Last updated on
Sep 21, 2025
Unlock PDF and Add Page Numbers to PDF for Mobile For 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.
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.
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.
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.
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.
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.
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Top-rated for ease of use
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
It was the only source I could find to obtain 2014 Form 990 forms. The IRS site shows 2014 forms tabs but they are for 2015 which is the wrong form. I could not find the supplemental forms I needed by searching the website so I gave up and contacted customer support on your chat line. The rep was very polite and sought out all the supplemental forms I needed to finish the job. That's a real plus but I should have been able to find the forms on the website.
2015-12-14
On a day that I was going to really need my PDFfiller, the service was interrupted. My auto renewal had frozen up somehow and I couldn't access the service I was paying for. I immediately contacted customer service and notified them of the issue. To say that they went right into action to fix my problem would be an understatement. PDFfiller - you're service is great. You're customer service is AWESOME. Thank you for not only addressing my issue quickly and efficiently but for going above and beyond to make up for the inconvenience to me.
2016-03-30
Love being able to annotate and sign documents. Would love to learn how to interface with others and what is involved asking someone not using PDFFiller to sign a document.
2016-04-11
all the features save so much time! and the price of using them at first seemed ridiculous, but once you realize how much time and effort this can save you the price automatically becomes such an amazing deal.
2019-06-25
What do you like best?
The ease of uploading docs and working with them .
What do you dislike?
The emailing feature doesn't seem to work all the time
Recommendations to others considering the product:
Please give this product a shot. You won't be sorry. It will simplify your life in a way you could never imagine.
What problems are you solving with the product? What benefits have you realized?
Filling out forms, legal docs, etc. I am in a form dominated industry and this saves me a ton of time.
The ease of uploading docs and working with them .
What do you dislike?
The emailing feature doesn't seem to work all the time
Recommendations to others considering the product:
Please give this product a shot. You won't be sorry. It will simplify your life in a way you could never imagine.
What problems are you solving with the product? What benefits have you realized?
Filling out forms, legal docs, etc. I am in a form dominated industry and this saves me a ton of time.
2018-12-31
I had know problem using it.
It is design for people who aren't that familiar with different programs.
Easy to use, self explanatory . Even my wife who rarely uses computer was able to use it.She was surprised her self that she able to use it without much help.
2017-11-14
Everything works wonderfully
Everything works wonderfully. I have not found a program that works better. My only constructive thing to add would be saving and editing. I would like to be able to save the each edit right away then the next like Bluebeam allows.
2024-05-27
Best Service :)
Thank you so much for such good hospitality. Most companies would not offer a refund so easily for an automatic subscription and so fast as well. This shows such good ethics as a company. I really appreciate that! As well if I ever did have the need to use this service, makes me happy to come back and also recommend it to others!
2020-11-14
sometimes the app freezes and takes a few minutes to load which can be inconvenient when files are needed quickly. Also some features also drag for example the signature portion. Overall great app which I use daily for my work.
2020-05-19
Unlock PDF and Add Page Numbers to PDF for Mobile
Managing PDF documents on your mobile device can be challenging, especially when you need to unlock files or add page numbers. Our Unlock PDF and Add Page Numbers feature offers a simple and effective solution for these tasks, allowing you to work efficiently wherever you are.
Key Features
Easily unlock password-protected PDFs
Add page numbers with customizable formats
User-friendly interface for quick navigation
Work seamlessly on your mobile devices
Support for various PDF file sizes
Potential Use Cases and Benefits
Access important documents that are password protected
Prepare reports or presentations with organized page numbers
Share PDF files more effectively with clear pagination
Improve document readability and professionalism
Save time by managing PDFs directly from your mobile device
This feature addresses common problems you face. Whether you have a locked file you need to access or documents ready for distribution that require page numbers, our tool ensures you can accomplish these tasks without hassle. By simplifying the process, you can focus on what truly matters, like delivering quality content.
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
How do I add pages to a PDF file on my phone?
On the Page Layout tab, in the Pages group, click Insert. In the Open dialog, select the document to insert. Click Open. In the Insert Pages dialog, select from the available page range options, and specify where the pages should be placed within your file.
How do I add sequential numbers to a PDF?
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.
How do I PDF a page on my phone?
Open the file that you want to save as a PDF, and then tap File on your tablet or tap the File icon. On your phone.
On the File menu, tap Print.
If not already selected, tap Microsoft Print to PDF on your tablet or tap PDF on your phone.
Tap Print.
On your tablet, the Save Output As page appears.
Can I insert pages into a PDF document?
On the Page Layout tab, in the Pages group, click Insert. In the Open dialog, select the document to insert. Click Open. In the Insert Pages dialog, select from the available page range options, and specify where the pages should be placed within your file.
Can I insert page numbers into a PDF?
Insert Page Numbers in a PDF To do so, go to the “Tools” menu and click “Edit PDF” if editing is not enabled. Click the header or footer where you want the page numbers. Click where you want the page number, select the text font and size you want and click the “Insert Page Number” button.
How to Unlock PDF and Add Page Numbers to PDF for Mobile - video instructions
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