Does PDF to GIF Reduce Image Colors?

PDF to GIF calls sharp's gif() encoder on each rendered page image to produce the final GIF file.

MDN's own image format guide explains that each pixel in a GIF indexes a color palette whose length is always a power of 2, topping out at 256 entries. Image file type and format guide

Does PDF To GIF Reduce Image Colors

The Ghostscript step that produces the source images before GIF conversion uses the png16m device, a full 24-bit color device.

Upload the PDF file to the conversion form.

Select GIF output.

Download the finished GIF file from the results screen.

Checking Color Fidelity in the Final GIF

Open the downloaded GIF in an image viewer.

Zoom in carefully on any areas that have smooth color gradients to look closely for visible banding.

Compare the GIF colors against the original PDF page.

Continue with PDF to GIF PNG Intermediate Step or PDF to GIF Not Animated Single Frame.

Frequently Asked Questions about Does PDF to GIF Reduce Image Colors?

How do I start the PDF to GIF conversion?

Upload the PDF file using the link below.

Where do I find the converted GIF file?

Download the finished PDF from the results screen.

How do I check for color banding?

Zoom in on the gradient areas of the GIF to inspect the pixels.

What should I do if the colors look wrong?

Review the original PDF page to identify the specific color shifts.

Does a black-and-white PDF page still lose colors?

Check a mostly grayscale page for any visible change after conversion.