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Last updated on Jun 26, 2026

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Add legally binding signatures.

Merge

Combine multiple PDFs.

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Convert

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Rearrange

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  • G2 — Grid Leader in Small-Business
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pdfFiller ranks among the best

pdfFiller is rated 4.6/5 stars on 125,000+ G2 reviews.

Easy to use. Helpful Support staff. I sent them a link to a document that I needed added and they had it available within minutes of sending it to them:)
Melanie
This is a good app. It could be improved with navigation that's a bit less clunky - more intuitive. I also wish there was a way to fill out forms without having to recenter, re-size, re-font the text so it looks normal in the document.
Elizabeth
Helpful, does what I need to do. The only reason I gave it four stars is because you can't see the comments unless you are online and sometimes I am traveling to places without wifi access so it would be nice to view my downloaded documents and see the comments I attached to them.
Janell
What do you like best?
I think it has all the features that other pdf signing software offers and it's well priced! I use it on a regular basis for all my pdf signing needs.
What do you dislike?
I think user interface can be improved but so far I've gotten used to it so it's not so bad.
Recommendations to others considering the product:
It really is a great tool, and well priced compared to the other competitors in the field
What problems are you solving with the product? What benefits have you realized?
I've been able to sign and fill out pdfs faster than ever. I've been able to have my real estate contracts signed quickly and effortlessly from my clients.
Gary Wong, MBA
It has helped me merge my PDF documents and i am able to re-arrange pages. I wish it was not limiting the number of pages though. The number of pages increases once you merge a document and once it exceeds that 150 pages, it does not allow one to re-arrange the pages.
Phatheka
need a signature on many applications… need a signature on many applications for my wholesale business -- this is a dream! -- and totally UN-savvy tech wise and I can still do this :)
Christine Foster

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