A resolution ladder and varied aspect ratios for exercising thumbnail and preview generators.
A fruit still life rendered at 16×16 (16px thumbnail) with a faint registration grid — part of a ladder from 16px to 4K for testing scaling, thumbnail generation, and responsive layout on recognisable content.
A fruit still life rendered at 256×256 (256px) with a faint registration grid — part of a ladder from 16px to 4K for testing scaling, thumbnail generation, and responsive layout on recognisable content.
A fruit still life rendered at 1920×1080 (1080p 16:9) with a faint registration grid — part of a ladder from 16px to 4K for testing scaling, thumbnail generation, and responsive layout on recognisable content.
A fruit still life rendered at 2560×1440 (1440p 16:9) with a faint registration grid — part of a ladder from 16px to 4K for testing scaling, thumbnail generation, and responsive layout on recognisable content.
A fruit still life rendered at 3840×2160 (4K 16:9) with a faint registration grid — part of a ladder from 16px to 4K for testing scaling, thumbnail generation, and responsive layout on recognisable content.
A fruit still life rendered at 1080×1920 (vertical 9:16) with a faint registration grid — part of a ladder from 16px to 4K for testing scaling, thumbnail generation, and responsive layout on recognisable content.
A clean bar chart of monthly revenue with axis labels, gridlines, and value labels — a real-world fixture for testing chart-extraction and OCR tools, vision models, and thumbnail rendering.
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.
A five-slice pie chart of traffic sources with percentage labels and a legend — a real-world fixture for chart-recognition, segmentation, and OCR of embedded text.
A scatter plot of 120 seeded points (order value versus items per order) showing a positive correlation, with labelled axes — for testing point-cloud extraction and chart parsing.
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.
A flat vector landscape — gradient sky, sun, layered hills, and trees built from bezier paths — a richer SVG for testing gradient and path rendering, thumbnailing, and vector conversion.
A 150×150 placeholder image with its dimensions labelled on a coloured grid — a drop-in stand-in for testing layouts, responsive images, and thumbnail generation. Part of an avatar-to-Full-HD placeholder pack.
A 320×320 placeholder image with its dimensions labelled on a coloured grid — a drop-in stand-in for testing layouts, responsive images, and thumbnail generation. Part of an avatar-to-Full-HD placeholder pack.
A 640×480 placeholder image with its dimensions labelled on a coloured grid — a drop-in stand-in for testing layouts, responsive images, and thumbnail generation. Part of an avatar-to-Full-HD placeholder pack.
A 800×600 placeholder image with its dimensions labelled on a coloured grid — a drop-in stand-in for testing layouts, responsive images, and thumbnail generation. Part of an avatar-to-Full-HD placeholder pack.
A 1200×630 placeholder image with its dimensions labelled on a coloured grid — a drop-in stand-in for testing layouts, responsive images, and thumbnail generation. Part of an avatar-to-Full-HD placeholder pack.
A 1920×1080 placeholder image with its dimensions labelled on a coloured grid — a drop-in stand-in for testing layouts, responsive images, and thumbnail generation. Part of an avatar-to-Full-HD placeholder pack.
A 256×256 identicon-style avatar generated deterministically from the seed “ada-lovelace” — a symmetric 5×5 block pattern like the default avatars on many sites. For testing avatar rendering, placeholder generation, and image pipelines.
A 256×256 identicon-style avatar generated deterministically from the seed “grace-hopper” — a symmetric 5×5 block pattern like the default avatars on many sites. For testing avatar rendering, placeholder generation, and image pipelines.
A 256×256 identicon-style avatar generated deterministically from the seed “alan-turing” — a symmetric 5×5 block pattern like the default avatars on many sites. For testing avatar rendering, placeholder generation, and image pipelines.
A 256×256 identicon-style avatar generated deterministically from the seed “katherine-johnson” — a symmetric 5×5 block pattern like the default avatars on many sites. For testing avatar rendering, placeholder generation, and image pipelines.
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