
JPEG Artefacts — Quality 40 (512px)
Fruit still life saved at JPEG quality 40 — heavy blocking/ringing for artefact-removal and enhance tools.
- File
- JPG · JPEG Artefacts · 512 × 512 px
- Use case
- Image enhancementCompression testing+1· Conversion set
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Fruit still life saved at JPEG quality 40 — heavy blocking/ringing for artefact-removal and enhance tools.

Fruit still life saved at JPEG quality 5 — heavy blocking/ringing for artefact-removal and enhance tools.

The same 512px source saved at JPEG quality 10 — part of a q10/50/90 ladder for comparing compression artefacts at a glance.

The same 512px source saved at JPEG quality 50 — part of a q10/50/90 ladder for comparing compression artefacts at a glance.

The same 512px source saved at JPEG quality 90 — part of a q10/50/90 ladder for comparing compression artefacts at a glance.

A two-series line chart (desktop vs. mobile visitors) with markers, a legend, and gridlines — for testing chart parsing, trend extraction, and image pipelines against a known plot.

64×64 linear 16-bit checkerboard TIFF for bit-depth and downsample tests.

64×64 linear 16-bit greyscale TIFF with deflate — Wave H depth for high bit-depth loaders.

LZW twin of the Wave H linear 16-bit greyscale TIFF.

A linear 16-bit greyscale TIFF ramp (0–65535). Not a PQ HDR master — for testing high bit-depth TIFF loaders and 16→8 truncation.

A 16-bit TIFF biased into the upper code values (near clip) — for highlight-rolloff and tone-map tests on linear data.

Linear 16-bit TIFF with a dark edge and near-clip field — tone-map edge case.
A generic sample brand logo as scalable vector graphics — a gradient mark plus a wordmark — for testing SVG rendering, rasterisation, and vector-to-raster conversion. Opens in the in-browser editor.

Clean RGB composite of the fine-fringe soft-alpha subject on a neutral grey — paired input for matte extractors.

Soft-alpha cut-out (hair edges: fine-fringe) for alpha-matting / background-removal quality tests.

Clean RGB composite of the fur-edge soft-alpha subject on a neutral grey — paired input for matte extractors.

Soft-alpha cut-out (hair edges: fur-edge) for alpha-matting / background-removal quality tests.

Clean RGB composite of the glass-rim soft-alpha subject on a neutral grey — paired input for matte extractors.

Soft-alpha cut-out (soft edges: glass-rim) for alpha-matting / background-removal quality tests.

Clean RGB composite of the hair-strands soft-alpha subject on a neutral grey — paired input for matte extractors.

Soft-alpha cut-out (hair edges: hair-strands) for alpha-matting / background-removal quality tests.

Clean RGB composite of the plant-edge soft-alpha subject on a neutral grey — paired input for matte extractors.

Soft-alpha cut-out (soft edges: plant-edge) for alpha-matting / background-removal quality tests.

Clean RGB composite of the soft-edge-blob soft-alpha subject on a neutral grey — paired input for matte extractors.
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