Encrypt PDF Windows Made Simple Kostenlos

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Zuletzt aktualisiert am Aug 16, 2021

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:
This is a great addition to my business. Fast, efficent and saves a ton of time. I get Forms that need to be signed all the time and I just quickly upload sign/date add notes or make changes and email, fax or scan back. I could not imagine my business without it.
Ally S
2016-10-21
I really love this program - saves me SO much time because I can merge documents or remove pages, along with making changes and corrections. SO much better than rescanning documents!
Lori S
2017-06-22
It keeps mixing up my two accounts - - one subscription with an aol email address and one free account with my fire dept. address. I believe it's due to my MSOffice password settings.
Ben C
2019-06-19
Everything is wonderful Everything is wonderful, however with my bad eyes and being slow, i still say it is great.Sometime I have a little trouble moving from are moving to the area to get going to the PDF. It is not you it is me just a little slow. Can not see that good. I am good enough to get my job done.
Preston Tyeskey
2019-07-12
PDFfiller is very easy to use No instructions needed, so very easy to use. The software is very easy to use, so other than a lower price, it is great.
Deidre P.
2019-03-12
Excellent PDF filling software I really recommend this software, just get a good internet connection or else you might get a bit frustrated. This software is really good for filling pdfs my clients send me and then sign them at ease, and the fact that you can use an extension for your mail and edit online without having to download saves a lot of time Living in a country where slow internet connection is a constant problem, working with this software can be a pain sometime.
Alejandro A.
2018-05-17
Pdf filler is great What I like most about pdf filler is the variety of options you have when editing your files I can't think of anything I dislike about it
Ashley L.
2022-11-15
Must have app! The app helps me daily on my needed pdf files. The feature I love most about PdfFiller is the ability to open any pdf. I love all features of this app and couldn't add anything.
Tina G.
2022-02-11
I give it a 4/5 because sometimes… I give it a 4/5 because sometimes editing text might change the context of the document (ex.remove boxes or darkness of boxes etc). Other than that it's worked fine.
mrs lee
2021-11-14

How to Encrypt PDF Windows Online

Even if someone without your permission tries to open your document, they won’t be able to access the data. Assure that nothing will happen to your document as long as you follow the common security suggestions. You're still able to edit the file and send it to other people.

Encrypt PDF for Windows: Secure Your Documents

Encrypt PDF for Windows offers a straightforward solution to protect your sensitive documents. With this feature, you can easily secure your PDF files from unauthorized access, ensuring your information remains private.

Key Features

Password protection for files
Encryption options to restrict copying and printing
User-friendly interface for quick setup
Compatibility with various PDF viewers
Bulk encryption for large files or multiple documents

Use Cases and Benefits

Protect confidential business reports from prying eyes
Safeguard personal information in legal documents
Ensure client data remains secure in shared files
Prevent data breaches in sensitive research papers
Maintain privacy in any document shared online

This feature effectively solves your problem of document security. By encrypting your PDFs, you gain peace of mind. You can share files confidently, knowing that only authorized individuals can access them. Whether for business, legal, or personal use, Encrypt PDF for Windows transforms your PDF management into a secure experience.

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!

How to Encrypt PDF Windows Made Simple - 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