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One example per test family, with matching variants on its card. 18 results per page.
Logs
A .NET exception whose inner exception is introduced by the ---> marker and closed by End of inner exception stack trace, wrapped in pipe-delimited log lines. Error groupers that key on the outermost message alone merge
Dotnet
A Arabic (Egypt) resource file built around composite format strings: {0:N2}, {2:P1}, {0:C}, {0:d} and {0:t}, whose rendered output depends entirely on CultureInfo. Includes a whitespace-significant resource guarded by x
Dotnet
A .NET Resources.resx file (English) with the standard ResX schema and resheader block plus name/value string data and comments, using {0} composite-format placeholders.
Reference Tones
A pure 1000 Hz sine tone, 3 seconds, 16-bit 44.1 kHz mono: a clean reference signal for level metering, spectrum analysis, and waveform rendering.
Sample Rate Ladder
A 1 kHz sine tone sampled at 16000 Hz: part of a sample-rate ladder (8/16/44.1/48/96 kHz) of the identical tone, for testing resampling, sample-rate detection, and aliasing.
A ten-page PDF with a table of contents and a full bookmark outline (10 entries), for testing PDF navigation, outline parsing, and page extraction.
CSV
A CSV with 10,000 data rows, for testing streaming parsers, memory handling, and import performance.
Color And Metadata
A 16-bit (deep-colour) grayscale PNG holding a smooth 0–65535 gradient, for testing high-bit-depth support and spotting banding when a tool truncates to 8-bit.
Greyscale Set
A 16-step greyscale wedge from pure black to pure white, for testing tone reproduction, banding, and monitor calibration.
Reference Tones
A pure 220 Hz sine tone, 3 seconds, 16-bit 44.1 kHz mono: a clean reference signal for level metering, spectrum analysis, and waveform rendering.
3gp
The clip as 3GP: the 3GPP mobile container from the feature-phone era. For testing 3GP demuxing and conversion.
Mesh
A 10 mm cube as 3MF: the modern OPC-packaged manufacturing format (a ZIP of model XML plus relationships). For testing 3MF readers and slicers.
Reference Tones
A pure 440 Hz sine tone, 3 seconds, 16-bit 44.1 kHz mono: a clean reference signal for level metering, spectrum analysis, and waveform rendering.
Bit Depth Ladder
A 440 Hz sine tone stored as 16-bit PCM: part of a bit-depth ladder (8/16/24-bit) of the identical tone, for testing bit-depth conversion, dithering, and quantisation-noise handling.
Core Set
A five-slide pitch-deck skeleton: title, problem, solution, market and traction, and the ask.
Channels
A six-channel 5.1 surround WAV that plays a 1-second tone in each channel in turn, in the standard WAV order (FL, FR, C, LFE, SL, SR). A fixture for testing multichannel decoding, downmixing, and channel-order handling.
A 50-page, text-light PDF, for testing page-count handling, pagination, and large-document navigation without a large file.
Greyscale Set
A flat 50% grey card (rgb 128,128,128), a reference for white balance and exposure testing.
Synthetic photographs and renders grouped by subject
Connected datasets, reusable templates and import checks
Images
2343 files
Enhancement, segmentation, OCR, diff, and vision fixtures.
Audio
396 files
Reference tones, ASR pairs, loudness, and trim fixtures.
Documents
531 files
PDFs, Office files, annotations, markup, and text encodings.
Data
1255 files
CSV, JSON, schemas, APIs, and time series, clean and messy.
Templates
241 docs · visual studio
Visual scenes + document starting points, with a local Studio.
Archives
131 files
ZIP, TAR, gzip, 7z, and ISO, nested, unicode, empty, and encrypted.
E-books
90 files
EPUB, FB2, and CBZ, valid, intentionally invalid, and comic archives.
Models
192 files
3D and CAD formats, STL, OBJ, 3MF, DXF, STEP, IGES, and EPS.
Fonts
100 files
TTF, OTF, WOFF, and WOFF2, one demo typeface across formats.
Video
444 files
MP4, WebM, MKV, MOV, AVI, and OGV, one clip across the common codecs.
110 files
RFC 822 .eml messages and .mbox mailboxes for email parsers.
AI / ML
124 files
Training data, embeddings, annotations, and eval sets for ML pipelines.
Source code
125 files
Idiomatic hello-world and real snippets across 16 programming languages.
Web assets
146 files
Favicons, PWA manifests, service workers, robots/sitemap, OG cards, and .well-known files.
Localization
161 files
Translation catalogs (PO/POT, XLIFF, .strings, ARB, Android XML, RESX, i18next) with RTL and CJK.
Security
135 files
PKI, JWT/JWKS, OAuth tokens, CORS/CSP headers, and SSH SAMPLE fixtures.
Testing & QA
142 files
JUnit, TAP, Gherkin, coverage, and HAR, the reports CI actually parses.
Version control
88 files
Unified diffs, patches, conflict markers, and repository config files.
Observability
120 files
OTLP traces, Prometheus metrics, structured logs, and alert payloads.
Supply chain
116 files
SBOMs, lockfiles, provenance attestations, and vulnerability reports.
Geospatial
158 files
GeoJSON, shapefiles, KML/KMZ, GeoPackage, WKT, and GPS traces.
Scientific
128 files
Chemistry, bioinformatics, gridded data, and citation formats.
Pipelines
115 files
CI/CD workflows, IaC configs, build files, and orchestration DAGs.
Prompts
300 files
Provider-neutral plans, message fixtures, tool calls, and evaluation contracts.
Creator audio
325 files
Foley, ambience, voice, stems, cue sheets, and controlled editing cases.
Creator video
325 files
B-roll, social variants, overlays, timelines, captions, and sync references.
Forms
Live examples
Live demos plus HTML and AcroForm fixtures for real-life use cases.
