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Last updated on Jun 26, 2026

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Sign

Add legally binding signatures.

Merge

Combine multiple PDFs.

Request signatures

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Convert

Transform PDFs into other formats.

Rearrange

Change the order of pages.

Share

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Compress

Reduce PDF file sizes.

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pdfFiller ranks among the best

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

3 times I have contacted PDFFiller support and every time they have responded in less than 30 minutes. This is the fastest support service I have ever encountered.
Michael W
Still trying to navigate system. Like concept. Would like template in which I could answer set of questions and answers automatically are filled in in right spot on forms.
Paul W
Just an amazing product and service. It has made managing and editing/updating PDFs a task i am no longer dreading to do. It has saved me SO MUCH TIME and headache working with PDFs.
Ty O
What do you like best?
I like the interface!Very user-friendly ^_^
What do you dislike?
Signing out automatically and sometimes experiencing slow signing process(Lag)
What problems are you solving with the product? What benefits have you realized?
Signing pdf files such forms/packets etc. Benefits : such ease of use for filling out docs in a minutes.
User in Transportation/Trucking/Railroad
********** was the easiest & fastest customer service to resolve a billing issue. If I need to use a document signing company in the future it will most definitely be **********! Thank you ********** Team you truly are amazing! This world needs more kindness in it, thank you for everything!
caprice f.
So far, so good So far, so good. Does as it claims to.Some of the functions e.g. merge could have more accessible controls (you have to gone into a few menus), but when found they do their job well.Maximum document size is 25Mb so if you have a bigger document you have to use another online splitter and go from there. Don't really see why that functionality could be integrated though.
RPJ

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