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Last updated on Jun 26, 2026
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Combine multiple PDFs.
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pdfFiller ranks among the best
pdfFiller is rated 4.6/5 stars on 125,000+ G2 reviews.
The UI is outstanding and very effortless. Very impressed. My only issue was with advanced features. Would have liked to know ahead of time that they were additional fee. Everything looks included and don't like being told something cost money after the fact. Second, when telling me I had to upgrade to get additional feature, it should show the difference between what I am paying verses the new amount. I was on personal plan ($6) but to get the features I needed it was ($10). It said it was $10 for advanced plan but I didn't know if that meant $10 MORE than I was already paying. I had to open site in incognito mode, look at plans to figure it out... not fun. Lastly, I was trying to send 2 separate PDFs as one doc. It took me a while to figure out where Merge was. I didn't understand why all the options under Actions were greyed out. That was very frustrating and should be improved.
I've tried a lot of online PDF programs, which have been extremely slow or not as advertised. PDFfiller is by far the best online PDF editing program on the market. With all the of available features, it made the decision to purchase this one over others that are similar very easy. The program is very easy to use. Some of the chrome extensions took some time to work properly but the support desk was helpful. I'd recommend this program.
What do you like best?
That I am able to take any non-fillable pdf document and make it fillable.
What do you dislike?
I find the ease of use of the website decreased with the updated version. Not impossible, but less ease of use. Nothing too bad.
What problems are you solving with the product? What benefits have you realized?
I use pdfiller in all aspects of my job where non-fillable documents are not available. From Business Management to Human Resources.
Easy to use. After great frustration with other apps to fill in pdf forms, pdfFiller has been the easiest and most efficient method for me to complete forms.
Easy & simple to use! Perfect for e-signing docs. Navigating the documents is easy & doesn't take you into weird places of the doc that don't need attention. I don't see any improvements that need to be made, I really like this product.
Simple and easy document solutions Its been less than 2 weeks and I have used this service quite a few times to fill in documents or customize documents. Its been extremely user friendly and I really like the verified signature feature. Its has simplified my document process so much. I'm looking forward to using these for Insurance accord documents which I see they have in the database for use.
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