Format coverage
Every file format we provide as a real, downloadable example — grouped by type. A format is marked Availableonly when an actual documented file exists in the library. We also list what's coming and what we don't support, with the honest reason why.
- 331
- Formats available
- 5075
- Example files
- 1
- Coming soon
- 11
- Not supported
Need to convert between these formats? Our sister tool does that.
Open the file converter →Images
Raster formats, edge cases, and rendered chart images.
- PNGAvailable398 files · view example →
- JPG / JPEGAvailable58 files · view example →
- WEBPAvailable5 files · view example →
- GIFAvailable2 files · view example →
- BMPAvailable1 file · view example →
- TIFFAvailable12 files · view example →
- AVIFAvailable1 file · view example →
- ICOAvailable3 files · view example →
- APNGAvailable1 file · view example →
- TGAAvailable1 file · view example →
- HEICAvailable1 file · view example →
- HEIFAvailable1 file · view example →
- PPMAvailable1 file · view example →
- PGMAvailable1 file · view example →
- PBMAvailable1 file · view example →
- SVGAvailable7 files · view example →
- JXLComing soonJPEG XL — pending a reliable encoder in the build pipeline.
- PSDNot supportedPhotoshop's layered binary format is impractical to author deterministically.
- Camera RAW (DNG, CR2, NEF, ARW…)Not supportedCamera-RAW formats require real sensor captures — no synthetic sample is meaningful.
- DJVUNot supportedNeeds the djvulibre toolchain, which is not installed.
Video
The same short clip across containers, codecs and pixel formats, plus AI task suites paired with their ground truth, playable HLS and DASH packages, multi-track subtitle and audio files, chapters and embedded metadata, timed-text sidecars, and intentionally-corrupt containers.
- MP4Available382 files · view example →
- WEBMAvailable48 files · view example →
- MKVAvailable38 files · view example →
- MOVAvailable3 files · view example →
- AVIAvailable6 files · view example →
- OGVAvailable2 files · view example →
- MPG / MPEGAvailable2 files · view example →
- M4VAvailable2 files · view example →
- 3GPAvailable2 files · view example →
- TS (MPEG-TS)Available2 files · view example →
- FLVAvailable2 files · view example →
- WMVAvailable2 files · view example →
- RealMedia (download-only)Available1 file · view example →
- CMX 3600 EDLAvailable15 files · view example →
- Final Cut Pro XMLAvailable15 files · view example →
- OpenTimelineIOAvailable15 files · view example →
Audio
Reference tones and codec conversions of the same source.
- WAVAvailable422 files · view example →
- MP3Available5 files · view example →
- FLACAvailable3 files · view example →
- OGGAvailable1 file · view example →
- OPUSAvailable1 file · view example →
- AACAvailable1 file · view example →
- M4AAvailable2 files · view example →
- AIFFAvailable2 files · view example →
- AUAvailable2 files · view example →
- WMAAvailable1 file · view example →
- AMRAvailable1 file · view example →
- AC3Available1 file · view example →
- M4RAvailable1 file · view example →
- DTS (download-only)Available1 file · view example →
- SMAF / MMF (download-only)Available1 file · view example →
- CUE sheetAvailable10 files · view example →
Documents & Office
PDFs, Word/Excel/PowerPoint, OpenDocument, and plain text — with OCR and review fixtures.
- PDFAvailable113 files · view example →
- DOCXAvailable47 files · view example →
- XLSXAvailable18 files · view example →
- PPTXAvailable4 files · view example →
- DOCAvailable1 file · view example →
- PPTAvailable1 file · view example →
- XLSAvailable1 file · view example →
- ODTAvailable2 files · view example →
- ODSAvailable2 files · view example →
- ODPAvailable2 files · view example →
- RTFAvailable2 files · view example →
- TXTAvailable154 files · view example →
- MDAvailable183 files · view example →
- HTMLAvailable148 files · view example →
- Forms Data Format (FDF)Available12 files · view example →
- XML Forms Data Format (XFDF)Available11 files · view example →
- LaTeXAvailable4 files · view example →
- AsciiDocAvailable1 file · view example →
- reStructuredTextAvailable1 file · view example →
- HL7 v2Available6 files · view example →
- X12 EDIAvailable8 files · view example →
- iWork (Pages, Numbers, Keynote)Not supportedApple's iWork formats are proprietary and undocumented.
Data & developer formats
Tabular, structured, binary/columnar, config, feeds, and dev fixtures.
- CSVAvailable204 files · view example →
- TSVAvailable2 files · view example →
- JSONAvailable723 files · view example →
- JSONL / NDJSONAvailable70 files · view example →
- XMLAvailable108 files · view example →
- YAML / YMLAvailable189 files · view example →
- SQLAvailable12 files · view example →
- SQLITEAvailable1 file · view example →
- PARQUETAvailable13 files · view example →
- ORCAvailable2 files · view example →
- FEATHERAvailable3 files · view example →
- AVROAvailable1 file · view example →
- MSGPACKAvailable1 file · view example →
- CBORAvailable1 file · view example →
- BSONAvailable1 file · view example →
- HDF5Available14 files · view example →
- DBFAvailable7 files · view example →
- Protobuf (binary)Available3 files · view example →
- TOMLAvailable7 files · view example →
- INIAvailable5 files · view example →
- Binary fixture data (.bin)Available9 files · view example →
- GEOJSONAvailable60 files · view example →
- GPXAvailable13 files · view example →
- KMLAvailable14 files · view example →
- ICSAvailable15 files · view example →
- VCFAvailable14 files · view example →
- LOGAvailable36 files · view example →
- GRAPHQLAvailable2 files · view example →
- PROTOAvailable6 files · view example →
- ENVAvailable8 files · view example →
- DOCKERFILEAvailable3 files · view example →
- WEBMANIFESTAvailable11 files · view example →
- GraphMLAvailable7 files · view example →
- GEXFAvailable5 files · view example →
Feeds & playlists
Syndication feeds, subscription lists, and media playlists.
- RSS 2.0Available2 files · view example →
- ATOMAvailable2 files · view example →
- JSON FeedAvailable723 files · view example →
- OPMLAvailable2 files · view example →
- M3U playlistAvailable1 file · view example →
- HLS (M3U8)Available13 files · view example →
- MPEG-DASH manifest (MPD)Available6 files · view example →
Subtitles & captions
The same captions across the common subtitle formats, plus synced lyrics.
- SubRip (SRT)Available33 files · view example →
- WebVTTAvailable27 files · view example →
- ASS (Advanced SSA)Available2 files · view example →
- SSA (SubStation Alpha)Available1 file · view example →
- SBV (YouTube)Available2 files · view example →
- TTML / DFXPAvailable3 files · view example →
- DFXP (TTML profile)Available1 file · view example →
- SCC (broadcast CEA-608)Available2 files · view example →
- CMAF segment (M4S)Available18 files · view example →
- LRC (synced lyrics)Available2 files · view example →
Notebooks & diagrams-as-code
Developer artifacts that tooling reads: Jupyter notebooks and text diagrams.
Archives & compression
Containers and single-file compressors, documented down to the member list.
- ZIPAvailable74 files · view example →
- TARAvailable23 files · view example →
- GZAvailable4 files · view example →
- BZ2Available1 file · view example →
- XZAvailable1 file · view example →
- TGZAvailable5 files · view example →
- TBZ2Available3 files · view example →
- TXZAvailable2 files · view example →
- JARAvailable2 files · view example →
- 7ZAvailable2 files · view example →
- ISOAvailable1 file · view example →
- ZstandardAvailable1 file · view example →
- LZ4Available1 file · view example →
- WARC (web archive)Available2 files · view example →
- CPIOAvailable2 files · view example →
- ar (Unix archive)Available2 files · view example →
- TAR.ZSTAvailable4 files · view example →
- TAR.BZ2Available1 file · view example →
- TAR.XZAvailable1 file · view example →
- RAR (download-only)Available1 file · view example →
- Windows Cabinet (download-only)Available1 file · view example →
Security & tokens
Sample X.509 certificates, keys, and tokens — clearly labelled, published sample material, no real secrets.
- JWT (JSON Web Token)Available21 files · view example →
- X.509 cert (PEM)Available30 files · view example →
- Certificate (.crt)Available4 files · view example →
- Certificate (DER)Available12 files · view example →
- Cert request (CSR)Available7 files · view example →
- Private key (PEM)Available12 files · view example →
- SSH public keyAvailable4 files · view example →
- PKCS#12 bundleAvailable4 files · view example →
- htpasswdAvailable4 files · view example →
- CORS / CSP header textAvailable16 files · view example →
- SSH configAvailable3 files · view example →
E-books
Structured e-book containers, valid and intentionally invalid.
- EPUBAvailable69 files · view example →
- FB2Available6 files · view example →
- CBZAvailable1 file · view example →
- MOBIAvailable1 file · view example →
- AZW3Available1 file · view example →
- Kindle AZW (unencrypted sample)Available1 file · view example →
- Comic Book RARAvailable1 file · view example →
- LRFNot supportedA legacy Sony format with no current readers.
3D, CAD & vector
One small documented solid across mesh, CAD, and interchange formats.
- STLAvailable9 files · view example →
- OBJAvailable12 files · view example →
- 3MFAvailable1 file · view example →
- GLBAvailable70 files · view example →
- GLTFAvailable11 files · view example →
- DXFAvailable2 files · view example →
- STEPAvailable2 files · view example →
- IGESAvailable1 file · view example →
- EPSAvailable1 file · view example →
- PLYAvailable13 files · view example →
- COLLADA (DAE)Available3 files · view example →
- VRML (WRL)Available1 file · view example →
- Wavefront material (MTL)Available2 files · view example →
- X3DAvailable1 file · view example →
- OFFAvailable1 file · view example →
- USDZAvailable3 files · view example →
- FBXAvailable1 file · view example →
- 3DSAvailable1 file · view example →
- AMFAvailable1 file · view example →
- LWOAvailable1 file · view example →
- VTKAvailable1 file · view example →
- VOXAvailable1 file · view example →
- Draco geometry (DRC)Available1 file · view example →
- CAD (DWG, DXF-binary, DWF)Not supportedProprietary binary CAD formats need licensed libraries.
- AI / CDR / EMF / WMFNot supportedProprietary vector formats with no open writer.
RFC 822 messages and mailboxes for email parsers.
- EML (RFC 822)Available104 files · view example →
- MBOXAvailable5 files · view example →
- Outlook MSGNot supportedOutlook's MSG is a proprietary OLE compound format — EML is the open equivalent we ship.
AI / ML datasets
Training data, embeddings, image annotations, and model weights — fully synthetic.
- JSONL (training data)Available70 files · view example →
- JSON (COCO, eval, QA)Available723 files · view example →
- Parquet (embeddings)Available13 files · view example →
- NumPy (.npy)Available23 files · view example →
- safetensors (weights)Available1 file · view example →
- CSV (metrics)Available204 files · view example →
- Pascal-VOC (XML)Available108 files · view example →
- ONNXAvailable4 files · view example →
- TFRECORDNot supportedTFRecord is a TensorFlow-specific protobuf stream with no general tooling.
Source code
Idiomatic hello-world and realistic snippets across many programming languages.
- PythonAvailable10 files · view example →
- JavaScriptAvailable11 files · view example →
- TypeScript (.mts)Available4 files · view example →
- HTMLAvailable148 files · view example →
- CSSAvailable4 files · view example →
- JavaAvailable4 files · view example →
- CAvailable3 files · view example →
- C++Available3 files · view example →
- GoAvailable5 files · view example →
- RustAvailable5 files · view example →
- PHPAvailable4 files · view example →
- RubyAvailable4 files · view example →
- ShellAvailable4 files · view example →
- SQLAvailable12 files · view example →
- KotlinAvailable3 files · view example →
- SwiftAvailable3 files · view example →
- C#Available4 files · view example →
- DartAvailable3 files · view example →
- ElixirAvailable3 files · view example →
- ZigAvailable3 files · view example →
- ScalaAvailable3 files · view example →
- JuliaAvailable5 files · view example →
- HaskellAvailable5 files · view example →
- LuaAvailable5 files · view example →
- RAvailable4 files · view example →
- ClojureAvailable4 files · view example →
- FortranAvailable4 files · view example →
- NimAvailable5 files · view example →
Web assets
Favicons, PWA manifests, service workers, crawler files, social cards, and .well-known resources.
- Favicon (ICO)Available3 files · view example →
- Cursor (CUR)Available2 files · view example →
- SVG (favicon / sprite)Available7 files · view example →
- PNG (icons / OG cards)Available398 files · view example →
- Web app manifestAvailable11 files · view example →
- Service worker (JS)Available11 files · view example →
- sitemap / browserconfigAvailable108 files · view example →
- robots / humans / security.txtAvailable154 files · view example →
- .well-known (AASA, assetlinks)Available723 files · view example →
Scientific & research
Citation, chemistry, bioinformatics, and gridded scientific data formats — all synthetic.
- BibTeXAvailable5 files · view example →
- RIS (citations)Available1 file · view example →
- MDL MolfileAvailable4 files · view example →
- PDB (chemistry)Available1 file · view example →
- NetCDFAvailable9 files · view example →
- FITS (astronomy)Available12 files · view example →
- MDL SDfileAvailable2 files · view example →
- XYZ coordinatesAvailable2 files · view example →
- SMILESAvailable2 files · view example →
- CIF (crystallography)Available2 files · view example →
- FASTA (sequences)Available3 files · view example →
- FASTQ (reads)Available3 files · view example →
- SAM (alignments)Available1 file · view example →
- BED (intervals)Available1 file · view example →
- GFF3 (annotations)Available1 file · view example →
- Newick (phylogeny)Available2 files · view example →
- Matrix MarketAvailable7 files · view example →
- HDF5 (gridded data)Available14 files · view example →
Localization
Translation-catalog formats from one message set, with RTL and CJK variants.
- gettext POAvailable11 files · view example →
- gettext POTAvailable1 file · view example →
- XLIFF 2.0Available4 files · view example →
- XLIFF 1.2Available4 files · view example →
- Apple .stringsAvailable4 files · view example →
- Flutter ARBAvailable6 files · view example →
- .NET RESXAvailable6 files · view example →
- Android strings.xmlAvailable108 files · view example →
- Compiled gettext (MO)Available8 files · view example →
- Translation Memory eXchange (TMX)Available1 file · view example →
- i18next JSONAvailable723 files · view example →
- Fluent (.ftl)Available6 files · view example →
- Bilingual CSVAvailable204 files · view example →
- Qt Linguist (.ts)Available2 files · view example →
Fonts
One demonstration typeface across the common font wrappers.
- TTFAvailable66 files · view example →
- OTFAvailable5 files · view example →
- WOFFAvailable5 files · view example →
- WOFF2Available15 files · view example →
- Bitmap Distribution Format (BDF)Available1 file · view example →
- TTC collectionAvailable4 files · view example →
- EOTNot supportedEOT is a legacy Internet-Explorer-only format.
Testing & QA reports
The result and coverage formats CI systems emit and dashboards parse, plus captured traffic.
- JUnit / NUnit / Cobertura XMLAvailable108 files · view example →
- MSTest (TRX)Available1 file · view example →
- TAP (Test Anything Protocol)Available12 files · view example →
- Gherkin (.feature)Available7 files · view example →
- Robot FrameworkAvailable3 files · view example →
- LCOV tracefileAvailable11 files · view example →
- Cucumber / Playwright / Istanbul JSONAvailable723 files · view example →
- HAR (HTTP archive)Available14 files · view example →
- CSV (perf results)Available204 files · view example →
- Markdown (test plans)Available183 files · view example →
Version control
Unified diffs and patches across the awkward cases, plus the config files every repository carries.
- Git-format patchAvailable25 files · view example →
- Unified diffAvailable27 files · view example →
- .gitignoreAvailable5 files · view example →
- .gitattributesAvailable2 files · view example →
- .gitconfigAvailable2 files · view example →
- .gitmodulesAvailable1 file · view example →
- Commit messages / CODEOWNERSAvailable154 files · view example →
- ChangelogsAvailable183 files · view example →
Observability
Traces, metrics, logs, dashboards, and alert payloads from a synthetic service.
- OTLP / Jaeger / Zipkin / dashboardsAvailable723 files · view example →
- JSONL (structured logs)Available70 files · view example →
- Prometheus expositionAvailable16 files · view example →
- Alert / recording rules, collector configAvailable189 files · view example →
- Plain-text logsAvailable36 files · view example →
- Metric exportsAvailable204 files · view example →
Supply chain
SBOMs, lockfiles, provenance attestations, and advisory documents — every identifier fabricated.
- CycloneDX / SPDX / OSV / VEX JSONAvailable723 files · view example →
- CycloneDX XMLAvailable108 files · view example →
- SPDX tag-valueAvailable8 files · view example →
- Lockfile (.lock)Available15 files · view example →
- TOML lock / manifestAvailable7 files · view example →
- YAML lock / policyAvailable189 files · view example →
Geospatial
One invented territory across the vector, tile, and GPS formats GIS pipelines exchange.
- GEOJSONAvailable60 files · view example →
- TopoJSONAvailable8 files · view example →
- Shapefile (.shp)Available4 files · view example →
- Shapefile index (.shx)Available4 files · view example →
- Shapefile attributes (.dbf)Available7 files · view example →
- Projection (.prj)Available7 files · view example →
- Codepage (.cpg)Available3 files · view example →
- KMLAvailable14 files · view example →
- KMZ (zipped KML)Available3 files · view example →
- OGC GeoPackageAvailable3 files · view example →
- GMLAvailable4 files · view example →
- Well-Known TextAvailable12 files · view example →
- OpenStreetMap XMLAvailable3 files · view example →
- MBTilesAvailable2 files · view example →
- GPX (tracks)Available13 files · view example →
- NMEA 0183 sentencesAvailable6 files · view example →
- LAS / LAZ (lidar)Not supportedLidar point clouds only mean something when captured from a real scanner; the PLY point-cloud fixtures cover the loader case instead.
Pipelines
CI/CD workflows, infrastructure-as-code, build files, and orchestration DAGs — inert configuration only.
- Actions / GitLab CI / Argo / TektonAvailable189 files · view example →
- TerraformAvailable7 files · view example →
- Terraform variablesAvailable2 files · view example →
- HCLAvailable4 files · view example →
- JenkinsfileAvailable5 files · view example →
- Makefile (.mk)Available3 files · view example →
- Gradle buildAvailable2 files · view example →
- Java propertiesAvailable4 files · view example →
- Common Workflow LanguageAvailable4 files · view example →
- DockerfileAvailable3 files · view example →
- TOML configAvailable7 files · view example →
- Python (DAG definitions)Available10 files · view example →
- Graphviz (DAG graphs)Available5 files · view example →
Missing a format you need? Request it — most procedural formats can be added. Camera-RAW, Photoshop, and other formats that need real captures or licensed writers are the ones we deliberately skip.