dummyimages.dev / toolbox
Image tools for developers
Create dummy images, check uploads, and test image formats — simple and free to use.
Dummy Image Generator
Create sized placeholder images with custom colors, text, formats, and shareable URLs.
Image File Size Generator
Generate images targeting a specific approximate file size for upload limits.
Transparent Image Generator
Create PNG/WebP images with full or partial transparency.
Random Image Generator
Produce deterministic or seeded random test images.
Huge Image Generator
Create large-dimension images for memory and timeout testing.
Tiny Image Generator
Generate minimal 1×1 and other tiny assets for edge cases.
Extreme Aspect Ratio Generator
Build ultra-wide or ultra-tall images for layout stress tests.
Corrupted Image Generator
Produce intentionally broken image binaries for error-path testing.
Wrong Extension Generator
Serve valid image data with mismatched file extensions.
RGB Image Generator
Create RGB color-space images for pipeline validation.
CMYK JPEG Generator
Generate CMYK JPEGs to test color-space handling.
Grayscale Image Generator
Produce grayscale test images in common formats.
Progressive JPEG Generator
Create progressive JPEGs for decode and preview testing.
Image Format Converter
Convert between JPG, PNG, WebP, AVIF, and more.
EXIF Image Generator
Embed controlled EXIF metadata into test images.
EXIF Orientation Test
Generate orientation-flagged images for rotation handling checks.
Remove Image Metadata
Strip EXIF and other metadata from uploaded images.
Image Inspector
Analyze format, dimensions, color space, and metadata of any image.