Is there a way to reduce the DPI of an output pdf without affecting its size using FPDF library?
As far as I know, PDF documents do not have DPI settings, given that they are vector objects. I assume you actually refer to embedded raster images (JPEG, GIF...). In that case, just check the documentation for the Image() function: forth and fifth parameters ($w
and $h
) can express the desired DPI if you write a negative value:
// Insert a logo in the top-left corner at 300 dpi
$pdf->Image('logo.png',10,10,-300);
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