It's not perfect, and it often messes up formatting, but it's not bad for free. Occasionally I will find a regular PDF that it completely fails on. It's limited to PDFs up to 10mb (best of all the free translation options if I recall correctly). Sometimes PDF compression works to bring a bigger PDF under that limit. eg https://www.pdfgear.com/compress-pdf/
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It's not perfect, and it often messes up formatting, but it's not bad for free. Occasionally I will find a regular PDF that it completely fails on. It's limited to PDFs up to 10mb (best of all the free translation options if I recall correctly). Sometimes PDF compression works to bring a bigger PDF under that limit. eg
https://www.pdfgear.com/compress-pdf/