Password Protect PDF and Compress PDF for Internet Explorer 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
Note: Integration described on this webpage may temporarily not be available.
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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
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:
Program is a time saver for me. Plus my reports have a more professional appearance. I would not want to go back to doing it the old way. Thank you PDFfiller!
Phil
2017-01-19
Our agency management system has crashed this week. PDF filler is saving our business while we wait for it to be repaired. I have recommended it to everyone in our same situation
Andrea M
2018-09-07
So Easy to Use Anybody Could Do It I have had a great experience with this program so far it has eliminated my need for some of the other programs I have tried which ultimately has saved a lot of money while also making my job a little easier. PDFiller is so easy to use that you anybody can do it. It walks you through everything but you may not even need to do that its very clear and easy to navigate. This program also has saved me so much time and money on other options in which you would have to get more than one program to accomplish what just this one program does. Once in a while I have to exit out of it because it freezes up, but I'm always able to go right back into it without having to wait.
Verified Reviewer
2019-09-30
Excelent software I recommended … Excelent software I recommended I used just once in a while I Think it is ideal for companies THANKS
CAMILO DE
2024-03-08
Love this! Love this! Came in handy right at the perfect time. Needed document filled out and signed for a major contract and my Printer broke. This saved the day!
Latrece McKnight
2021-04-08
What do you like best? I use PDFILER constantly. It's a helpful tool for my business. What do you dislike? Honestly? I'm very satisfied with it... no complaints! Recommendations to others considering the product: It's a great tool for everyone who wants a trustworthy system What problems are you solving with the product? What benefits have you realized? Especially to adjust all papers comes from every customer or contractor.
Administrator in Construction
2020-11-18
Good support answer I had an issue with the automatic subscription after the30-day trial period. The support took into account my request very promptly and solved the issue.
Emmanuelle Amouroux
2020-09-23
PDF Filler makes it very easy to modify and create pdfs from anywhere. I specifically like their simplified process for editing. Their customer worked with me on an issue I was having and I'm satisfied with the result.
Sean A
2020-08-21
It was so easy It was so easy! I had to go back a few times to edit some pages of the document, but the process was simple. This was my initial use of the site, and, so far, I'm very pleased.
Carroll E
2020-06-10

Password Protect PDF and Compress PDF for Internet Explorer

Enhance your PDF experience with our Password Protect PDF and Compress PDF features tailored for Internet Explorer. These tools help you manage sensitive documents and optimize file sizes seamlessly.

Key Features

Easily set passwords to secure your PDF files
Reduce file size without compromising quality
User-friendly interface designed for Internet Explorer
Batch processing for multiple files simultaneously
Simple retrieval of compressed or password-protected PDFs

Potential Use Cases and Benefits

Protect sensitive documents like contracts or personal information
Store and share files more efficiently over email or cloud storage
Optimize PDFs for faster uploads and downloads
Maintain confidentiality in legal and financial transactions
Enhance team collaboration while keeping documents secure

Our Password Protect PDF and Compress PDF features solve the common problem of file security and size management. By putting you in control, these tools ensure that your important documents remain private while being easy to share and store. With our solutions, you will confidently manage your PDFs, knowing they are both secure and efficient.

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
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password.
Click the Options button at the bottom of the save dialog window that appears. At the bottom of the options window, enable to Encrypt the document with a password option and click OK. Enter the password you want to encrypt the PDF file with and then click OK.

How to Password Protect PDF and Compress PDF for Internet Explorer - video instructions

#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