$ convert -thumbnail x80 file.pdf[0] thumb.png
Feb. 6, 2013, 9:44 p.m.
—
Janos
Explanation
convert
is part of ImageMagick
image manipulation tool
-thumbnail x80
means create a thumbnail image of height 80 pixels, the width will be automatically chosen to make the image proportional
- The
[0]
is to create a thumbnail for the first page only, without that a thumbnail image would be created for each page in the pdf file
To do this for all PDF files in a directory tree:
find /path/to/dir -name '*.pdf' -exec convert -thumbnail x80 {}[0] {}-thumb.png \;
Limitations
Requires the ImageMagick
image manipulation tool.