Audio

AAC File Generator

AAC — efficient lossy audio

.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/aac \
  -H "Content-Type: application/json" \
  -d '{
    "duration_sec": 30,
    "sample_rate": "44100",
    "channels": "stereo",
    "tone": "440hz"
  }' \
  --output sample.aac

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 AAC file instantly.

⬇ Browse AAC downloads