Lock PDF and Compress PDF for MSFT For Free

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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
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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:
Nice program. Was able to learn without reading the guide much. Would like the option to pay per document instead of subscribing via monthly or yearly.
David H
2017-03-10
I am looking for a company wide solution that works for us to electronically fill out pool construction contracts and then have customers sign them and notify our accounting department of the signed contracts
Rachel H
2017-07-28
so far ease of use seams to be the direction this system is built on. I would love to see more controls to authorized users and an auto save feature from original templates after and before fill. over all I love how going paperless is very easy to use
Earn H
2018-04-25
So far so good. I have only been using it for two days so I'm still new but I think it is going to work well for my needs! Follow up. A couple of weeks in and we are extremely happy with this subscription service. I work for a school district and have equipment to check out to various teachers in 28 different schools. This has really made my job easier..
Kathi
2018-08-23
I have used PDF filler a couple of times and so far I love it! Just a little suggestion, maybe you can add/give the option to be able to change the size of the fonts without having to add a text box where there is already one to fill (does it make sense?). Thank you!
Amparo
2018-11-10
Convenient, Affordable, Online PDF Editing & Mgmt Tool I use PDFfiller on a regular basis. The enhanced security options, including the ability to email a PDF to someone and that automatically includes a 'security code' for retrieval of the document gives me a sense of security since the actual document is not attached to the email, which could be intercepted if someone hacked into your mail server. I also use the merging tools, allowing me to combine multiple PDF's into one file, move pages, etc. It helps me to better organize my PDF libraries. Considering the other options of using a very high-priced service/product (Acrobat), PDFfiller is, in my opinion, a much better tool. I've been using 'PDFfiller', for the last 2 years. The editing tools available are great, including filling out forms, editing text, adding comments and signatures, makes it a very convenient to import and work with documents on-the-go. The ability to import/export to/from cloud-based sources as well as drag & drop. Import options makes things much easier in-terns of document management Honestly, there haven't been any tasks that I typically need to with PDF editing, etc. that PDFfiller already provide.
Marty L.
2019-01-16
I always enjoy how I can find any… I always enjoy how I can find any document I need and the site is uber easy to navigate and that is the plus, plus!
Stephanie Lofton
2023-03-07
Please assist the General Associate… Please assist the General Associate Members to Supreme Court Victoria Melbourne Australia for concealing the documents. There was an issue from electronic filing documents with in person appointments with Lawyers (Hymans Solicitors Dandenong and Mepstead Lawyers Pakenham Victoria Australia) The settlement with Van Lierop Lawyers Ringwood Victoria Australia, the fraudulent occurred with another Subsidiary of Westpac Banking Corporation (Bank of Melbourne) with Evan Lay and Williams Lawyers.
Jocelyn Raborar
2022-05-12
PDFfiller is the best. I have never had an issue with PDFfiller. it has helped me in so many ways that without I really don't know what I would have done.
chris h
2021-05-17

Lock and Compress PDF Features for MSFT

Our Lock PDF and Compress PDF features for MSFT provide essential tools for managing your documents securely and efficiently. With straightforward functionalities, you can protect your sensitive information and optimize your files for easy sharing.

Key Features

Password protection to secure PDF documents
Compression to reduce file size without losing quality
User-friendly interface designed for all experience levels
Quick and efficient operation to save precious time
Compatibility with various MSFT applications

Use Cases and Benefits

Share confidential contracts and agreements securely
Send large files via email without exceeding size limits
Store important documents safely without risking unauthorized access
Easily access and manage multiple PDF files in one platform
Ensure file quality is maintained while achieving smaller sizes

By using our Lock PDF and Compress PDF features, you directly address the challenges of document security and file management. Protecting your sensitive information becomes simple and effective, while file compression allows for seamless sharing across platforms. This dual functionality ensures that you spend less time worrying about file sizes and security, and more time focusing on your core objectives.

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.

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Try the PDF solution that respects your time.
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