PDF Tools — Independently Tested, June 2026
We tested every
major PDF tool.
Here’s what we found.
Same documents, same tasks, every tool scored on speed, output quality, interface clarity, and real value — not marketing claims.
“ClarixPDF wins on interface and speed — Smallpdf wins on breadth. If you do PDF work daily across devices, compare both before subscribing.”
Full methodology →How-to guides
All 21 guides →How to Edit a PDF Without Adobe Acrobat
Change text, add images, fill forms, and annotate PDFs — without paying for an Acrobat subscription. Here's what actually works.
Read guide →How to Add Page Numbers to a PDF
Add page numbers to an existing PDF — at the top or bottom, any position, any format — without going back to the original document.
Read guide →How to Combine JPG Images Into a PDF
Turn one or multiple JPG photos or scans into a single PDF file — useful for submitting documents, sharing photos, and archiving.
Read guide →How to Compress Large PDF Files (Over 50MB, 100MB, or More)
Standard PDF compression tools choke on very large files. Here's how to compress a big PDF without hitting upload limits or losing quality.
Read guide →iLovePDF vs Smallpdf: Which Is Better in 2026?
Two of the most popular free PDF tools, head to head. We tested both with the same documents to find out which one is actually worth using.
Read guide →How to Flatten a PDF Form (And Why It Matters Before You Send It)
Flattening a PDF form locks in your answers and prevents them from being changed. Here's when to do it and how.
Read guide →“Drawing a black box over text in a PDF is not redaction — the text is still there and can be copied. Here's how to do it properly.”
Read the guide →