Password Protect PDF and Esign PDF for Windows Kostenlos

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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
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:
Just getting started with some of the applications, but so far, so good. Definitely beneficial in replacing lost forms. Looking forward to other uses. Maybe survey another time. Thank you.
Eleanor
2015-02-24
What do you like best?
I really like the fact that you can create your own templates and save them for future use. I also like being able to send a text to another party and have them sign electronically.
What do you dislike?
The only real complaint I have is that I keep getting signed out.
Recommendations to others considering the product:
I highly recommend PDF Filler to anyone that needs the ability to edit, create, and manage PDFs. It is easy to use and has a great price point.
What problems are you solving with the product? What benefits have you realized?
PDF Filler makes it incredibly easy to redact documents.
Administrator in Law Practice
2019-01-28
Fantastic online PDF signing and editing tool This is a great online resource for signing, stamping and editing PDF documents without needing to purchase a PDF editor. With the free plan, your limited in terms of collaboration, file sharing and upload locations. However, the paid plans are very reasonably priced and you can just purchase month by month as needed.
Scott R.
2018-06-27
This program has great functionality This program has great functionality for myself and my team and they have excellent customer service. I switched to PDF filler nearly two years ago and have never looked back.
Denise P.
2024-12-04
Ralph help me very quickly today Ralph help me very quickly today! I thought I had cancelled my subscription and then I was charged, I explained everything to Ralph and he took care of me and my situation all in the same day. Very appreciative of the customer service I got.
Angela Boyer
2024-02-29
I chatted with two reps for over an… I chatted with two reps for over an hour each with no results. I then chatted with KARA and in less than five mins my problems were solved. Kara is earning her pay cheque, she is a true asset to this company. YOU NEED YO PAY HER MORE MONEY.
Anthony Guadag
2022-09-27
It's a comprehensive and easy to use software. Very convenient and perfect for multiple purposes. I've tried other PDF editor sites and this one is without a doubt my FAVORITE! Thanks pdfFiller!
Tyana N
2022-08-13
PDFfiller Great customer response PDFfiller reacted very quickly and positively to my request. I was impressed that their customer team got back to me within minutes with a complete solution to myquery. A very professional team:0)
CardiffMike
2020-11-10
Good Good, but would be better if the cursor would line up exactly on each line with the line above. It's frustrating to have to manually line it up every time.
Dennis Teeling
2020-05-29

Password Protect PDF and Esign PDF for Windows

Secure your documents with ease using the Password Protect PDF and Esign PDF feature for Windows. This tool ensures your important files remain confidential and professionally signed, moving you towards a more secure workflow.

Key Features

Easily password-protect your PDF files to prevent unauthorized access.
Sign PDFs electronically for quick and reliable document approval.
User-friendly interface designed for individuals and businesses alike.
Support for various document formats to enhance versatility.
Quick document processing for efficient workflow management.

Potential Use Cases and Benefits

Ideal for freelancers needing secure contracts and agreements.
Suitable for businesses handling sensitive client information.
Helpful for students who want to submit secure assignments.
Perfect for anyone looking to record and protect personal information.
Great for professionals managing confidential reports.

This feature addresses your concerns about document security and ease of signing. By password-protecting your PDFs, you remove the risk of unauthorized access, keeping your private information safe. Plus, with electronic signing, you eliminate the hassle of printing and scanning documents, making your process much more efficient. With this solution, you can have peace of mind knowing your documents are secure and handled professionally.

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
Choose Tools > Protect > Encrypt > Remove Security. Remove Security: The options vary depending on the type of password security attached to the document. If the document has a Document Open password, click OK to remove it from the document.
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 Password Protect PDF and Esign PDF for Windows - 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