Secure and Compress PDF 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
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Last updated on Dec 12, 2023

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:
The forms look much more professional when filled out in this manner, rather than a hand written form. Especially since typewriters are out of date. Thank You
Mary G
2015-05-28
THIS APP IS AMAZING ! It has helped me countless times in my personal life and my business ! The template library is huge, I do wish there were more options when it comes to editing a pdf or a library form .
elizabeth y
2019-08-27
What an awesome product. We use accord forms so often in this office that it is nice to have help! We like that most accord forms we use are already available from the site, but more so than that, the fact that we can upload our own documents as well. When you have to generate 150 certificates for one client, all different, this program makes that process seamless. The site runs very well, have not had to deal with freezing issues or losing extensive work because it didn't save, the site always saves my work for me. We just couldn't be more happy with the service. There is not a lot that we do not like about the program, but one thing sticks out for sure. If one of my agents is logged on to the site and another agent logs in, the first agent will usually be kicked off. This was not really even an issue since the system always saved the agents work, and all of my agents will announce now that they are logging in.
Wendy H.
2017-11-17
pdfFiller is a useful PDF editor and e-signing tool pdfFiller is a very easy tool to use if you find yourself needing to sign or edit PDF documents, but don't want to spend a lot of money on more expensive software. I appreciate how easy pdfFiller makes it to electronically sign documents or edit and convert PDF files. The instructions are easy to follow and within minutes you can merge, split or sign documents without to much effort. All in all I can't complain about the software. There were a few instances where I would download my signed document for it to turn out completely blank (in the free version), but then I'd just download it again and that usually solves the issue.
Leri K.
2022-11-03
I used the free trial to compile rent due ledgers for the ************** requirement. I did not cancel on time and was charged $180 dollars. I reached out to support and ****** returned my email within minutes. I provided my information to customer service specialist ****** and he fixed the problem. There wasn't any back and forth emails. It was straight to the point. Thank you ****** for being quick and professional.
Melissa H
2022-04-05
I was a bit misled - I looked up free pdf edit - I edited all the pages I needed, but I couldn't do anything with them until I signed up... so I had to sign up to get to them....
Anonymous Customer
2021-12-02
i like it a lot but i rather buy the software to install... i like it a lot but i rather buy the software to install on my desktop since i only will use it like once or twice per year. but i loved it.
monica m.
2020-04-23
pdffiller.com site is very useful & very helpful to do my studies , Specially PDF TO WORD convert best & fast, om site is very useful &… pdffiller.com site is very useful & very helpful to do my studies , Specially PDF TO WORD convert best & fast, So I Would like to thanks for pdffiller.com website , Such a accurate & fast results for me, Any one who do your higher studies , This website very helpful to do your Microsoft office package converting jobs. Thank you S.H.Y Fernando
yohan fernando
2025-06-15
PDFfiller has great customer support PDFfiller offers a great service, but unfortunately I don't have the opportunity to use it enough. But that truly sets this business apart from the competition is their customer service. I've never seen any other CS that would respond so quickly, be so attentive and managed to resolve my issue so promptly. I cannot recommend them enough.
Michael Soucek
2025-04-02

Use the best online editing tool to Secure and Compress PDF efficiently

In case you have ever been tired with utilizing single-function programs with which you are only capable to complete just one manipulation at one time, we understand how you feel. Even though those are very common features which most programs provide on their own, very few of them offer the full compatibility to do both simultaneously. With pdfFiller, you can start to get your time back and complete work faster.

pdfFiller is a certified, web-based PDF editing tool that works from the cloud. To be able to Secure and Compress PDF, you just need to open a web browser, log in to your account, opt for a template, and Secure and Compress PDF in minutes. The process of editing files in PDF is easy and quick, effortless actually. An advanced set of tools lets you do what you need and even more. Here are the most helpful tools you may use with your documents on pdfFiller:

01
Layout management features. Rotate, add, or delete form pages to achieve your objectives
02
Watermarks. Protect your template by placing your logo or name on pages
03
Digital signatures. Approve forms or agreements right from your device
04
Fillable fields. Insert to allow others to enter their information
05
Smart export. Send a document by fax or email, transfer it to the cloud, or download as one of the available formats: PDF, DOCX, XLSX, PPTX, and JPG
06
Templates. Create reusable documents and fill them out as many times as you want

Additionally, unlike other web applications, our team takes the security of your data seriously. We maintain based on the US and EU data protection standards. We establish a protected connection whenever you sign in to your account and keep information on servers in an encrypted form so that the likelihood of unauthorized access to your profile and included sensitive data is at its lowest.

Value your time and get started with pdfFiller for an efficient approach to your document management.

Secure and Compress PDF Feature

Managing PDF files can be challenging. With our Secure and Compress PDF feature, you can easily streamline your document handling process. This feature not only protects your sensitive information but also reduces file size without compromising quality.

Key Features

Password protection to keep your documents safe
File compression to reduce upload and download times
User-friendly interface for easy access and navigation
Support for various types of PDFs including forms and images
No loss of quality during compression

Use Cases and Benefits

Secure confidential documents for business transactions
Make large files manageable for email sharing
Store multiple PDFs on a device without running out of space
Enhance collaboration by simplifying file sharing
Maintain high-quality files for presentations and reports

This feature solves your problems by ensuring your files remain both secure and efficient. You can protect your important documents while also making them easier to share and manage. Ultimately, you save time and effort while maintaining the integrity of your work.

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 Use the Secure and Compress PDF Feature

The Secure and Compress PDF feature in pdfFiller allows you to protect your PDF documents with passwords and reduce their file size for easier sharing and storage. Follow these simple steps to make the most out of this feature:

01
Upload your PDF document to pdfFiller by clicking on the 'Upload' button on the homepage.
02
Once your document is uploaded, click on the 'Secure and Compress PDF' option in the toolbar at the top of the page.
03
In the 'Secure PDF' section, you can choose to add a password to your document. This will ensure that only authorized individuals can access it. Click on the 'Add Password' button and enter your desired password.
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If you want to restrict certain actions on the document, such as printing or copying text, you can enable additional security settings by clicking on the 'Advanced Settings' button.
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In the 'Compress PDF' section, you can reduce the file size of your document without compromising its quality. Simply click on the 'Compress' button and pdfFiller will optimize your PDF for faster sharing and storage.
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Once you have secured and compressed your PDF, you can download it by clicking on the 'Download' button. You can also choose to save it to your pdfFiller account or share it directly with others via email or a link.

By following these steps, you can easily secure and compress your PDF documents using pdfFiller's intuitive and user-friendly interface. Enjoy the benefits of enhanced security and optimized file sizes for all your PDF needs!

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
Is PDF Compressor Online Safe? One of the biggest concerns about compressing PDF files online is that your private information in the PDF file may be accessed by others. In fact, most online PDF compressors provided by legitimate websites are safe to use. They won't store your PDF files or send them to other platforms.
Start with making a copy of your PDF file (the document will replace the original one), next, open the PDF inside Preview, next head to File > Export > from the Quartz-Filter drop-down menu select Reduce File Size option and click the Save button.
But while these design elements can make your documents pop, they cause your PDF to balloon, making it almost impossible to send and for others to download. Moreover, typical compression creates copies with blurry images that lower the quality of your documents.
Answer: Yes, it's safe to convert PDF files on PDFConvertOnline.com. Your file names are renamed to random file names, so other people can't find them. Your files are only temporarily stored on the server of PDFConvertOnline.com, after the conversion they will be deleted in 24 hours.

#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