Lock and Split PDF 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

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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
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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:
Wow, I am just testing the functionality of this system. If it does what I think it can its like having a personal secretary/ administrative assistant. I will gladly pay the premium for the service. My one concern, I want to make sure the is confidentiality and protection for the documents I'm transmitting as they are confidential. These days identity theft and misuse of personal protected inforamtion is critical so, you're assurances my site is secure and my documents I choose to fax and mail from PDF filer are not being inappropriately accessed by PDF filler employees is good to share. I like the email code you require for me to log in, that gives me security. I would like to know that when "chatting" with your team, they can't see my actual documents, just my account. I have no reason not to believe your site is secure, but just sharing. I am considering purchasing a small business, I would use your service daily and would like to be able to "buy up" credits for additional fax capabiltiy. Great service ! I've already referred your system to at least 4 different companies including the mortgage company I'm working with on the purchase of my business who has stated they will refer their clients to it. Thank you.
Jeannette S
2018-04-26
Great product Great product. I've been using this for years. Saved me hundred of hours! Well worth it! The saving part. Too many clicks to save a PDF.
Sumit B.
2019-05-16
spanish feedback: me encanta la manera tan facil en que podemos conectar con aquellos clientes que tienen dificultad para todo cuando se necesita una firma, puedes usar emails, textos y mas, te da solucioin a tu trabajo y eso es LO GENIAL QUE AHI PARA TODO TIPO DE CLIENTE UNA SOLUCION
MARTHA J
2024-09-27
Very useful tool Useful app for managing all your pdf tasks. I always use this app to sign. Very recommended. It doesn't have many free features, you have to pay for the good ones.
Susana V.
2023-02-12
It's a great service that operates smoothly and is good value for money (especially when deals are applied) compared to Adobe. I prefer the interface and the amount of options is comprehensive.
Kathleen M
2022-01-06
awesome pdffiller nothing like this out… awesome pdffiller nothing like this out their by far the best easiest app i have ever use It also has legal forms easy to look up.I spent two days looking for and i came on here and in 10 minutes i had everything thanks a lot
josue beltran
2021-11-03
I was accidentally billed after… I was accidentally billed after cancelling my subscription. I contacted the customer service and was completely blown away by the fantastic and prompt support i received. My refund was effected very very quickly....never had such excellent and responsive service. This first class customer support is second to none. Highly recommend pdfFiller. Thanks a bunch.Sandra
Sandra Akintola
2021-07-22
I find it useful to put documents into PDF and or add to current PDF documents. I also find it helpful when I am helping my students and their class assignments for tutoring purposes.
Mrs. Alisha Van L
2020-11-30
What do you like best? It has been the most useful piece of software I have for finding and applying for jobs: creating CV's and editable job applications very decent mobile app as well after the shock of being scammed by Adobe I hunted far and wide for a solution: PDF filler is it Thank you What do you dislike? Text input is clunky but effective but I can live with it What problems are you solving with the product? What benefits have you realized? For forms and applications that can be completed with mobile app means I can give lighting fast responses to job offers and other essential correspondence like applying for citizenship, legal and financial documents
simon bird
2020-08-30

Easy Lock and Split PDF online and much more, using pdfFiller

If you have ever faced any issues with trying to Lock and Split PDF using online options only, you're not the only one. Even though those are quite popular features which most platforms provide on their own, only a few of them offer the full compatibility to do both simultaneously. By using pdfFiller, you can start to get your time back and complete work faster.

pdfFiller is a professional, online-based PDF editing tool that works from the cloud. In order to Lock and Split PDF, you just need to open a browser, sign in, select a template, and Lock and Split PDF in minutes. The process of editing files in PDF is simple, smooth actually. An advanced set of tools helps you to do what you need and even more. Here are the most helpful tools you may use with your documents on pdfFiller:

01
Layout management features. Rotate, delete, or add new pages
02
Watermarks. Place your logo or company name on the document's pages to protect yourself from plagiarism
03
Electronic signatures. Certify forms or agreements straight from your device
04
Fill out fields. Insert to enable customers to provide the data
05
Smart export. Send a document by fax or email, transfer it to the cloud storage, or download in one of the available formats: PDF, DOCX, XLSX, PPTX, and JPG
06
Templates. Create reusable documents and fill them out as many times as you need

pdfFiller is not only handy but keeps your data safe. We maintain based on the EU and US data protection standards. Thanks to the two-factor authentication, you don't need to go another day with your information exposed to unauthorized third parties.

Value your time and get started with pdfFiller for a more efficient approach to how to Lock and Split PDF.

Lock and Split PDF Feature

The Lock and Split PDF feature helps you manage your PDF files efficiently. Whether you need to secure sensitive information or break a large document into smaller sections, this tool provides the flexibility you need.

Key Features

Easily lock PDFs with password protection
Split large PDF files into manageable sections
User-friendly interface for quick access
Maintain the quality and formatting of the original document
Works across various devices and platforms

Potential Use Cases and Benefits

Secure sensitive contracts and agreements
Prepare presentations by splitting large files
Organize research materials for easier access
Share specific sections of reports without exposing full content
Enhance collaboration by distributing smaller, focused documents

This feature solves your problem by giving you control over your PDF files. You can protect confidential information and tailor documents to meet specific needs. By locking your PDFs, you prevent unauthorized access. Meanwhile, splitting large files improves organization and usability. Embrace a simpler way to manage your documents. With the Lock and Split PDF feature, you focus on what matters most, leaving behind the hassle of unwieldy files.

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
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.
Download and install the program. Select Split mode of the program. Add PDF file. Prepare PDF file. Choose split type. Specify the output location. Split password-protected PDF file.
Click File and Save As to save the read-only version of your PDF to your computer. Browse to your desired save location and click “Save.”

Lock and Split PDF Video Review

#1 usability according to G2

Try the PDF solution that respects your time.
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