KeepSolidSign Lock PDF shortcut alternative For Free

Use pdfFiller instead of KeepSolidSign to fill out forms and edit PDF documents online. Get a comprehensive PDF toolkit at the most competitive price.
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Fill out, edit, or eSign your PDF hassle-free
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
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Every PDF tool you need to get documents
done paper-free

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Create & edit PDFs

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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Fill out & sign PDF forms

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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Organize & convert PDFs

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.
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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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Export documents with ease

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 documents safely

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.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
I am glad to have this filler. At my school we are trying to go paperless. It is expensive. Sometimes hard to maneuver and cumbersome to use. Once I get the hang of it and use it more often I am sure I will become more adept at using the filler.
Mary A
2015-10-28
What do you like best?
I like how easy it is to take a PDF and be able to type what I need to, change colors and fonts
What do you dislike?
I wish that the erase tool would be able to go in different directions, not just left and right but to be able to use it more freely to erase easier.
What problems are you solving with the product? What benefits have you realized?
benefit in using this for my business is keeping documents clean and not having to print them out hand write on them scan them back in and email it, I can do it all in PDFfiller and keeps my documents clean, and is a lot easier.
User in Real Estate
2020-02-05
What do you like best?
The upside is that it's very efficient and expedites completing forms effectively. I have used other software and didn't find them to be easy to navigate or efficient.
What do you dislike?
The downside is that sometimes the text doesn't align when filling in forms I have to complete from other service industries. Also, when PDFfiller is the default PDF it does not print without having to refresh several times.
Recommendations to others considering the product:
This software is really good and does make my administrative work easier and less tedious. There are some quirks but when I have experienced them, the support received was expedient and exceeded my expectations.
What problems are you solving with the product? What benefits have you realized?
It has really helped me to complete the necessary documents in a timely manner when there are no glitches. I love the easy access to my documents when completed.
Tristan Petty
2020-02-05
As a real estate broker, I have used the PDF Filler to fill out contracts and personal forms. Ease of use. I was able to figure out how the software worked and used it within 15 minutes. This was great because I needed it as soon as I could get it working! I honestly believe the software can be figured out easily by the vast majority of people. If not, they should be able to get assistance easily.
Mary W.
2017-11-24
Customer service was excellent Customer service was excellent, they addressed my issue promptly and everything was resolved immediately. Excellent experience.
Shalene Leblanc
2022-02-14
This statement is still true (I am still using the trial version, so I haven't had enough time using it yet). I am also new to my position; therefore, it will take time, before I know of the various ways that I could utilize this software. My new employer is still using typewriters for several forms, which made me research fillable forms online.
Daphne H
2021-12-29
PDFFiller is easy to use. Took only a few minutes to set up and get started. All your documents are in order and they're easy to access. When forwarding to a client, etc., I like that it generates a security code that's required to access the documents. Customer service is *******! They are quick to respond and will work to resolve any challenges to your satisfaction. Thank you PDFFiller for a great experience! "
Deborah R
2021-06-07
I was completely pleased... I was completely pleased with the speed at which Sam was able to help me. He had a complete understanding of ny request and were very professional.
Lurvey Beazer
2021-01-11
The features are unmatched and the customer service has been outstanding! Anytime I have requested online support, I have received immediate and very detailed attention to help guide me through any feature, tutorial, description even with the ability to share templates or files and have customer support advise on any possible questions. This is what we've been looking for for all of our fillable forms and for obtaining e-signatures and it's at the best price point for businesses! Very excited to learn and use more of the features with PDFfiller!
Sean H
2020-04-27

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

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Try the PDF solution that respects your time.
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