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Developer test assets

Sample WebP files for testing

Lossy, lossless, transparent, animated, and metadata-bearing WebP files for browser and upload testing.

Convert JPG to WebPDownload all 7 filesCC0 · No signup · Direct downloads

Download individual files

Preview of river buffalo

River buffalo

Lossy VP8 encoding

buffalo-lossy.webp
Dimensions
600 x 800
Size
77.1 KB
MIME type
image/webp
SHA-256 checksumd9c0eb710a8fc33939b49a6401d9a4a3ac3c7e18abfca46fe010d46ae9340083
Download buffalo-lossy.webp
Preview of antelope pair

Antelope pair

Lossless WebP encoding

antelope-lossless.webp
Dimensions
900 x 1200
Size
897.0 KB
MIME type
image/webp
SHA-256 checksumfc7306ed4117d68e4642dd71eb92ec77ce254636927807f9a68a09c4b2d4bda3
Download antelope-lossless.webp
Preview of lion pride transparency

Lion pride transparency

RGBA alpha transparency

lion-alpha.webp
Dimensions
800 x 600
Size
597.0 KB
MIME type
image/webp
SHA-256 checksum44e5a048306895a21e8e030165b76d432b2b6c6585c4256161f0f6daa6da21a1
Download lion-alpha.webp
Preview of wildlife animation

Wildlife animation

Animated WebP with looping frames

wildlife-loop.webp
Dimensions
480 x 480
Size
142.8 KB
MIME type
image/webp
SHA-256 checksum2efb1fef7af93e9ec6cc19a7fd18e01c4d8932eaa82eb7da1a20c883dd02c637
Download wildlife-loop.webp
Preview of desert exif

Desert EXIF

WebP with embedded EXIF tags

desert-exif.webp
Dimensions
600 x 800
Size
27.2 KB
MIME type
image/webp
SHA-256 checksum093ef38d919d38402cd85537a52a90b8b5b6faff59f7c9938845b573f92bf1f0
Download desert-exif.webp
Preview of desert single-play animation

Desert single-play animation

Two frames with loop count 1

desert-single-play.webp
Dimensions
480 x 480
Size
67.4 KB
MIME type
image/webp
SHA-256 checksum7a0b7787118f85a6f82874901acc745df9b816421d9d0d7db357145c01b434e8
Download desert-single-play.webp
Preview of canyon odd dimensions

Canyon odd dimensions

Odd-width and odd-height VP8 fixture

canyon-odd-321x241.webp
Dimensions
321 x 241
Size
15.9 KB
MIME type
image/webp
SHA-256 checksume75957062c8b399517760a17cc28054b71a2a5a82243dafe4590b216e8442655
Download canyon-odd-321x241.webp

Animated fixture included

WebP is four test cases, not one

A decoder can support ordinary lossy WebP while mishandling lossless data, alpha transparency, or animation. Exercise each capability independently.

Animated WebP alternating between two wildlife photographs

WebP capability matrix

VariantPrimary testCommon failure
LossyVP8 decodingColour or quality differences
LosslessVP8L decodingUnexpected file-size limits
TransparentAlpha channelBlack or opaque background
AnimatedFrames and loop countOnly the first frame renders
MetadataEXIF extractionTags stripped during processing

WebP testing questions

Why does an animated WebP appear static?

Some image pipelines decode only the first frame. Test the final display and any resizing service independently.

Is lossless WebP always smaller than PNG?

No. Results depend on image content and encoder settings, so test representative photographs and graphics.

Fixture integrity

Verified properties, not renamed files

Each WebP download is inspected as binary image data. Dimensions, file size, MIME type, format-specific properties, and the published SHA-256 checksum are checked after generation.

  • ✓ VP8 and VP8L bitstreams
  • ✓ Frame and loop counts
  • ✓ EXIF metadata chunk
  • ✓ Alpha and odd dimensions

What this collection tests

  • ✓lossy and lossless decoding
  • ✓alpha transparency
  • ✓animation loop handling
  • ✓EXIF metadata
  • ✓odd dimensions
  • ✓image/webp validation

Use in automated tests

Every file has a stable direct URL and SHA-256 checksum, making it suitable for upload fixtures, decoder tests, CI pipelines, and documentation.

curl -O https://crestconvert.com/test-files/webp/buffalo-lossy.webp