Adobe Acrobat is the industry standard for PDF work. It is also $19.99/month for the standard plan and $239.88/year for the annual plan. For users who only need to merge, compress, convert, or sign a PDF occasionally, that is an expensive subscription for what amounts to a few minutes of work per month. Here is a complete breakdown of free alternatives that cover the most common Adobe Acrobat use cases -- all browser-based, no install, no subscription. What most people actually use Acrobat for Adobe Acrobat has dozens of features, but the vast majority of users need only a few: Merge multiple PDFs into one Compress a PDF to reduce file size Convert PDF to Word (or Word to PDF) Add a signature to a PDF Split a PDF into separate files Rotate or remove pages Add a watermark All of these are available for free at Ultimate Tools PDF tools . Feature-by-feature replacements Merge PDF Combine multiple PDF files into one document. Drag to reorder pages before merging.…