Last updated on
Dec 12, 2023
Lock PDF and Split PDF for Mobile 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
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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:
PDFfiller was a great source for forms. It has many different features which were easy to use once you learned them. The tutorial videos make it really easy.
2015-09-13
If the pop ups on the forms would stop that would be terrific. It would also be nice before I go putting all my personal info in the form that you put the price up front.
2016-04-19
PDF filler has worked for our business through out the year and would highly recommend it. We mostly use it for fax purposes, but for us that alone is worth what we pay per year.
2019-01-07
Time is Money
The document import feature, text alignment tools, and being able to directly type into the document has saved me a lot of time hand-writing statements. This is a good product. Thanks!
2019-10-03
Customer service is second to none
Customer service is second to none - this company's first priority is your satisfaction. I wanted to try this product and was enabled to do so because of the money-back guarantee. Great experience ;)
2019-04-02
I love this company! Not only a great product, but when I had an issue, customer service solved it for me in minutes!!! They are fantastic! Honest and trustworthy!!!
2024-03-30
Took some getting used to the different…
Took some getting used to the different text box features, but overall good. Worth the annual cost to be able to edit and print PDFs
2024-01-17
I may a few times a year need to use…
I may a few times a year need to use editing or signature for pdf document. I was able to use edit to blackout simply by using quick guide under "Blackout'. Very simple and easy to adjust for use.
2023-11-22
Easy to use program and great asset to…
Easy to use program and great asset to any agency to have for updating their forms to be fillable forms.
2021-04-01
Lock PDF and Split PDF for Mobile
Managing PDF files on your mobile device just got simpler with our Lock PDF and Split PDF feature. This tool provides essential functionality for anyone who frequently deals with important documents. Whether you are a student, a business professional, or someone who shares files often, this feature helps you keep your PDFs secure and organized.
Key Features
Secure your PDFs with password protection
Easily split large PDFs into smaller, manageable files
User-friendly interface for quick navigation
Access files on the go with mobile convenience
Maintain the quality of the original document
Use Cases and Benefits
Protect sensitive information from unauthorized access
Share only the necessary sections of large documents
Organize your files for clearer presentation in meetings or classes
Reduce file size for easier sharing via email or messaging apps
Enhance productivity by managing documents directly on your mobile device
This Lock PDF and Split PDF feature addresses the common problems of document security and file management. You no longer need to worry about sharing sensitive information, as you can easily lock your PDFs with a password. Additionally, if you have a large document, you can split it into smaller files that are easier to handle. With this functionality at your fingertips, you gain control over your PDFs and ensure that your important information remains safe and organized.
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 split up PDF files for free?
Drag and drop your PDF into the PDF Splitter.
Choose to 'Extract every page into a PDF' or 'Select pages to extract'.
For the latter, select the pages you wish to extract.
Click 'Split PDF', wait for the process to finish and download.
How do I password protect a PDF on my phone?
Open the PDF Utilities app and tap Select next to Select PDF. Once you've located your file, select it and tap Start. You'll get a pop-up asking you enter the PDF password.
How do I password protect a PDF for free?
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.
How to Lock PDF and Split PDF for Mobile - video instructions
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