Explore the test library

Enhancement, segmentation, OCR, diff, and vision fixtures.

Reference tones, ASR pairs, loudness, and trim fixtures.

PDFs, Office files, annotations, markup, and text encodings.

CSV, JSON, schemas, APIs, and time series — clean and messy.

Visual scenes + document starting points, with a local Studio.

ZIP, TAR, gzip, 7z, and ISO — nested, unicode, empty, and encrypted.

EPUB, FB2, and CBZ — valid, intentionally invalid, and comic archives.

3D and CAD formats — STL, OBJ, 3MF, DXF, STEP, IGES, and EPS.

TTF, OTF, WOFF, and WOFF2 — one demo typeface across formats.

MP4, WebM, MKV, MOV, AVI, and OGV — one clip across the common codecs.

RFC 822 .eml messages and .mbox mailboxes for email parsers.

Training data, embeddings, annotations, and eval sets for ML pipelines.

Idiomatic hello-world and real snippets across 16 programming languages.

Favicons, PWA manifests, service workers, robots/sitemap, OG cards, and .well-known files.

Translation catalogs — PO/POT, XLIFF, .strings, ARB, Android XML, RESX, i18next — with RTL and CJK.

PKI, JWT/JWKS, OAuth tokens, CORS/CSP headers, and SSH SAMPLE fixtures.

JUnit, TAP, Gherkin, coverage, and HAR — the reports CI actually parses.

Unified diffs, patches, conflict markers, and repository config files.

OTLP traces, Prometheus metrics, structured logs, and alert payloads.

SBOMs, lockfiles, provenance attestations, and vulnerability reports.

GeoJSON, shapefiles, KML/KMZ, GeoPackage, WKT, and GPS traces.

Chemistry, bioinformatics, gridded data, and citation formats.

CI/CD workflows, IaC configs, build files, and orchestration DAGs.

Provider-neutral plans, message fixtures, tool calls, and evaluation contracts.

Foley, ambience, voice, stems, cue sheets, and controlled editing cases.

B-roll, social variants, overlays, timelines, captions, and sync references.

Live demos plus HTML and AcroForm fixtures for real-life use cases.