Convert Word (.docx) documents to PDF. Free, runs on your device.
No. Conversion happens fully in your browser - the file stays on your device.
.docx files (Word 2007 and newer). Older .doc files are not supported - open them in Word and save as .docx first.
Very close, but not pixel-perfect. The PDF pages are high-quality images of your rendered document, so the text in the PDF is not selectable, and very complex layouts can shift slightly.