If you choose to enter HTML code, Pdfcrowd translates the code into PDF for you, and there's a WSISWYG editor available for making tweaks. After you set your options, hit the button to convert ...

Security The vulnerability impacts TCPDF, one of the "big three" PHP libraries --together with mPDF and FPDF-- for converting HTML code to PDF docs or assembling PDF files on the fly.

Notepad saves a file in .txt format. By using Print to PDF and Save As options, you can save it as PDF and HTML in Windows 11/10.