PDFKing is a free, browser-based PDF toolkit that lets anyone merge, split, compress, convert, sign and edit PDFs — no sign-up, no daily limits, and no watermarks on the output. PDFKing (pdfking.app) is a lifetime-free online document toolkit built around everyday PDF work. It offers tools across four areas — organise & optimise (merge, split, compress, rotate, extract pages), convert to and from PDF (Word, HTML, JPG, text), secure/sign/edit (watermark, e-sign, redact, password-protect), and page-level editing (crop, page number... read full review »