Last updated on
Jan 16, 2026
How To Add Signature Fields In PDF Documents Online For Free
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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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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
This has been an absolute time saver…
This has been an absolute time saver for complete differet typs of fire alarm reports from different forms and jurisdictions. I can't say how grateful I am for this service!
2020-03-02
Highly Recommended
Excellent experience. It saves me a great deal of time. Cost effective.
The software is very easy to use. A real timesaver.
Sometimes it is a little slow in saving/processing various functions.
2019-01-21
Works great, I have never had a problem.
Easy to fill in forms.
Easy to use. Everything is labeled well so you can find what you need to do quick. The files are always where I need them to be.
I haven't had any problems using this software. There isn't anything bad I can say because I haven't ran into anytjing.
2017-11-14
Easy, and very convenient.
Saves me lots of time.
It's fast and easy, navigation of the site is easy, uploading and editing a document is easy, the SendToSign option is phenomenal!
As of right now I have not really come across any thing that I dislike. The site is pretty self explanatory.
2017-11-14
Fantastic tool
Fantastic tool! Easy to use and export your documents. It saves each version of your filled PDF, so you don't have to worry about filling it out all over if you need to make minor changes.
2024-04-16
Well it worked. But, I was tricked into the 30day trial by populating a document you do not own. I could have done this without needing an account albeit "free trial." I don't think I need this service full time. It's way too expensive for an infrequent user.
2021-04-24
best out there, has opportunities to get better
generally very positive. i used the free trial for a month and switched to the yearly plan.
this is by far the best pdf editor i tried using. the biggest selling point is converting the files without losing the layout and the possibility to edit copy and somewhat match the font
i noticed that while editing copy the font size of the original text shifts a pixel down and the font weight automatically turns to lighter than original.
still the best font matching abilities of all the tools, but sometimes a pain
2021-02-16
I didn't know a service like this existed but it is so convenient and safe or what is happening with the COVID-19 pandemic. I was able to mail very important documents without leaving my home.
2020-09-26
What do you like best?
I like how simple it is to navigate fields. The program is really good about identifying editable fields in all documents.
What do you dislike?
I think they can improve the downloading/saving function. There seem to be more steps than one would expect.
Recommendations to others considering the product:
If you are looking for software that is simple and allows you to edit PDF files easily, this is your program. I feel the least amount of pain when renewing my subscription. For me, it is a must-have tool.
What problems are you solving with the product? What benefits have you realized?
Zero lag time in legal documents or any documents that require redlining, editing, etc.
2020-08-26
How-to Guide
How to Add Signature Fields in PDF Documents:
01
Upload your document to pdfFiller`s uploader
02
Select the Add Signature Fields in PDF Documents feature in the editor`s menu
03
Make the needed edits to the file
04
Click the orange “Done” button to the top right corner
05
Rename the template if it`s required
06
Print, email or download the template to your device
How to How To Add Signature Fields In PDF Documents Online - video instructions
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