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Last updated on Jan 16, 2026

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See for yourself by reading reviews on the most popular resources:
I love the site, I don't like all of the pop ups though! I constantly have to click out of the pop ups when opening a new form. That is my only complaint! But, all in all, I love this site and it helps me be more efficient.
Sarah L
2015-10-14
I found PDF filler to be very helpful, however there was a bit of confusion with the cost of the account account. I I thought that I would be getting charged $6 dollars per month however my bank account was charged $72 dollars for an entire years subscription. I do not fill out enough documents to make a years subscription worthwhile. If that is the case, I think the website should give you the option of a 30 day trial period, and then give you the option of committing to a 1 year subscription. Otherwise, be more clear that you all are charging the entire $72 as oppose to the $6 per month. I have since canceled my subscription and I do not intend to use the website any longer. I would definitely like a refund effective immediately.
Amelia D
2017-03-13
Easy and time saving I use it to fill out government and medical forms for personal reasons. It could be used for any form you might need to complete. It's very easy to use and has tons of forms available. You can upload unique forms and it works great on those too. I have had some issues finding forms I've completed.
Steven S.
2019-03-12
Quick resolution to refund request. Thanks! Pauline processed my refund immediately and contacted me via email soon after I chatted online with pdfFiller. I was so grateful that canceling my account was so easy. Amazing customer service. Thank you Pauline
Lee Good
2024-10-16
"My Blessing" I was drawn to the site which offered thirty day sampling with no cost doing so. Very impress with the ease of functionally of the system, not being that verse on this type of technology. It was fairly simple figuring it out, my one time project was successful. Many of my fellow parishioners was impress not only with the information but the presentation the online template allowed. Finally there was the necessity of sharing my document that to was done with much ease. I highly recommend this site (PDfFiller) to all individuals and companies that require this type of service on a continual basis. Thank you!
sylvester thomas
2024-02-12
Great Well, I started with another type of editor on a free trial, got my card info, then it would not let me have my document. So got the pdfFiller and fantastic. Most easily understood no issues. Thanks for a great product.
Julie Powell
2021-03-02

Add Watermark to PDF in Preview Feature

Introducing the Add Watermark to PDF feature in Preview. This handy tool allows you to easily protect your documents while adding a personal touch.

Key Features

Easily add text or image watermarks to your PDFs
Customize watermark placement and opacity
Save watermarked versions for permanent use
Preview changes in real-time

Potential Use Cases and Benefits

Protect sensitive files with your logo or branding
Annotate drafts or sample documents for sharing
Create professional-looking presentations
Preserve copyright on creative materials

By utilizing the Add Watermark to PDF feature, you can effectively address concerns about unauthorized use of your documents. This tool not only enhances security, but also reinforces your identity across shared content. With straightforward customization, you maintain control over how your brand is represented, ensuring clear communication of your ownership and intent.

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For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
Go to the “Tool” Tab. Open a PDF and navigate to the “Tool” tab on the left toolbar and choose “Add or Edit Watermark”. Create a Watermark. Click the “Create” button and from here you can add a watermark to PDF on Mac, choosing either “Text”, “Image” or “PDF” as the source. ... Set Preferences and Add Watermark to PDF on Mac.
You can password protect a PDF on a Mac computer in a few simple steps using the Preview app. Adding password protection to a PDF can make the file even more secure and is the best practice when sharing any sensitive information.

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