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Generate placeholder images by size and text. Use for mockups; for editing photos use image-resizer. Input: dimensions + options. Returns PNG download. 100% client-side, files never leave browser.
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Generates placeholder images in multiple formats (SVG, PNG, JPEG, WebP) with customizable dimensions, colors, and text overlay. Features gradient backgrounds, noise texture overlays, preset configuration themes (e.g., Bootstrap, Material, plain), border radius control, and a batch strip mode for generating multiple images at once.
Design mockups and development prototypes need placeholder images to test layouts before final assets are ready. Eliminates reliance on external placeholder services and provides format flexibility for different testing scenarios.
This tool is part of the DevStackIO platform — a collection of free online developer tools from DevStackIO. Browse more free developer resources on DevStackIO.
Web designers, frontend developers, UI/UX designers, and anyone creating wireframes or prototypes that require image placeholders.
Set the image dimensions using width and height fields; maintain aspect ratio with the lock toggle
Select the output format: SVG (scalable, smallest size), PNG (raster, lossless), JPEG (raster, smaller), or WebP (modern format)
Choose a background type: Solid color (pick from palette or custom hex), Gradient (linear/radial with 2 colors), or Noise texture
Configure text overlay: enter text, adjust font size, and pick text color; position with alignment options
Set border radius for rounded corners (0-50px); apply via CSS for SVG or raster rendering for bitmap formats
Use batch strip mode (enable toggle) to generate a horizontal strip of multiple images with sequential labels
Settings: 800x600, PNG, Solid blue (#3B82F6), white text "Hero Image" -> Output: 800x600 PNG placeholder with blue background and centered white textSettings: Batch strip mode, 4 images 200x200 each, SVG, alternating colors -> Output: 800x200 SVG strip with 4 colored squares labeled Image 1-4Can I use the generated images in production?
The images are for development/design purposes; replace with real images before production deployment.
What's the maximum resolution supported?
SVG has no resolution limit; PNG/JPEG/WebP are capped at 8192x8192 pixels.
Are the images generated client-side or server-side?
All generation happens in-browser using Canvas API for raster and markup for SVG; no server calls.
Can I customize the gradient direction?
Yes, you can choose between linear (top-to-bottom, left-to-right, diagonal) and radial gradient types.
Authoritative specifications, standards, and in-depth reading for Placeholder Image Generator.
Compress JPEG, PNG, and WebP images in your browser. Reduce file size without visible quality loss.
Resize images by width/height or percent. Use when dimensions must change; for smaller files use image-compressor. Input: image ≤10MB. Returns resized PNG/JPEG/WebP. 100% client-side, files never leave browser.
Crop images with aspect presets and free select. Use when trimming; for scaling use image-resizer. Input: image ≤10MB. Returns cropped PNG/JPEG. 100% client-side, files never leave browser.
Add text or logo watermark to images. Use for branding; for cropping use image-cropper. Input: image ≤10MB. Returns watermarked image. 100% client-side, files never leave browser.
Embed raster images as SVG. Use when needing SVG wrappers; for optimizing vectors use svg-optimizer. Input: image ≤10MB. Returns SVG. 100% client-side, files never leave browser.
Combine images into a grid collage. Use for side-by-side; for animation use gif-maker. Input: images ≤10MB. Returns collage PNG. 100% client-side, files never leave browser.
Rotate images 90, 180, or 270 degrees and flip them horizontally or vertically. Preview and download — files never leave your browser
Generate favicons (16/32/180 PNG + ICO) from one image. Use for site icons; for compression use image-compressor. Input: image ≤10MB. Returns favicon set + HTML. 100% client-side, files never leave browser.