Lock PDF and Add Page Numbers to PDF for Android Kostenlos

Drop document here to upload
Select from device
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.
0
Forms filled
0
Forms signed
0
Forms sent
Zuletzt aktualisiert am Dec 12, 2023

Discover the simplicity of processing PDFs online

Card illustration
Upload your document in seconds
Card illustration
Fill out, edit, or eSign your PDF hassle-free
Card illustration
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

Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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:
at first it was a little frustrating and I am still having difficulty in put totals on one of the pages. How do i remove the 0, to replace my correct figure?
Diane C
2015-08-21
I'm impressed with PDFfiller but I think there could be more options of background colours of the textbox, including different shades within each color.
Luciano
2017-06-06
I love it but when I was trying to edit document I could only click and erase some fields. I had to use the eraser for the rest. But overall great product.
Anonymous Customer
2018-11-27
PDF Filler is great PDF Filler is great, I only gave it 4 Stars because the amount of features and functionality can be confusing and the interface is a little out-dated, but this is the most complete PDF solution available.
Chad Statham
2020-04-14
Exceptional Support ... Exceptional Support ...I purchased an online PDFfiller annual plan for $120 by mistake. I really only wanted to try it for a month. Anyway, as it turned out, it was not a good fit for me so I requested a cancellation. It is one of the most hassle-free refunds that I ever experienced ... was done overnight for the full amount. I am truly impressed and will gladly do business with them again.D. McPhersonEntrepreneur
D McPherson
2019-06-12
I was most grateful for the free… I was most grateful for the free service. I don't often need this type of software so was particularly pleased. Worked like a charm. Thank you
Mrs JG
2024-10-03
First review It works better than most others I've tried.It is sometimes a bit difficult to navigate as I dont use it too often. I dii have an issue with support, but they did finally undertand my query and they fixed it up, with a very good explanation.
John
2023-07-16
Ralph - My favorite support friend I requested a refund for a yearly subscription that I did not remember signing up for. I reached out once before and did not receive a response. I reached out again today (2020-10-24) and Ralph responded right away. He was extremely helpful and nice and solved my problem right away. I am extremely satisfied with my experience and I will definitely keep PDF Filler in mind if I or my friends need a safe place to store or edit documents. Thank you for your great support and for hiring a great employee like Ralph! He is amazing and I truly appreciate him.
Mariyam Hassan
2020-10-25
pdfFiller’s customer service pdfFiller’s customer service is exceptionally attentive to their customers. Their fast and prompt reply makes them a step above the rest.
Margaret Dixon
2025-04-05

Lock PDF and Add Page Numbers for Android

Managing your PDF documents has never been easier. With the Lock PDF and Add Page Numbers feature for Android, you can enhance your document's security while also improving its organization. Whether you need to protect sensitive information or keep your pages in order, this feature can meet your needs effectively.

Key Features

Secure your PDF files with password protection
Easily add page numbers to any PDF document
User-friendly interface for efficient navigation
Quickly lock and unlock files as needed
Compatible with various PDF formats

Potential Use Cases and Benefits

Ideal for students who want to secure their assignments
Useful for professionals sharing confidential reports
Helps authors keep their drafts organized with page numbers
Aids in preparing documents for presentations or meetings
Enhances the overall presentation of official documents

This feature solves common issues faced by users when handling PDF files. By allowing you to lock your PDFs, you can prevent unauthorized access to your information. Adding page numbers streamlines document navigation, making it easier for readers to follow your content. With these tools, you can ensure your PDFs are both secure and organized.

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.
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 Lock PDF and Add Page Numbers to PDF for Android - 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