A set of dummy JSON files in fixed sizes from 1 KB to 5 GB. MIME type: application/json.

Pick a size, download, and run the same checks you would with a real JSON — uploads, parsers, viewers.

Can I use it commercially?

Yes. Dummy files from DummyFiles.dev are free to use in commercial projects, tests and CI. They contain no third-party copyrighted content.

How was it generated?

We build a JSON array of objects with faker fields such as id, name, email and company.

EICAR is a fixed 68-byte sample. For large dummy files use PDF, ZIP or BIN instead.

All JSON sizes

Generate a JSON test file: dummy JSON records for API mocks and fixtures.

Go to generator

Generated JSON array of dummy records. Use the generator to pick how many objects you need.

What is this file?: A set of dummy JSON files in fixed sizes from 1 KB to 5 GB. MIME type: application/json.
How can I use it?: Pick a size, download, and run the same checks you would with a real JSON — uploads, parsers, viewers.
Can I use it commercially?: Yes. Dummy files from DummyFiles.dev are free to use in commercial projects, tests and CI. They contain no third-party copyrighted content.
How was it generated?: We build a JSON array of objects with faker fields such as id, name, email and company.
Are larger files available?: EICAR is a fixed 68-byte sample. For large dummy files use PDF, ZIP or BIN instead.