Encrypt PDF and Compress PDF for Microsoft 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
Note: Integration described on this webpage may temporarily not be available.
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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 was very upset that I wasn't told I'd have to pay until after I'd edited a very long file, but customer service gave me 30 days free when I brought this to their attention.
Anonymous Customer
2014-05-18
This is fabulous! I was using Nuance PDF Converter, which has worked fine for many years, but it couldn't handle a couple of the 2013 IRS forms...So I did them here. And it worked!
gene s
2014-11-02
Overall a very positive experience. I think customers should be given the option of a low-cost limited one-time use of the site with full features, rather than forcing customers to subscribe for a full month or year with automatic renewal.
Anonymous Customer
2016-10-02
I used it now for 2 forms. I like that It does everything for me..saves the document, converts to another format if I need it and easy to email out or print.
Noel
2017-03-01
the service is great, however the payment option is miss leading, as it says $6/month and when you go to pay you charge the full year up front, in US$ and some of us are poor, so thanks for that.
brandy
2018-03-16
What do you like best?
The program is user friendly and helps me with the essential tools I need to fill in and change my PDF files. I use this on a daily basis for work and works very well with other programs I use.
What do you dislike?
The font match is the only downside of the program i face especial when I have to fill in words and characters onto the document. It takes time for to match the font that is similar to the original font. Collating pages in a certain order is difficult for me but I decided not to use this feature.
What problems are you solving with the product? What benefits have you realized?
I am facing no problems using the program. The main benefit I use this program is the editing of the documents revived for out business to use for our needs.
User in Transportation/Trucking/Railroad
2019-05-28
This has been an absolute time saver… This has been an absolute time saver for complete differet typs of fire alarm reports from different forms and jurisdictions. I can't say how grateful I am for this service!
FRS Tech
2020-03-02
Might be signing up again because of the combine pdf feature you offer. Adobe couldn’t even combine my pdfs for whatever reason. I would need a slightly cheaper subscription then you offer.
lawrence e
2024-08-29
very good app very good app, I wish I knew it earlier, it helps me out from problems that I used to have in editing some forms in Pdf format, very easy and quick. worth of money
sasha aisah
2021-07-25

Encrypt PDF and Compress PDF for Microsoft

Protect your important documents while saving space on your device with our Encrypt PDF and Compress PDF features specifically designed for Microsoft users. With these tools, you gain control over your files, ensuring security and efficiency.

Key Features

Securely encrypt PDFs with passwords and permissions, preventing unauthorized access.
Easily compress large PDF files, reducing their size without losing quality.
Intuitive interface that integrates seamlessly with Microsoft applications.
Batch processing to save time when working with multiple files.
Custom settings to tailor encryption levels and compression ratios.

Potential Use Cases and Benefits

Share sensitive information safely, knowing your PDFs are protected.
Optimize storage by compressing large files, making it easier to manage your documents.
Improve collaboration by sending smaller files via email or cloud storage.
Maintain professionalism with secure document handling in business environments.
Conveniently prepare documents for printing or distribution without sacrificing quality.

By using Encrypt PDF and Compress PDF, you ensure that your documents remain confidential and accessible. This dual approach helps you address common issues of file size and security, allowing you to focus on your work without worry. Make your PDF management straightforward and effective.

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
Download 4dots Free PDF Compress and install it on your Windows 10 computer. Open the app and click Add File to add the PDF that you want to compress. Locate and select the PDF > click Open. Choose how much you'd want to compress the image quality. Once done, hit Compress and you're done.
Click the “Tool”>”Optimize PDF”. Here, you can choose three options for how to make a PDF smaller to email. Choose between Low, medium, and high compression.
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.

How to Encrypt PDF and Compress PDF for Microsoft - video instructions

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