PDF Suite is the combined workspace for ordinary PDF jobs: combine files, pull a page range, rotate a sideways scan, or stamp overlay text. The page reads each file with the browser File API and edits it with pdf-lib. FileTools Kit does not run an upload API that receives those PDFs.
Use merge when a cover sheet and an appendix must travel as one file. Use split when a portal asked for pages 2–4 only. A watermark here is drawn text, not encryption and not redaction. Password-protected PDFs often fail in the browser; unlock them in a reader you trust before you retry.
Work happens in this tab. A reload drops the in-memory file. Downloads you saved stay in your downloads folder. Operator: Souren Das, Bengaluru. The written limits are in the guides, not in a percent claim.
