Your go-to platform to Lock PDF and Convert PDF to PNG in Google Chrome

Aug 6th, 2022
forms filled out
0
forms filled out
forms signed
0
forms signed
forms sent
0
forms sent
Service screenshot
01. Upload a document from your computer or cloud storage.
Service screenshot
02. Add text, images, drawings, shapes, and more.
Service screenshot
03. Sign your document online in a few clicks.
Service screenshot
04. Send, export, fax, download, or print out your document.

How to Lock PDF and Convert PDF to PNG in Google Chrome with DocHub

Form edit decoration

DocHub is your go-to platform for streamlined document editing, signing, and distribution. With its deep integration with Google Workspace, our editor allows users to import, export, modify, and sign documents directly from Google apps, ensuring efficiency in your business processes. Whether you need to lock a PDF or convert it to PNG, DocHub provides the tools to manage your documents online for free, making it a powerful solution for all your digital document needs.

Follow the steps to Lock PDF and Convert PDF to PNG in Google Chrome

  1. Open the DocHub website and log in to your account.
  2. Upload the PDF document you wish to lock by dragging it into the designated area or using the upload feature.
  3. Once the PDF is uploaded, locate the option to lock it. This will prevent any unauthorized changes to your document.
  4. Next, navigate to the tool that allows you to convert your locked PDF to PNG format.
  5. Select the desired conversion settings, ensuring your PNG files will maintain the quality and layout of the original document.
  6. After the conversion is complete, you can download the PNG files directly to your device, or share them via email or other platforms.

Get started today with DocHub to efficiently manage your documents and discover the convenience of locking PDFs and converting them to PNG, all from your browser.

PDF editing simplified with DocHub

icon
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.
icon
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.
icon
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.
icon
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.
icon
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.
icon
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.
DocHub Reviews
44 reviews
DocHub Reviews
23 ratings
15,005
10,000,000+
303
100,000+ users
dochub logo
google logo

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

Got questions?

Here 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
In the Chrome browser, select the three vertical dots in the upper-right corner. Choose Settings Advanced Privacy and security. Select Site Settings PDF documents. Use the toggle switch next to Download PDF files instead of automatically opening them in Chrome to turn the feature on and off.
In Chrome, click the three dots in the upper right corner of your browser window. Navigate to Settings Advanced Privacy and Security. Click Site Settings PDF Documents.
Some logical possibilities include that: You dont have a PDF reader or software downloaded. Your default settings on your PDF software might be set to a web browser. You havent turned off Chromes automatic setting to work as a PDF viewer.
Right-click the PDF, choose Open With Choose default program or another app in. 2. Choose docHub Reader DC or docHub in the list of programs, and then do one of the following: (Windows 10) Select Always use this app to open .
How to password protect a PDF on a Chromebook. Begin by navigating to the password protection page on Acrobat online. Click the blue button labeled Select a file or drag and drop your PDF into the drop zone to upload. Create a password between 6 and 32 characters. Enter the password and retype it to confirm.
Follow these steps to convert a PDF to a PNG file. Navigate to the Convert PDF page on docHub online. Click the blue button labeled Select a file or drag and drop the file into the drop zone to upload your PDF. Choose PNG from the file format drop-down menu. Or choose JPG or TIFF instead, if you wish.
How can I convert PDF files to PNG? Use the file selection box to select the PDF files you want to convert to PNG files. Start converting your PDFs to PNG by clicking on the Convert button. Save the converted PDF files as PNG by using the download button.
Why does my default PDF viewer keep switching back? A PDF viewer switching back to a native one is a frequent issue in Windows. When a default app is changed, whether youre using the Default apps settings page or choosing Always use this app in a file-open dialog, the association is registered as User Choice.

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

Security and compliance

At DocHub, your data security is our priority. We follow HIPAA, SOC2, GDPR, and other standards, so you can work on your documents with confidence.

Learn more
ccpa2
pci-dss
gdpr-compliance
hipaa
soc-compliance
be ready to get more

Edit and sign PDFfor free

Get started now

Related Searches

Lock pdf and convert pdf to png in google chrome free Lock pdf and convert pdf to png in google chrome download pdf to jpg pdf to png ilovepdf convert pdf to png free pdf to png transparent pdf to png smallpdf pdf to png high quality

Try more PDF tools

Edit & Annotate
Edit PDF
Add Fillable Fields
Create PDF
Insert and Merge
Add Page Numbers
Rotate Pages
Delete Pages
Convert
Word to PDF
TXT to PDF
HTML to PDF
CSV to PDF
PPT to PDF
RTF to PDF
JPG/JPEG to PDF
PNG to PDF
Collaborate & Share
Add Comments
Fax
PDF Status
Sign & Send
Sign a PDF
Send for Signing
Protect PDF
Set PDF password
Readable PDF
Certify PDF
PDF Audit Trail
Others
Search for PDF
Export
Download
Flatten Fields
Print out
support@dochub.com
17 Station St., Ste. 303 Brookline, MA 02445
Google Play App Store
© 2026 DocHub, LLC
All Rights Reserved.
Products
PDF Editor
Forms & Templates
Sign Documents
Server Status
Pricing
Forms Library
Features
Functions
Company
About
Terms of Service
Privacy Notice
Legal Hub
E-Signature Compliance
Support
Release Notes
Bug Bounty Program
Resources
Blog
DocHub Mobile App
pdfFiller
US Legal Forms
SignNow
altaFlow
Instapage
What's New
New
DocHub v6.6.0 - @mentions, AI assistant and more
Contact us
support@dochub.com
17 Station St., Ste. 303 Brookline, MA 02445
Google Play App Store
© 2026 DocHub, LLC
All Rights Reserved.