PDF Tool - Authentication Online 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:
So far, so good. I don't like that it seems to lose its connection frequently and I have lost data a time or two but that may be a function of where/what I work on. Otherwise, fair deal for the price.
Anonymous Customer
2018-10-10
A very useful product, although a bit tricky (complex) to work with. I don't fill out enough PDFs to make a subscription worthwhile, even at the discounted 75%-off rate. Thank you for allowing me to try it!
Don F
2018-11-01
I needed to create new documents when… I needed to create new documents when my original templates had disappeared because I moved and my email locked me out. PDF Filler came to the rescue and made it possible for me to create all new documents and templates and I was back in business.
Dale R.
2020-01-29
Try Them Out Give the trial period a go, you’ll be fully exposed to the functionality of the site. Customer support is communicative and relatively fast. The site wasn’t a fit for my personal needs, but the things that it did do, it does well. Reasonably priced also if you find yourself constantly editing PDFs.
Dejon Hill
2024-11-16
I like the flexibility of this program I like the flexibility of this program. But there is a glitch when trying to edit some of the text lines. The original text area shrinks so small you cannot see it, I figured out that using the "T" text increase option helps fix the issue, it took me a bit to figure it out.
LorrieH.
2024-07-10
Easy Cancellation I don't usually need to fill a pdf but this one time I did. I was pleased that I got the free trial. I used it the one time and was able to cancel the next day. Thank you, pdfFiller!
A Ables
2024-04-05
What do you like best? How easy it is to access all documents and edit previous documents What do you dislike? I wish there were more tools to help edit, such as cropping a document or resizing What problems are you solving with the product? What benefits have you realized? It usually takes a while or is difficult to edit a document, but with PdfFiller, it's easier and faster. I can take a form I often use, and instead of entering the information every time, I can change the date
Administrator in Construction
2021-08-04
I am very excited to use this product I am very excited to use this product. I was able to troubleshoot much on my own. My only struggle was in saving final product and bringing back up to update.
Jean P.
2020-08-20
Very satisfying!!! It has been a very helpful tool to modify and to fill up forms related to my work. The only thing I regret is not have been subscribed earlier.
MAX
2020-05-10

Instructions and Help about PDF Tool - Authentication Online For Free

PDF Tool Authentication: full-featured PDF editor

There’s a large marketplace of programs out there to manage your documents 100% paper-free. Most of them offer the essential features only and take up a lot of space on computer and require installation. In case a simple online PDF editing tool is not enough and a more flexible solution is required, save your time and process your PDF documents efficiently with pdfFiller.

pdfFiller is a web-based document management service with an array of built-in modifying features. It will be a perfect match for those who often in need to modify documents in PDF, fill out the form in Word, or convert a scanned image to editable format. With pdfFiller, you can make documents fillable and share them with others right away, edit PDFs, sign contracts and more.

Simply run the pdfFiller app and log in using your email credentials. Search your device for a needed document to upload and change, or simply create a new one yourself. From now on, you will be able to easily access any editing feature you need in just one click.

Use editing features such as typing text, annotating, and highlighting. Once a document is completed, download it to your device or save it to cloud storage. Add and edit visual content. Ask your recipient to fill out the fields and request an attachment if needed. Add fillable fields and send documents to sign. Change a form’s page order.

To edit PDF document you need to:

01
Upload a document from your device.
02
Open the Enter URL tab and insert the hyperlink to your sample.
03
Search for the form you need in the catalog.
04
Upload a document from your cloud storage (Google Drive, Box, Dropbox, One Drive and others).
05
Browse the Legal library.

Using pdfFiller, editing templates online has never been as straightforward and effective. Go paper-free easily, complete forms and sign contracts within just one browser tab.

PDF Tool - Authentication Feature

The Authentication feature of our PDF Tool offers you a reliable way to protect your sensitive documents. With this feature, you can ensure that only authorized users can access your files. This becomes crucial in today's digital landscape where security is paramount.

Key Features

User password protection for secured access
Role-based access controls to manage user permissions
Simple interface for easy setup and management
Audit logs to track document access and modifications
Compatibility with various PDF formats

Potential Use Cases and Benefits

Protect confidential business reports from unauthorized readers
Secure personal documents like tax returns and medical records
Facilitate secure collaboration within teams while maintaining control
Comply with industry regulations for data protection and privacy
Enhance customer trust by safeguarding their sensitive information

By implementing the Authentication feature, you can address the challenges of document security effectively. It prevents unauthorized access, reduces the risk of data breaches, and gives you peace of mind. Now, you can share and manage your PDFs without worrying about who may see them. This feature empowers you to maintain control over your important documents.

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 file in PDF Converter Professional. Left-click on the Digital Signature field. Click “Verify Signature”. Click “Properties”. Click “Verify Identity”.
Open the PDF file in PDF Converter Professional. Left-click on the Digital Signature field. Click “Verify Signature”. Click “Properties”. Click “Verify Identity”.
Open the file that contains the digital signature you want to view. Click File > Info > View Signatures. In the list, on a signature name, click the down-arrow, and then click Signature Details.
Digital signature technology allows the recipient of given signed message to verify its real origin and its integrity. The process of digital signature verification is purposed to ascertain if a given message has been signed by the private key that corresponds to a given public key.

#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