Accelerate the way you Lock PDF Files on PC Gratis
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Discover the simplicity of processing PDFs online

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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:
It works easily and I feel that people with all levels of computer experience will be able to fill out our forms and get them to us through PDFfiller.com!
2016-02-09
The pdf filler has been excellent to use to date. I haven't explored the other options available, such as sign and send, although, I will definitely look into a full options account.
Cheers.. Millway Security Scott Miller.
2017-06-23
Great app! Use it on my phone which is great and handy in situations where documents need to be signed and done in a hurry. Only down fall is mailing documents sometimes gets sent to spam or junk mail. So tell your recipient to check their spam box just incase.
2019-08-15
What do you like best?
I love that I don't need to hurt my brain trying to learn how to complete a simple task on PDFfiller. Everything is right where I need it and very easy to use. All the functions I need are right at the top and do exactly what I would expect. I like that it is web based and that I can access save documents anywhere if I am not at my computer.
What do you dislike?
I honestly cannot think of anything I dislike. I did some research before using this program and it fit my needs better than anything else.
Recommendations to others considering the product:
This is a great product for anyone who does not have access to a employer issued PDF document editor. It has all the functions of their competitors however I find it much easier to use and navigate.
What problems are you solving with the product? What benefits have you realized?
I don't have access to document signing software through my employer. So now I am able to create fillable PDFs, Sign and Date documents without having to print out and scan into my email. It makes tasks quick and easy.
I love that I don't need to hurt my brain trying to learn how to complete a simple task on PDFfiller. Everything is right where I need it and very easy to use. All the functions I need are right at the top and do exactly what I would expect. I like that it is web based and that I can access save documents anywhere if I am not at my computer.
What do you dislike?
I honestly cannot think of anything I dislike. I did some research before using this program and it fit my needs better than anything else.
Recommendations to others considering the product:
This is a great product for anyone who does not have access to a employer issued PDF document editor. It has all the functions of their competitors however I find it much easier to use and navigate.
What problems are you solving with the product? What benefits have you realized?
I don't have access to document signing software through my employer. So now I am able to create fillable PDFs, Sign and Date documents without having to print out and scan into my email. It makes tasks quick and easy.
2019-02-25
Pleasant PDFiller!
I use PDFfiller almost daily. I work in Accounts Receivable and customers frequently like to have additional information added to their invoice. This is something our accounting program cannot do.
Very user friendly. Very appealing to look at.
I don't have any cons. I haven't found anything that I don't like about it.
2019-01-22
Very Helpful Filler
This software is the answer on my problem before on how to edit the PDF. It is very helpful to me and to my team. Easy to access and easy to use.
Sometimes I experienced the slow loading of software but it is totally manageable to make it better.
2018-10-15
My work with clients made EASY!
This has made my work with mental health clients so much easier. I am able to convert any document to a "Fillable" PDF so that the client doesn't have to work so hard to complete assignments and assessments! Thank you!!!
2023-08-14
I absolutely love the forms i can find in the library that are so useful to everyday life. It is incredibly easy to navigate fill in the fields and just print.
2022-08-17
Dealing with this company was truly amazing. I have never had such professional response from the customer service of any company. The customer service rep was such a gentleman and solved my problem immediately. I would highly recommend this company!
2021-05-24
Accelerate the Way You Lock PDF Files on PC
Protecting your PDF files is essential in today's digital landscape. With our PDF Lock feature, you can secure your documents quickly and effortlessly.
Key Features
Simple password protection
Easy encryption process
User-friendly interface
Batch locking for multiple files
Compatibility with various PDF readers
Potential Use Cases and Benefits
Secure sensitive business documents before sharing
Protect personal files from unauthorized access
Ensure compliance with data protection regulations
Safeguard intellectual property and creative works
Enhance privacy for academic research materials
This feature addresses your need for security and privacy. By locking your PDF files, you can share your work with peace of mind, knowing that only authorized individuals can access it. Take control of your documents today and keep your information safe.
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 PDF files?
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. If you receive a prompt, click Yes to change the security. 7. Select Require A Password To Open The Document, then type the password in the corresponding field.
How do I lock a PDF for free?
Click the Select a file button above or drag and drop a PDF into the drop zone. Enter a password, then retype it to confirm the password. Click Set password. Download the password protected PDF document, or sign in to share it.
Video instructions on how to Lock PDF Files on PC
#1 usability according to G2
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