png
2.9 KB
Black & White Checkerboard
A pure black-and-white checkerboard, useful for testing scaling, aliasing, and edge handling.
- File
- PNG · Greyscale Set · 512 × 512 px
- Use case
- Image pipeline QA
Explore the test library
Find files, editable templates and browser test targets by what you need to make or test. The directory below is cut by format; the two collections under it cut the same library by subject and by workflow.
2343 results
Page 15 of 98; 24 results per page.
jpg
49.8 KB
Black woman mechanic in (JPEG q25)
The same plate encoded once at JPEG quality 25. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate p-mechanic-w.
- File
- JPG · JPEG Artefacts · 1024 × 1024 px
- Use case
- Media handling· Conversion set
jpg
72 KB
Black woman mechanic in (JPEG q50)
The same plate encoded once at JPEG quality 50. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate p-mechanic-w.
- File
- JPG · JPEG Artefacts · 1024 × 1024 px
- Use case
- Media handling· Conversion set
jpg
105 KB
Black woman mechanic in (JPEG q75)
The same plate encoded once at JPEG quality 75. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate p-mechanic-w.
- File
- JPG · JPEG Artefacts · 1024 × 1024 px
- Use case
- Media handling· Conversion set
jpg
179 KB
Black woman mechanic in (JPEG q90)
The same plate encoded once at JPEG quality 90. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate p-mechanic-w.
- File
- JPG · Comfy Realism · 1024 × 1024 px
- Use case
- Media handling· Conversion set
png
1.3 MB
Black woman mechanic in (lossless PNG)
A synthetic photographic plate of a person at work, 1024x1024, lossless PNG. This is the reference every lossy variant in this group is derived from Plate p-mechanic-w.
- File
- PNG · Comfy Realism · 1024 × 1024 px
- Use case
- Media handling· Conversion set
webp
91.5 KB
Black woman mechanic in (WebP q85)
The same plate as WebP at quality 85, for format-handling coverage beside the PNG and JPEG encodings of identical pixels Plate p-mechanic-w.
- File
- WEBP · Raster Formats · 1024 × 1024 px
- Use case
- Media handling· Conversion set
png
234 B
Black-to-White Tonal Ramp
A continuous linear greyscale ramp from black to white, useful for spotting banding and gamma issues.
- File
- PNG · Greyscale Set · 512 × 64 px
- Use case
- Greyscale testing
jpg
45.6 KB
Book cover artwork, empty rain (JPEG q25)
The same plate encoded once at JPEG quality 25. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-thrill.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
72.1 KB
Book cover artwork, empty rain (JPEG q50)
The same plate encoded once at JPEG quality 50. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-thrill.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
113.7 KB
Book cover artwork, empty rain (JPEG q75)
The same plate encoded once at JPEG quality 75. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-thrill.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
208.9 KB
Book cover artwork, empty rain (JPEG q90)
The same plate encoded once at JPEG quality 90. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-thrill.
- File
- JPG · Comfy Realism · 832 × 1216 px
- Use case
- Media handling· Conversion set
png
1 MB
Book cover artwork, empty rain (lossless PNG)
A synthetic photographic plate of wordless portrait cover artwork, 701x1024, lossless PNG. This is the reference every lossy variant in this group is derived from Plate c-book-thrill.
- File
- PNG · Comfy Realism · 701 × 1024 px
- Use case
- Media handling· Conversion set
webp
116 KB
Book cover artwork, empty rain (WebP q85)
The same plate as WebP at quality 85, for format-handling coverage beside the PNG and JPEG encodings of identical pixels Plate c-book-thrill.
- File
- WEBP · Raster Formats · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
27.5 KB
Book cover artwork, misty (JPEG q25)
The same plate encoded once at JPEG quality 25. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-nature.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
40.3 KB
Book cover artwork, misty (JPEG q50)
The same plate encoded once at JPEG quality 50. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-nature.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
60.8 KB
Book cover artwork, misty (JPEG q75)
The same plate encoded once at JPEG quality 75. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-nature.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
110 KB
Book cover artwork, misty (JPEG q90)
The same plate encoded once at JPEG quality 90. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-nature.
- File
- JPG · Comfy Realism · 832 × 1216 px
- Use case
- Media handling· Conversion set
png
765.4 KB
Book cover artwork, misty (lossless PNG)
A synthetic photographic plate of wordless portrait cover artwork, 701x1024, lossless PNG. This is the reference every lossy variant in this group is derived from Plate c-book-nature.
- File
- PNG · Comfy Realism · 701 × 1024 px
- Use case
- Media handling· Conversion set
webp
54.6 KB
Book cover artwork, misty (WebP q85)
The same plate as WebP at quality 85, for format-handling coverage beside the PNG and JPEG encodings of identical pixels Plate c-book-nature.
- File
- WEBP · Raster Formats · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
64.7 KB
Book cover artwork, weathered (JPEG q25)
The same plate encoded once at JPEG quality 25. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-hist.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
102.7 KB
Book cover artwork, weathered (JPEG q50)
The same plate encoded once at JPEG quality 50. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-hist.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
159.6 KB
Book cover artwork, weathered (JPEG q75)
The same plate encoded once at JPEG quality 75. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-hist.
- File
- JPG · JPEG Artefacts · 832 × 1216 px
- Use case
- Media handling· Conversion set
jpg
283.8 KB
Book cover artwork, weathered (JPEG q90)
The same plate encoded once at JPEG quality 90. Blocking and ringing are bounded by that single pass, so a restorer can be scored against the PNG reference in this group rather than against an opinion Plate c-book-hist.
- File
- JPG · Comfy Realism · 832 × 1216 px
- Use case
- Media handling· Conversion set