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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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:
PDFfiller tools equip me with ability to provide documents from my home office instead of going into the office to use printers and scanners to complete documents and send.
Dee
2016-06-08
I have only just started using PDFiller.com and I am very happy with the product. My only compliant is that I was forced to subscribe to it without the option of a free trail etc When I did a search on the web for a free PDF Editor, PDFiller.com was one of the websites that popped up, I edited my document (which was a theory paper that I had already spent hours on !!) and when it went to saving it I could not without paying for service... so not a free PDF editor!!! And you can not subscribe month to month, you had to pay for a full year. I know that is business but very deceiving!
Michelle C
2018-06-07
Mostly user friendly. Filling in multiple of the same form is not available, or finding that option is impossible. So I used same form over and over - using tab you also have to back space or use mouse to remove previous data and then fill in.
Carole
2018-09-01
Easy to use, unlike other fill and sign apps, it can tell the right size text. It can tell the what parts of the document requires the text. The variety of templates to use for common forms needed for most people. Also a generous 30 day trial A ++++
Rebecca O
2018-11-22
Good Product, Great Service I tried the product but ended up using adobe for no other reason than it was paid for by a client. I forgot to cancel my subscription and was charged. The customer service team resolved the issue immediately without any issues A good product backed up by excellent customer experience! Where else do you get that!
Dominic Jordan
2022-09-16
****** from PdfFiller is Excellent!I needed to cancel my service for the time being for financial reasons and they handled it kindly and seamlessly with no hassle. Should I need this type of service again, I will definitely be back. Would recommend PdfFIller to others. The service itself is intuitive and helped me easily provide my on boarding information for my new job.
Carl S.
2022-05-30
I MADE A FEW ERRORS DUE TO UNCLEAR… I MADE A FEW ERRORS DUE TO UNCLEAR DIRECTIONS WHICH WERE EXPLINED TO MY SATISFACTION. A SATISFYING LEARNING EXPERIENCE.
BEN HARRISON
2021-11-07
As good as DocuSign Allows you to create pdfs that with blanks in order to easily fill out. There are no free versions, so you pretty much just hope that a business has taken the proper steps to acquire this and utilize it.
Christina M.
2021-04-09
Great Customer service Great Customer service. I didn't need the subscription and thought I had cancelled but it turns out I was charged. I contacted them about it and received an immediate response and was refunded the money.
Virginia Blum
2020-05-16

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.”

#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