Document

XLSX File Generator

Excel spreadsheet — data with formulas

.pdf.csv.json.xml.txt.jpg.png.webp.gif.tif.heic.svg+ 13 more

20 files / day on the free tier

cURL equivalent

curl -X POST https://gettestfiles-api.fly.dev/generate/xlsx \
  -H "Content-Type: application/json" \
  -d '{
    "rows": 500,
    "sheet_count": 2,
    "schema": "contact",
    "include_formulas": true
  }' \
  --output sample.xlsx

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 XLSX file instantly.

⬇ Browse XLSX downloads