Send and Unlock 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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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

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:
I didn't want to pay for this feature but it is really a great program. I only wish I would be able to be copied and review status of Signed documents as it progresses without paying additional. Or adding the file for Esign to my personal email sent file.
Nina
2017-06-06
I have no interest in being on a webinar now or at any time in the near or distant future. Please stop insisting and asking me . The answer is NO to webinars.
E. Borg
2018-02-16
PDF Filler is a must for me! I love it! As a small business owner who strives to maintain a professional business image (website, business cards, etc.) , PDFfiller does just that for the proposals I create for my customers ... both future, and repeat. I know for a fact my customers appreciate the quality and professionalism of the proposals they receive from me - they've told me so! Thanks PDFfiller! I love the ability to quickly, and easily, create/copy professional proposals for my customers. I then save each file as a PDF (with my logo embedded at the top left of each document), and attach via e-mail for completing my estimation process with each customer. The only thing I've discovered is with the particular template I use for my particular proposals - my template has an area that indicates "Page 1 of _" ... well, there are no additional pages that are affiliated with my template, so I end up either having to re-edit to ensure my entire proposal fits into "Page 1", or I have to continue additional pages outside of PDFfiller.
Verified Reviewer
2019-01-22
The check mark feature is cool but did not work as smoothly as I'd like. It sometimes just snaps out of the center of where I want to check mark.
Giovanni G
2024-08-12
Works well with 2 exceptions. There was an odd small "box" on the left-hand side of the saved document that I was able to erase with the erase tool. There were also signature verification notifications superimposed on the signatures.
Will
2024-02-16
Sign it! In general is a very good option to fill and sign documents. I did not buy the paid version because I was in need at the moment and it worked perfect for me. I like the easy to follow process of this software. You dont need to know how to use it. As soon as you start filling any document everything march along the way I did not see any cons because I was able to resolve my needs with the free trial. I would hesitate to pay for this software if I need again.
Lilia M.
2022-07-23
Good facilities and free trial welcome. Request for Rating a bit quick though! Comprehensive system that you can use at different levels, from basic form-filling to online collaboration and submission.
Martin T
2021-07-14
Great software Loved the ease of this software - it saves lots of time. This software is so so easy to use and makes filling out forms then saving those forms so much easier. I found no cons with the use of this software. It was so easy to use and eliminated filling out by hand.
Salina B.
2020-05-06
At work, I use ABBY and it is very effective. I didn't think to get that before I chose this. I was searching quickly, but am ok with it. I would to redact in groups by typing the first few characters.
A Reviewer
2025-04-04

pdfFiller — a straightforward tool to Send and Unlock PDF

If you have ever been sick of utilizing single-function platforms with which you are only able to complete a single manipulation at one time, we understand how you feel. Hours were spent switching back and forth among several options. Utilize pdfFiller to get things done quicker and improve these processes.

Why pdfFiller? It's a professional, online PDF editing tool that works from the cloud. In order to Send and Unlock PDF, just open a browser, log in to your account, select a template, and Send and Unlock PDF in minutes. Done online, the process of editing files in Portable Document Format is simple, seamless even. An advanced set of tools helps you to do what you need and even more. Check out some features available in our solution:

01
Layout management features. Rotate, add, or delete document pages
02
Watermarks. Protect your content by placing your company logo or name on pages
03
design. Certify forms or agreements straight from your device
04
Fill out fields. Embed them to let users to type information
05
Smart export. Send a form out by fax or email, transfer it to the cloud storage, or download in one of the available formats: PDF, DOCX, XLSX, PPTX, and JPG
06
Templates. Generate reusable documents and fill them out as many times as you need

Unlike other online-based tools, our team takes the security of your data to the next level. We maintain in accordance with the EU and US data protection standards. pdfFiller creates a secure connection when you log in to account and keep information in an encoded form so that the likelihood of unauthorized access to your profile is at its lowest.

Value your time and get started with pdfFiller for a streamlined approach to how you Send and Unlock PDF.

Send and Unlock PDF Feature

Easily send and unlock your PDF documents with our efficient feature designed to streamline your workflow.

Key Features

Securely send PDFs to multiple recipients
Unlock password-protected PDFs with ease
User-friendly interface for quick access
Track document status and ensure delivery
Compatible with all major devices

Potential Use Cases and Benefits

Share important documents with team members without hassle
Access locked files during crucial deadlines
Maintain security and control over sensitive information
Eliminate the frustration of dealing with incompatible formats
Increase productivity by simplifying document sharing

This feature solves your problem of sharing locked PDFs by providing you with a straightforward solution. You can send files securely and unlock them easily, allowing you to focus on what matters most—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!

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
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. If you receive a prompt, click Yes to change the security. 7. Select Require A Password To Open The Document, then type the password in the corresponding field.
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 in Preview. Go to File, then click Export. Enter the file name, then select Encrypt. Type your password, re-type it, then click Save.
On your computer, go to Gmail. Click Compose. In the bottom right of the window, click Turn on confidential mode. Tip: If you've already turned on confidential mode for an email, go to the bottom of the email, then click Edit. Set an expiration date and passcode. Click Save.
You just need to right-click on the PDF file, and you will see the below window. Select “Remove Restrictions” or “Remove Restrictions & Save as”, and soon you will get a PDF without restriction.

Video Review on How to Send and Unlock PDF for free

#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