Test files & media

Realistic fixtures, sample files, and simulated streams.

18 tools18 available now

Placeholder imagesCreate configurable illustrations, gradients and graphics as SVG or PNG.Available

Sample videoGet a predictable video fixture for testing.Available

Silent videoGenerate a video fixture without an audio track.Available

Sample audioCreate an editable instrumental sample with melody, bass and drums.Available

Audio composerArrange melody, bass, drums and pads into a custom instrumental.Available

Music libraryStream full original CC0 instrumentals and download editable loops.Available

Tone generatorGenerate a simple audio tone.Available

Sample PDFCreate a PDF fixture for upload and document tests.Available

Dummy CSVGenerate rows of sample CSV data.Available

JSON fixturesCreate structured JSON test payloads.Available

XML fixturesCreate predictable XML test documents.Available

ZIP generatorBuild a sample archive for file handling tests.Available

Binary payload generatorGenerate a test payload with a chosen file size.Available

Corrupt file fixturesTest how your application handles malformed files.Available

Streaming response simulatorGenerate a controlled stream of response data.Available

SSE generatorProduce server-sent events for a client test.Available

Media stream fixturesTest audio and video streaming behavior.Available

Sample avatarsCreate consistent avatars with styles, palettes, shapes and variations.Available

Full category roadmap

All the capabilities planned for this category. Availability is shown on each tool above.

“Coming soon” means planned, not available. We’ll only mark a tool ready when you can actually use it.