Compress PDF via API

Shrink PDFs by 10-40% before emailing or uploading. No visual quality loss.
One API call replaces desktop tools in your automation pipeline.

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2 Credits per request

10-40% Size reduction

Lossless Text quality

One request, smaller PDF

Terminal

$ curl -X POST "https://qkconvert.dev/api/v1/doc/compress" \
  -H "Authorization: Bearer sk_live_..." \
  -F "file=@large.pdf" \
  -o compressed.pdf

# 200 OK - 120ms - 3.2MB -> 2.1MB (35% smaller)

Start compressing PDFs in seconds

Free tier includes 500 credits per month. No credit card required.

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