Last updated on
Sep 27, 2025
Adjust Watermark and Checkbox in PDF Online For Free
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Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
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Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
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Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
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Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
This is the greatest help to any business....I am amazed how user friendly and professional this makes for any business large or small. WOW ! Hats off to PDFfiller.
2015-02-12
I like it. It is fairly easy to find old forms. I the retention of files I have opened and being able to go back and make edits to files I worked on.
2016-04-16
Took forever to figure out it wasn't free. Here I thought I was filling out a form to print and filled it all out then said I need to pay. Very frustrating
2017-04-12
It is easy once you know where to find what you are looking for! That is why I appreciate the on line connection 24/7. They know their product and waste no time getting you the answer so you can complete the task at hand.
2017-06-11
These guys are great I signed up for…
These guys are great I signed up for the free 30 day trial. I barely looked at the program just didn’t have time And there was $120 charge They were very professional about it removed her right away I will use them soon
2019-05-13
What do you like best?
The most helpful thing about pdfFiller is that I can take a pdf document and add text or highlight text effortlessly. It is very user-friendly.
What do you dislike?
I have nothing to complain about with pdfFiller by airSlate. It saves me so much time there is literally nothing to dislike.
What problems is the product solving and how is that benefiting you?
pdfFiller by airSlate is solving problems when I needed to make changes to a pdf document and it was so hard to do without it looking jumbled until I found pdfFiller. It has saved me so much time and my documents come out looking so much cleaner and professional.
2022-11-09
Great application! I was able to edit some incorrect dates sent to me by a reference who could not access the document for an extended period of time. I was able to get my document corrected and resubmitted without issue
2022-08-15
Good features pdffiller has. Only thing I would request is to reduce fee for indian retired customers like me. I am 58 years old and self-financed and survive on pension.
2021-08-10
Exactly what I was looking for. It's easy and simple to edit your files. Going to test this beauty thoughout the next day to see whats possible and if it cna improve my operating principles.
2020-10-21
Adjust Watermark and Checkbox in PDF Feature
Elevate your document management with our Adjust Watermark and Checkbox in PDF feature. This tool enables you to add watermarks and interactive checkboxes effortlessly, enhancing your PDFs for both security and functionality.
Key Features
Easily add and customize watermarks with text or images.
Insert interactive checkboxes for form completion.
Adjust watermark opacity and position according to your needs.
Save templates for consistent branding across documents.
Export PDFs with secure watermarks to prevent unauthorized use.
Use Cases and Benefits
Ideal for businesses looking to protect sensitive information.
Useful for educators who want students to fill out PDFs online.
Perfect for event planners to track RSVPs using checkboxes.
Enhances professional presentations with branded watermarks.
Streamlines document workflows by combining security and interactivity.
By using this feature, you can address several common problems. For instance, if you worry about unauthorized distribution of your documents, the watermark function helps to deter misuse. The checkbox feature makes it simple for recipients to respond or provide input directly on the PDF. This combination saves time and increases efficiency, letting you focus on what matters most.
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
How do I reduce a watermark in a PDF?
Go to the "Edit" tab. From there, click "Delete Watermark" from the "Watermark" drop-down list. And in the pop-up window, click "OK" to delete the watermark template.
How do I insert a checkbox into a PDF document?
Add a check box to a form To add a check box to your PDF form: Go to Tools > Form > Check Box or press (Alt+Q) to open the Forms panel, and then select Check Box from the top row. Click-and-drag where you'd like to place the check box on your form. Select the new check box, so its yellow control points become visible.
Can you edit watermark in PDF?
Update a watermark Choose Tools > Edit PDF > Watermark > Update.
Why can't I check boxes in PDF?
You also may make sure that the field is not read-only or hidden in view (hidden or visible for print only). Finally you might make sure that there is no other field covering the checkbox field.
How do I check and uncheck a box in PDF?
6. Check Boxes Place your cursor over the box in which you wish to place a check. When the cursor changes from the hand tool to the hand pointer, click your left mouse button to check the box. To undo the selection, left-click your mouse button again and the check mark will be removed.
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