Protect Feature Format 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:
Initially, I wasn't too sure on how to use the various features and tools available. I took my time to read each area carefully, used the "help" icon. Very pleased with the results of todays work.
K.MOSS
2017-04-04
What do you like best?
We can do everything the computer & save paper
What do you dislike?
There is nothing about PDF filler that I dislike. Love everything about it.
What problems are you solving with the product? What benefits have you realized?
Everything is paperless
Administrator in Medical Practice
2019-01-28
What do you like best?
I like templates that enable me to prepare forms rapidly. Easy to prepare documents without using a typewriter.
What do you dislike?
No specific dislikes I cannot think of anything i dislike
What problems are you solving with the product? What benefits have you realized?
I can create forms that are easy produce and that are legible. Legible documents that enable me to communicate clearly with others.
User in Medical Practice
2020-02-03
So simple to use I regularly have the need to edit & sign documents & have used a few of the other free & paid services, PDF Filler has been great to work with so I renewed my subscription again.. I find importing a PDF easier than most other similar softwares... changing font sizes and styles is simple and the process is fast even on my slow internet service.. So far I have not had an issue with any of the features..
Shane M.
2019-09-18
PDFfiller Review Overall, the experience is very good. I plan on using it for a very long time. It's very easy to navigate. PDF Filler makes it easy for small business owners as myself to have the professional look when conducting business. It's a lot of features that I don't need. This sometimes causes confusion and extra time navigating around the site.
Christopher T.
2019-01-22
I had such a great customer support… I had such a great customer support experience today with Marie, she helped me resolve my issue quickly and with clear instructions. I truly appreciate her knowledge skills and efficiency
Caitlin Hueller
2024-11-08
4 stars for now 4 stars for now, I will change it once I receive my refund but I am happy with my interaction with their chat support. His name is Ralph, very straightforward , no wasting of time unlike other customer supports I encountered in the past.
Ralyn Joy Alarcon
2024-09-20
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
Great Customer Service I was checking out pdfFiller to help with a project I was working on. I must have started a free trial and forgot to cancel. I received a charge for an annual subscription via paypal. Customer service was quick to give me a refund for the mistake. The agent was amazing. Helped me right away, issued a refund. Wow! Best CS I have ever received. Thanks so much.
Ralph Hall
2021-07-10

Instructions and Help about Protect Feature Format For Free

Protect Feature Format: easy document editing

The Portable Document Format or PDF is one of the most popular document format for numerous reasons. They are accessible from any device, so you can share them between devices with different screens and settings. PDFs will appear the same, whether you open them on an Apple computer, a Microsoft one or on smartphones.

Security is another reason why do we would rather use PDF files for storing and sharing personal information and documents. That’s why it is important to pick a secure editing tool when managing documents. When using an online solution to store documents, it's possible to track a viewing history to find out who had access to the file before.

pdfFiller is an online editor that allows you to create, modify, sign, and send PDF using one browser window. The editor is integrated with major Arms, so users can edit and sign documents from other services, like Google Docs and Office 365. Once you’ve finished changing a document, you can send it to recipients to fill out and get a notification when it’s completed.

Use powerful editing tools such as typing text, annotating, and highlighting. Add and edit visual content. Change a page order. Add fillable fields and send documents for signing. Ask other users to complete the document. Once a document is completed, download it to your device or save it to the third-party integration cloud.

Get your documents completed in four simple steps:

01
Start with the pdfFiller uploader.
02
Click the Tools tab to use editing features such as text erasing, annotation, highlighting, etc.
03
Add input fields if you need any: pdfFiller supports text, checkboxes, radio buttons, dropdown lists etc.
04
When finished, click Done and proceed to downloading, sending or printing your document.

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
In your Excel file, select the worksheet tab that you want to protect. Select the cells that others can edit. Right-click anywhere in the sheet and select Format Cells (or use Ctrl+1, or Command+1 on the Mac), and then go to the Protection tab and clear Locked.
To set it up, open your Excel file and head to the File menu. You'll see the Info category by default. Click the Protect Workbook button and then choose To encrypt with Password from the dropdown menu. In the Encrypt Document window that opens, type your password and then click OK.
Password Protect an Excel Workbook File Click on the Protect Workbook dropdown option and choose To encrypt with Password. As is the case with any password, choose a strong and secure combination of letters, numbers, and characters, bearing in mind that passwords are case-sensitive.
Step 1 Press ALT + F11 or click View Code on the Developers Tab. Step 2 Double-click on the worksheet that is password protected. Step 3 Copy and paste the code below into the (Code) window. Step 4 Click on the Run Button or press F5.
Right-click a worksheet tab. Click Protect Sheet. Enter a password. Check the actions you allow the users of your worksheet to perform. Click OK. Note: if you don't check any action, users can only view the Excel file! Confirm the password and click OK.
Open the Format Cells dialog by pressing Ctrl + 1. Or, right-click any of the selected cells and choose Format Cells from the context menu. In the Format Cells dialog, go to the Protection tab, uncheck the Locked option, and click OK. This will unlock all cells in your worksheet.

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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