You convert a beautifully typeset PDF to Word and everything looks slightly off. The headlines are wrong. The body text is wider than it should be. Line breaks have shifted by half a word.
It's not the converter. It's font substitution.
Why fonts go wrong
PDFs embed fonts (or subsets of them) so they always look the same. Word doesn't — it expects the fonts to live on your computer. When Word opens a docx specifying a font it can't find, it picks a substitute that's vaguely similar. Sometimes it gets it right. Often it doesn't.
The converter isn't lying about the font name. The font just isn't installed.
Install the fonts locally
If you know what font the PDF uses (and you have a licence), install it on your machine before opening the converted docx. On macOS, drop the font file into Font Book. On Windows, right-click > Install. Reopen the docx and Word will pick up the now-present font automatically.
Many brands ship a corporate font pack to staff for exactly this reason. Ask your design team.
Use the conversion to identify fonts
After running PDF to Word, open the docx and click into different paragraphs to see what font Word *thinks* it should be. The font names in the dropdown tell you what was specified in the original. If they're all common system fonts (Arial, Calibri, Times New Roman), no action needed. If you see Avenir, Sentinel, Proxima Nova etc., that's your install list.
When typography matters more than editability
If the document is going to be redistributed and typography must stay exact, edit the PDF directly with Flint's editor rather than round-tripping through Word. The embedded fonts stay embedded, and you only change what needs changing. Best of both worlds.
FAQ
Can the converter embed fonts in the Word file?
Word supports font embedding but it depends on the font's licence. Most commercial fonts disallow embedding in editable documents.
What's the default substitute?
Word picks the closest visually similar font available — usually Calibri for sans-serif, Cambria or Times New Roman for serif. It's not arbitrary, just imperfect.
Will line breaks shift?
Almost always. Different fonts have different widths, so paragraphs reflow. If line-break positions matter (legal docs, certificates), stick with editing the PDF directly.
Is it the converter's fault?
Rarely. The font name is preserved in the docx; Word just can't render what isn't installed.
Install the fonts, then convert. Or edit the PDF in place. Convert your PDF to Word — and bring the fonts.