The 7 best PDF editor apps in 2026

Once upon a time, if I wanted to edit a PDF, the only (free) method at my disposal was to essentially recreate the file in Microsoft Word, make any necessary edits, and then save it as a new PDF. PDF editor apps have come a long way since then. Nowadays, the best apps let you easily edit every element of a PDF, including text and form fields, and convert files into other formats like .docx, .xlsx, and .txt.