Lock PDF and Add Page Numbers to PDF for Chromebook For Free

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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:
It is very practical and resourcefule. I had no issues what so ever and I didn't have to do a tutorial to learn how to navigate since everything is perfectly laid out.
Yesika G
2016-10-07
It seems to be the one site that I can get that document or contract completed when I cannot find it anywhere else on the Net. I always end up at this site at ridiculous hours so Thank you PDFfille
Felisa R
2017-11-22
I use PDFfiller for so many things. Filling in documents like applications, signing documents without printing them, modifying PDF files. It has been an invaluable tool.
Heidi M
2018-12-07
I find this really easy to use. We are travelling full-time so haven't got a printer. This saves us searching for a Library or private printer to use.
Liz D
2019-06-28
What do you like best?
The ability to edit PDF documents quickly and easily
What do you dislike?
When documents are locked by other applications such as DocuSign you cannot sign them or open them with this software. You are however able to sign them on that platform after creating a separate logon with DocuSign.
What problems are you solving with the product? What benefits have you realized?
Ability to send to sign is a huge time saver in getting contracts signed by sellers
Corey Bauer
2019-05-21
Love the product Love the product. Works fantastic for me as a property manager. I am using this tool for not only real estate purchase forms but also tenant forms! Especially useful in our mobile workforce where people are not available to sign documents or not even in the same state. Highly recommend PDFfiller!
Gregory Muehl
2019-03-05
Very easy to use I like that it notifies me when someone has completed the document. I also like how you can customize the fields between numbers and dates which makes it fool proof. Support is very quick to respond and helpful. I have been trying to set up a document to copy certain fields throughout so they do have to enter their "name" every time, but I have had trouble trying to figure it out.
Vanessa D.
2017-11-27
Excellant! I am an insurance Broker My forms are stored and I can retype the information for the up coming renewals with applications for Insurance both Liability and Property and Specialty insurance I would like that PDFiller would have a storage data for my forms that I can go back to each year for each of my clients and update for the new year, thus redosing my retyping of information on the Acord Form.
Lynn H.
2017-09-26
I love the ease of PDF Filler and their customer service is awesome! Questions were answered immediately and they were professional and kind, which is rare. I absolutely recommend this service!
RoxannaR
2020-06-24

Lock PDF and Add Page Numbers to PDF for Chromebook

Enhance your PDF experience on your Chromebook with our reliable Lock PDF and Add Page Numbers feature. This tool empowers you to secure your documents and organize them with ease. Perfect for both personal and professional use, you gain control over your important files.

Key Features

Lock PDFs with password protection for enhanced security
Easily add page numbers to your documents
User-friendly interface designed for quick navigation
Compatible with various PDF formats
Preserves the original formatting of your PDFs

Potential Use Cases and Benefits

Protect sensitive information from unauthorized access
Organize documents for presentations or reports
Create legally binding agreements with locked content
Simplify navigation through long PDFs with page numbers
Present a professional image in your business communications

This feature solves your problems by ensuring that your PDFs are both secure and easy to read. You can lock any document to guard against edits and allow only authorized users to view it. Adding page numbers helps in referencing documents without confusion, making it straightforward to find the information you need. With this tool, you deliver clear, organized content while keeping your documents safe.

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
You have to open a PDF document, select the pages that you want to hide and then click on the Lock button. A red padlock icon will be displayed in the page preview over the pages that are locked. You can then save the PDF file, and it will ask you for a password before saving the PDF document with locked pages.
Q: How do I add sequential numbers to a PDF? Step 1: Download and Run PDF Sequential Number Generator. Step 2: Click on Add File to insert PDFs for printing sequential numbers. Step 3: Enter the Sequential numbering format to print in the PDF.
Open the PDF file. Fill in/complete the all the fields within the form. After completing your assignment, select the Print icon. Make sure the Destination reads Save as PDF. Select the Save icon and save the file. You can then submit the PDF file that you saved by selecting it from your files.

How to Lock PDF and Add Page Numbers to PDF for Chromebook - 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