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PDF to image

PDF

Render PDF pages as PNG, JPG or WebP images at the resolution you choose. Good for thumbnails and previews.

What it does

  • PNG, JPG or WebP
  • Choose the DPI, or an exact width in pixels
  • One page as an image, several as a zip
  • Oversized pages scaled down safely

Good for

  • Document previews
  • Thumbnails in file lists
  • Sharing a page as an image

For thumbnails, set a width such as 240 pixels and every page comes back exactly that wide.

Example

POST https://bloodweb.net/api/v1/pdf-to-image

curl -H "Authorization: Bearer YOUR_KEY" -F file=@report.pdf -F pages=1 -F dpi=72 https://bloodweb.net/api/v1/pdf-to-image -o cover.png

Options

NameDescription
file
file		 The PDF, up to 50MB.
pages Pages to render, such as 1-3,5 or all.
Default: 1
dpi Resolution. 72 for thumbnails, 150 for screens, 300 for print.
Default: 150
width Render each page this many pixels wide instead of by DPI, keeping proportions. Handy for thumbnails.
to Image format.
One of: png, jpg, webp
Default: png
quality For JPG and WebP.
Default: 85

Returns

One page: the image. Several pages: a zip of page-1.png, page-2.png and so on.

Limits

50 pages per call. Very large pages render at a lower DPI so no side passes 10,000 pixels.