PDFTK Builder might be a bit more popular than Sumatra PDF. We know about 1 link to it since March 2021 and only 1 link to Sumatra PDF. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can use your browser for both, there are extensions(FireFox - PDF & EPUB/Chrome - PDF& EPUB) for that. In case, you want you use a separate software for them, I suggest SumatraPDF--it handles both PDFs and .EPUB files. Source: over 1 year ago
Such as a book cover ? Then perhaps it's better to export both as PDFs and use a tool such as PDFTK to join the PDF of the cover with the PDF of your document. Source: almost 3 years ago
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