Lock and Convert Word to PDF for free

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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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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

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

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:
So far my overall experience has been pretty great. The only thing I would recommend would be having more of a collection of pdf's to compare on certain subjects. Other than that, I am one happy customer!
Heather S
2019-04-12
Something went wrong, when I was filling once it stopped me suddenly. It saved the work, luckily. But I lost two minutes to restart my job, and this wasn't nice.
Aldo T
2020-04-02
Excellent support by the Support team… Excellent support by the pdf filer Support team to check the contents of the issue raised and solve it amicably Highly appreciate the good work done Regards Mohan Nair
Mohan Nair
2024-02-03
Love pdfFiller experience. Since day one this software provided a very intuitive interface for me. I never had a reason to call tech support or customer center. Good job Guys!!! My business has never been interrupted. Thank you for providing a very much value.
SergeiV
2021-11-23
I needed this for school had everything that was neccesary Nothing special in my opinion but it did what it was supposed to do without any problems so 5 star :D
H.J
2021-04-04
Relatively easy to use and work with… Relatively easy to use and work with files. Although, it takes a bit of effort for age challenged individuals.
Bob Smith
2020-07-15
This company is the best, I have been using it since 2012 and love it, so easy to use, saves me so much time when filling out documents and everyone is super friendly with amazing costumer service!!! Thanks PDFFILLER !!!!
Carlos Simoes
2020-06-19
Honestly has saved me so much time with… Honestly has saved me so much time with PDF's that are hard to fill out. I am in nursing school and it is a must for me now.
Elizabeth Flood
2020-05-20
Clueless in North Carolina! I was clueless as to how to fill out the tax documents for my 1099 employees and your company walked me through it and I accomplished the task confidently.
Shaunta Franklin
2025-03-12

Quickly Lock and Convert Word to PDF and more, with pdfFiller

In case you're tired of using single-function platforms where you are only capable of complete one manipulation at a time, we understand how you feel. Though those are common features which most tools provide on their own, not many of them provide the full compatibility to do both at the same time. By using pdfFiller, you can start to get your time back and complete work faster.

pdfFiller is a professional, online-based PDF editor that works from the cloud. Simply open a browser, log in, select a sample, and Lock and Convert Word to PDF right away. The process of editing files in Portable Document Format is simple, smooth even. An advanced set of features allows you to do what you need and more. Take a look at some features available with pdfFiller:

01
Templates. Create reusable documents and fill them out as many times as you need
02
Digital signatures. Certify documents right from your device
03
Fill out fields. Obtain the information from clients the simple way
04
Watermarks. Protect your content
05
Smart export. Send a document by fax or email, transfer it to the cloud storage, or download as one of the available formats: PDF, DOCX, XLSX, PPTX, and JPG
06
Layout management. Rotate, delete, or add new pages to give more information

Additionally, unlike some web applications, our team takes the data security seriously. Your data is stored and transferred firmly following the General Data Protection Regulation standards, and encrypted. Thanks to the two-factor authorization, you don't need to go another day with your information exposed to unwanted third parties.

Value your time and get started with pdfFiller today for a more efficient approach to how you Lock and Convert Word to PDF.

Lock and Convert Word to PDF Feature

The Lock and Convert Word to PDF feature provides a seamless solution for protecting your documents during conversion. This tool helps you create secure PDF files from Word documents while maintaining the integrity of your content.

Key Features

Convert Word documents to PDF format effortlessly.
Lock PDF files to prevent unauthorized editing.
Maintain original formatting during the conversion.
User-friendly interface for quick operations.
Support for various Word document types.

Potential Use Cases and Benefits

Protect sensitive documents before sharing.
Create professional reports or proposals.
Share resumes or portfolios that require format preservation.
Prepare legal documents that need to remain unchanged.
Distribute presentations while ensuring content security.

This feature solves your document protection problem by allowing you to convert documents while locking them from accidental changes. It gives you peace of mind when sharing important files, ensuring your content remains safe and professional.

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!

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
Go to Finder > locate your file and double-click it to open it in Preview. Enter the password to unlock the PDF document. Once your PDF file is unlocked, click on File > Export as PDF > enter the file name and set its destination > hit Save. That's all, the new PDF file you just saved will no longer require a password.
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 protected PDF document, or sign in to share it.

Lock and Convert Word to PDF Video Review

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025