iLovePDF

merging PDF files with the iLovePDF web Merge PDF tool, where the official user guide section for Merge PDF says that to merge two or more PDFs you select the documents, that you can arrange the files however you like before merging them, that you can also combine several password protected documents into one, and that you upload the selected files, process them and then download the merged file, and where the Merge PDF tool page says you can combine PDFs in the order you want, with the guide pointing to the Merge PDF limits for each account type instead of stating a single numeric limit

compressing PDF files with the iLovePDF web Compress PDF tool, where the official user guide section for Compress PDF says that to compress PDF files you select the documents, upload the file or files to optimize, choose between extreme, high or regular compression level and then hit the Compress PDF button, and that the higher compression, the lower file size and quality, with the button downloading your reduced PDF, and where the Compress PDF tool page says it reduces file size, with the guide pointing to the Compress PDF limits for each account type instead of stating a single numeric limit

adding content to PDF pages with the iLovePDF web Edit PDF tool, where the official user guide section for Edit PDF says that to add elements or text to a page you choose from the Text, Image or Shape icons in the Edit PDF toolbar, that you can resize or move any element on the page where it was created, that you can change the colour, transparency, border color, rotation, format or line thickness of your images, shapes or texts using their property bars, and that you then click the Edit PDF button to process the file, and where the Edit PDF tool page describes it as editing a PDF by adding text, shapes, comments and highlights, so the documented capability is adding and formatting new elements and comments rather than changing existing text, images or page layout

converting documents between PDF and other formats with the iLovePDF web conversion tools, where the official user guide documents the Convert to PDF tools as JPG to PDF with portrait or landscape orientation, with or without margin, and an option to merge all images into a single PDF, WORD to PDF turning a .docx into a non-editable document, POWERPOINT to PDF turning a .pptx into a non-editable document, EXCEL to PDF turning a .xlsx into a PDF, and HTML to PDF from a pasted URL with orientation and margin options, and the Convert from PDF tools as PDF to JPG including extracting all the pictures in a zip file, PDF to WORD producing an editable .docx, PDF to POWERPOINT producing an editable .pptx where each page becomes a slide, PDF to EXCEL producing an Excel document, and PDF to PDF/A for long term archiving and preservation, with each tool deferring its limits to the account type rather than stating a number

signing PDF documents with the iLovePDF web Sign PDF tool, where the official user guide documents signing your own document by uploading it and choosing a signature from the sidebar menu, drawn by hand, uploaded as an existing signature or typed as text, optionally adding fields such as date and initials, then clicking Sign PDF to download the signed PDF, and documents collecting e signatures by creating a signature request in which you add signers, include signing fields, adjust security parameters and send, after which all signers receive an email with access to the document and can read and sign it, and once the process is complete you receive a copy of the signed document with the option to download an audit trail, and where the Sign PDF tool page describes signing a document yourself or sending a signature request to others, and the guide contains no wording about certificates, digital signatures, PAdES, eIDAS or timestamps, so the documented signatures are visual and workflow signatures rather than certificate based digital signatures

converting non selectable PDF files into selectable and searchable PDF with the iLovePDF web OCR PDF tool, where the OCR PDF tool page says it converts non selectable PDF files into selectable and searchable PDF, and where the official FAQ says that converting a scanned PDF to an editable document requires optical character recognition, described as a system that converts non selectable and scanned text to office documents, with no language options, accuracy figure, page or size limit stated on the pages read

protecting PDF files with the iLovePDF web Protect PDF tool, where the official user guide says that to secure a PDF with a password you upload the document, choose a user password to encrypt and secure your PDF, and then hit the Protect PDF button to add the password to the file, that the separate Unlock PDF tool removes the password from a PDF file, and that each tool defers its limits to the account type, and where the Protect PDF tool page says it encrypts your PDF with a password, with no owner password, permission flags, algorithm or key length documented on the pages read