Lock Large PDF Files

Easily Lock Large PDF Files online

Get a document processing solution that is up and running when you need a quick fix. Using an efficient and user-friendly editor that takes care of documents in almost any format, you can find the feature you need and finish your job within a few minutes, even if you are employing it for the first time.

See how straightforward it is to get started and Lock Large PDF Files straight away with DocHub:

Log in to your DocHub account. When you do not have one yet, you can sign up in a few clicks with your existing mail profile.
Proceed to the Dashboard to access stored files.
Click the New Document button and select the most convenient way to add your document and Lock Large PDF Files .
Open the document in editing mode and make any additional alterations if required.
Complete the alterations in your document and save it on your computer in the format of your preference.

Explore more advanced modifying features at your fingertips. Improve your editing experience and process documents much faster with DocHub.

PDF editing simplified with DocHub

Seamless PDF editing

Editing a PDF is as simple as working in a Word document. You can add text, drawings, highlights, and redact or annotate your document without affecting its quality. No rasterized text or removed fields. Use an online PDF editor to get your perfect document in minutes.

Smooth teamwork

Collaborate on documents with your team using a desktop or mobile device. Let others view, edit, comment on, and sign your documents online. You can also make your form public and share its URL anywhere.

Automatic saving

Every change you make in a document is automatically saved to the cloud and synchronized across all devices in real-time. No need to send new versions of a document or worry about losing information.

Google integrations

DocHub integrates with Google Workspace so you can import, edit, and sign your documents directly from your Gmail, Google Drive, and Dropbox. When finished, export documents to Google Drive or import your Google Address Book and share the document with your contacts.

Powerful PDF tools on your mobile device

Keep your work flowing even when you're away from your computer. DocHub works on mobile just as easily as it does on desktop. Edit, annotate, and sign documents from the convenience of your smartphone or tablet. No need to install the app.

Secure document sharing and storage

Instantly share, email, and fax documents in a secure and compliant way. Set a password, place your documents in encrypted folders, and enable recipient authentication to control who accesses your documents. When completed, keep your documents secure in the cloud.

Drive efficiency with the DocHub add-on for Google Workspace

Access documents and edit, sign, and share them straight from your favorite Google Apps.

Install now

How to Lock Large PDF Files

4.9 out of 5

42 votes

In this tutorial, the creator demonstrates how to easily modify a secure PDF file by overriding its security settings. The process involves opening the PDF in Google Chrome, dragging the file into the browser, clicking on the print option, saving the file as a new PDF, and renaming it to avoid overwriting the original. By following these steps, users can edit, copy, cut, and paste content from the previously secure PDF without the need for any third-party tools or websites.

Related features

rework emblem in SE

rework emblem in STW

rework emblem in Sxw

rework emblem in INFO

rework emblem in Troff

rework emblem in TXT

rework emblem in UOF

rework emblem in UOML

Got questions?

Below are some common questions from our customers that may provide you with the answer you're looking for. If you can't find an answer to your question, please don't hesitate to reach out to us.

Contact us

Is there a way to batch unlock multiple PDF files?

How to Unlock Multiple PDF Files Easily? Open the PDF file in Preview by right-clicking on the PDF file. Enter the PDF password. Go to the File menu from the top menu bar, then click Export. Click Permissions and Enter your PDF Owner password, then click Apply. Now, Click Save to export the unlocked PDF.

How do I password protect a PDF easily?

Add a password to docHub (pdf) Open the PDF and choose Tools Protect Encrypt Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.

How do I password protect a PDF file in bulk?

Part 2: How to Password Protect a PDF in 3 Steps? Step 1Upload the file. Download and the Wondershare PDFelement to your system and launch it. Step 2Set the Password. OptionalEdit PDF File. Step 1Click the Batch Process Feature. Step 2Start the process.

Is there a limit to how big a PDF can be?

How to determine the PDF Page Size Print. Per the ISO 32000 standard for PDF, the page dimension limit is 14,400 PDF units in each direction. A PDF unit is 1/72 of an inch so the limit equates to a maximum page size of 200 x 200 inches. (5080 x 5080 mm).

What to do if PDF file is too large?

How to make large PDF files smaller. Using any browser, navigate to the online Compress PDF size tool. Using the Select a file button, upload the PDF you want to compress. Select a compression level either high, medium, or low, based on your needs. Download your compressed PDF.

Is it possible to lock a PDF file?

Add a password to docHub (pdf) Open the PDF and choose Tools Protect Encrypt Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.

See why our customers choose DocHub

Great solution for PDF docs with very little pre-knowledge required.

"Simplicity, familiarity with the menu and user-friendly. It's easy to navigate, make changes and edit whatever you may need. Because it's used alongside Google, the document is always saved, so you don't have to worry about it."

Pam Driscoll F
Teacher

A Valuable Document Signer for Small Businesses.

"I love that DocHub is incredibly affordable and customizable. It truly does everything I need it to do, without a large price tag like some of its more well known competitors. I am able to send secure documents directly to me clients emails and via in real time when they are viewing and making alterations to a document."

Jiovany A
Small-Business

I can create refillable copies for the templates that I select and then I can publish those.

"I like to work and organize my work in the appropriate way to meet and even exceed the demands that are made daily in the office, so I enjoy working with PDF files, I think they are more professional and versatile, they allow..."

Victoria G
Small-Business

be ready to get more

Edit and sign PDFfor free