Last updated on
Sep 21, 2025
Lock PDF and Esign PDF for Desktop For Free
Drop document here to upload
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent
Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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.
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.
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.
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.
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:
First time user who is definitely enjoying the ease of completing PDF documents without the troublesome steps to convert to a word or similar document for editing.
2016-09-06
Absolutely By Far the Greatest thing since the Wheel you guys rock i mean your program is the most simplest and helpful thing i have ever come across i mean literally your program by far goes beyond to help even the most non computer literate person like myself thank you so much!
2017-11-02
Needed immediate access to a form and an option for signatures and PDFfiller worked really well for me. I signed up for the wrong plan but didn't realize it and someone from PDFfiller contacted me and asked how I would like to proceed. They also refunded my money for the incorrect plan,and made sure I had the correct amount charged for the correct plan. Forms are easy to use. Very impressed so far.
2018-03-20
What do you like best?
It has a lot of features but not overly complicated. There is a lot of function, and it runs smoothly.
What do you dislike?
Occasionally navigation of the sight has been sticky.
What problems are you solving with the product? What benefits have you realized?
I am always needing to combine multiple PDF files into one, and then do some filling and signing. PDF Filler has sped that process up.
It has a lot of features but not overly complicated. There is a lot of function, and it runs smoothly.
What do you dislike?
Occasionally navigation of the sight has been sticky.
What problems are you solving with the product? What benefits have you realized?
I am always needing to combine multiple PDF files into one, and then do some filling and signing. PDF Filler has sped that process up.
2019-08-22
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.
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.
2020-02-05
Would be better if you didn't have to input personal card information for a one time use on a free item. Other than that, good experience because it was easy to navigate.
2024-01-03
The Best PDF Field Configuration Sodftware
By Far, the easiest tool and best option to modify PDF and define all Filling fields, however you want. i have no complaints at all, only my gratitude.
2023-06-01
AMAZING CUSTOMER SUPPORT!! A+++
Product outperformed other PDF software for my needs at the time! Customer services are A++, an annual subscription fee was taken as I had forgotten to stop this after my use, upon emailing pdfFiller's 'Live chat' the refund was processed and I received a confirmation email of this from PayPal in less than 30 seconds! If it wasn't for Covid19, I would have continued the subscription, but after losing my job my finances are paramount! Hopefully I will be in a position to return to your service in future! Thankyou pdfFiller!
2021-01-10
I've tried their product once when I…
I've tried their product once when I had to modify some PDF documents very quickly. I was very happy to find something really helpful and easy to use because the interface is userfriendly, everything is intuitive with an option to get back and redo what you need. I had to register, inclusive my card for one trial month in order to download my new edited docs.
2020-11-30
Lock PDF and Esign PDF for Desktop
Protect your sensitive documents and streamline your signing process with our Lock PDF and Esign PDF features for desktop use. You can keep your files secure and easily obtain signatures, making your workflow more efficient.
Key Features
Password protection for PDF files
Digital signature capabilities
Easy integration with existing workflows
User-friendly interface
Support for multiple file formats
Potential Use Cases and Benefits
Secure personal or business contracts
Protect confidential information
Facilitate remote signing of documents
Ensure compliance with legal standards
Enhance productivity in document management
With Lock PDF and Esign PDF, you address common concerns about document security and signing. You can prevent unauthorized access to your files and eliminate delays in obtaining necessary signatures. This feature not only secures your documents but also simplifies your document handling, allowing you to 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
Can you lock a PDF document?
Open the Protection panel. 2. Click Encrypt, and select Encrypt With Password. Confirm that you want to change the security of the document.
How do I electronically sign a PDF document on a PC?
Open the PDF document or form that you want to sign.
Click the Sign icon in the toolbar.
The Fill & Sign tool is displayed.
The form fields are detected automatically.
Click the Sign icon in the toolbar, and then choose whether you want to add your signature or just initials.
How to Lock PDF and Esign PDF for Desktop - video instructions
#1 usability according to G2
Try the PDF solution that respects your time.