A lot of people open a paid PDF editor or search for a cracked version just to merge two files or split off a single page. The truth is most everyday PDF tasks don't need any software at all — you can get them done from your browser in a minute.
If you have a report split across several files, or need to combine invoices or documents into one file to send, the simple solution is a merge tool that lets you upload the files, reorder them by drag or with order buttons, then merge them into one final file.
The opposite is also true: sometimes you need to pull one page out of a long contract, or split an entire book into separate chapters. A good split tool gives you two options: split every page into its own file at once, or extract a specific page range (from page 5 to 12, for example) as a single file.
If you scanned a document with your phone camera or have a group of images you need to send as a single, formal file, you can convert them directly into a PDF — each image becomes a page, with the ability to reorder them and choose page orientation (portrait or landscape).
Tip: if the images you're converting are large, try compressing them first before converting to PDF — the final file will be significantly lighter.
PDF files with lots of images, or ones produced from a scanner, often end up very large, making them hard to send by email. A PDF compression tool reprocesses the pages at a slightly lower quality to genuinely and noticeably shrink the size, while keeping the file clearly readable.
Most of what you need to do with PDF files day to day — merge, split, convert, and compress — can be accomplished directly in your browser, no software installation, and without uploading your sensitive files to any external server.