Data

JSON File Generator

JSON array of records — contact/financial/ecommerce schemas

.pdf.pdf.csv.json.xml.txt.jpg.png.webp.gif.tif.heic.svg.mp4.mkv.mov.avi.webm.mp3.wav.flac.aac.docx.xlsx.pptx.zip.yaml.sql.ndjson.jsonl.tsv.html.css.js.md.ini.toml.env.ogg.m4a.wma.aiff.opus.amr.wmv.flv.3gp.m4v.ts.tar.gz.bz2.xz.7z.rtf.odt.ods.odp.epub.xls.parquet.avro.bson.msgpack.sqlite.bmp.ico

addresses / names / emails / payment / phone / company = fake-data presets

1–20 files per request

20 files / day on the free tier

cURL equivalent

curl -X POST https://gettestfiles-api.fly.dev/generate/json \
  -H "Content-Type: application/json" \
  -d '{
    "records": 100,
    "schema": "generic",
    "structure": "flat",
    "pretty_print": true
  }' \
  --output TestFile-json.json

About this generator

  • Files are generated on demand and streamed directly — nothing is stored.
  • Rate limited to 20 files per day per IP on the free tier.
  • For bulk generation, use the API directly from your CI pipeline.

Just need a standard file?

Download a pre-built JSON file instantly.

⬇ Browse JSON downloads