alt Hacker NewsWhat I miss in free alternatives is the ability to redact. Not just by placing a black bar above, but such that the text also leaves the PDF. Shouldn't even need to reflow other text as mentioned in another comment, as things would otherwise stay the same.
check out pdfredactoronline.com I also built that. I had to make it separate for now as it's using MuPDF JS library which has APGL licensing, but I might add it in here if it seems I can add it while still complying.