glance.

Frequently asked questions

What is a placeholder image used for?
Placeholder images reserve space in a layout before the final artwork exists. Designers drop them into wireframes and mockups, developers use them to test image slots, responsive behaviour and CMS templates, and testers use exact-size dummies to verify cropping and aspect-ratio logic. Labelling the image with its own dimensions makes each slot identifiable at a glance.
Does this tool contact a placeholder service like placehold.co?
No. Everything is generated locally in your browser using the canvas API or inline SVG markup. There are no network requests, no external service, no rate limits and no dependency that can go down. It works offline and never sees or stores anything you generate.
Which output format should I choose?
SVG is usually best for placeholders: it is tiny, scales perfectly to any resolution and can be pasted as code. Choose PNG when a tool in your pipeline requires a raster file, JPEG when you want the smallest raster at large photo-like sizes, and WebP for modern pipelines that support it. All four are generated locally.
What is a data URI and when should I use one?
A data URI embeds the whole image directly inside the HTML or CSS as a base64 (or URL-encoded SVG) string, for example src="data:image/png;base64,...". It is perfect for quick prototypes and single-file demos because there is no separate asset to host. Avoid huge data URIs in production, since they cannot be cached separately and inflate the document.
Why does the tool warn me that my data URI is large?
Base64 encoding makes binary data about 33% larger than the file itself, and the whole string lives inside your HTML or CSS. A 4000×4000 PNG can easily produce a multi-megabyte URI that slows editors and page loads. The warning appears so you can switch to a downloaded file or an SVG, which is dramatically smaller for flat-color images.
What is the maximum image size I can generate?
Width and height each accept values from 1 to 4000 pixels, which covers everything from a 1×1 tracking-pixel stand-in to 4K-and-beyond banners. The limit keeps canvas memory use reasonable on typical devices; browsers start failing silently on gigantic canvases, so the tool stays safely below those thresholds.
Can I put my own text on the placeholder?
Yes. By default the image shows its own dimensions, such as 800×600, which is the most useful label during development. Type anything in the text field to replace it, for example "Hero image", "Coming soon" or a client name. Leaving the field empty restores the automatic dimension label.
How is the font size chosen in auto mode?
Auto mode scales the label to roughly a fifth of the shorter side of the image, then shrinks it further if the text would overflow the width. That keeps short labels bold and readable while long custom text still fits inside narrow banners. Switch to manual mode to set an exact pixel size yourself.
Why is SVG often better than PNG for placeholders?
An SVG placeholder is just a few lines of markup: a rectangle and a text element. It typically weighs under half a kilobyte regardless of dimensions, stays razor sharp on any screen density, and can be edited by hand later. PNG and other rasters grow with pixel count and blur when scaled up.
Can I use the generated images commercially?
Yes. The output is a plain colored rectangle with text that you configured yourself; it contains no third-party artwork, fonts embedded from external services or licensed material. You can use the generated files in commercial mockups, products, documentation or anywhere else without attribution.

About Placeholder Image Generator, Create Dummy Images in Your Browser

Most placeholder services work by requesting an image from a remote server, which means every mockup you open fires network requests, breaks when you are offline, slows down local development and leaks your work-in-progress URLs to a third party. This tool does the same job with zero network involvement: the image is drawn on a canvas (or assembled as SVG markup) right on your device. Nothing is requested, uploaded or logged anywhere, previews render instantly, and the generator keeps working on a plane, behind a strict corporate firewall or in an offline demo environment.

Beyond downloading a file, you can copy the image as a data URI and paste it straight into an src attribute or a CSS background-image, which keeps quick prototypes completely self-contained with no asset files to manage. The tool warns you when a data URI is getting large, because base64 inflates file size by about a third and very large URIs bloat HTML and stylesheets. If you choose SVG output you can also copy the raw SVG code itself, which is usually the smallest and sharpest option since it scales to any resolution and often weighs only a few hundred bytes.

Typical uses include wireframes and design mockups, CMS seed data, unit and layout tests that need an image of an exact size, Open Graph and social card stand-ins (the 1200×630 preset), video thumbnails (1920×1080), and e-commerce grids waiting for product photography. Font size is calculated automatically so the label stays readable at any dimensions, or you can set it manually for a specific look. When the real assets arrive, the image resizer and favicon generator on this site help you prepare them, and the gradient generator can produce more decorative temporary backgrounds.

Lorem Ipsum for Pictures: How Placeholder Images Became a Web Staple

Long before the web, print designers marked unfinished layouts with the letters FPO, short for "for position only", stamped across temporary artwork so nobody would accidentally send a draft image to the printing press. Text got the same treatment through greeking and the famous Lorem Ipsum passage, scrambled Latin in use as filler since typesetters popularised it in the 1960s from a 1st-century text by Cicero. When design moved to screens, the FPO grey box came along and simply learned to describe itself, with its pixel dimensions printed across the middle.

The web made placeholders a service. In the early 2010s a wave of tiny single-purpose sites appeared where the URL itself was the API: placehold.it served grey boxes at any size you typed into the address, placekitten.com returned photographs of kittens cropped to your requested dimensions, and lorempixel, placebear, fillmurray (pictures of Bill Murray) and placecage (Nicolas Cage) followed the same recipe. Kitten and celebrity placeholders became a running joke in agency work, and more than one team has a story about a cat photo or Nicolas Cage accidentally surviving all the way to a client demo or a production release.

That convenience had a hidden cost: every remote placeholder is a network dependency. When the popular lorempixel service became unreliable and placehold.it changed domains, countless mockups, tutorials and even shipped codebases filled with broken images, a small reminder that hotlinked assets rot. Modern practice has swung back toward self-contained placeholders, tiny inline SVGs, base64 data URIs and locally generated files, which is exactly the approach this tool takes: the classic dimension-labelled grey box, minus the server.

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