PDF to BMP's Ghostscript command sets both TextAlphaBits and GraphicsAlphaBits to 4, the highest anti-aliasing level Ghostscript supports for these options.
Microsoft's own developer documentation describes antialiasing as smoothing the jagged edges of drawn text to improve its appearance and readability. How to: Use Antialiasing with Text
PDF to BMPWhy Does Converted PDF Text Look Smooth Not Jagged
Upload a text-heavy PDF file to the conversion form.
Download the BMP.
Open the BMP image in a standard picture viewer.
Zoom in on the letter edges to observe the smooth rendering.
Ghostscript exposes TextAlphaBits and GraphicsAlphaBits as two separate settings, and PDF to BMP raises both together instead of smoothing only text or only shapes.
Checking Letter Edges in the BMP Output
Select a word with sharp curves to inspect the boundary pixels.
Compare the smooth edges against a standard rasterized image.
Examine a diagonal line or logo to confirm graphics receive the same smoothing as text.
Continue with 24-bit color depth or Select specific pages.
Frequently Asked Questions about Why PDF to BMP Text Looks Smooth
How do I convert a PDF to BMP?
Upload the PDF file using the link below.
Where do I find the converted file?
Download the finished BMP from the results screen.
How do I check the text quality?
Open the BMP file and zoom in on the letters.
What should I do if the text looks blurry?
Review the original PDF for low-resolution source images.
Does anti-aliasing also affect logos and diagrams?
Examine a logo or diagram alongside body text to confirm both render smoothly.