Modify digital signature in PDF on Mac online

How to modify digital signature in PDF on Mac with DocHub

DocHub is a powerful online platform that simplifies document management by enabling users to edit, sign, and distribute PDFs seamlessly. Whether you need to modify a digital signature in a PDF on Mac or complete forms, our editor is designed to enhance your workflow. With deep integration with Google Workspace, you can easily import and export documents, ensuring a smooth and efficient experience for all your document-related tasks.

Follow the steps to modify your digital signature

Open the DocHub website and log in to your account to access your documents.
Upload the PDF file that contains the digital signature you wish to modify. Use the upload function to select the file from your device.
Once the PDF is open in the editor, navigate to the section of the document where your signature is located.
Select the digital signature you want to modify. You can either delete it or choose to edit it directly depending on your needs.
To create a new signature, use the drawing tool or upload an image of your signature to replace the old one. Adjust the size and position as necessary.
After making your modifications, review the document to ensure everything is in order.
Finally, download the modified PDF, print it, or share it directly from the platform for easy distribution.

Ready to streamline your document management? Start using our platform today for free!

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

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

How do I modify a PDF on my Mac?

Open PDFs and make notes with Preview. Select Tools. Select Annotate. Tap the text icon. Place your cursor on the PDF where you want to add new text. Type the text. Use the text icon to change the font, size, and style of the text.

How to validate digital signature in PDF in Mac Preview?

Navigate to the hamburger menu (Windows) or the File menu (macOS) Preferences Signatures. For Creation look and feel, select More Select View documents in Preview Mode checkbox. On the PDF, select the signature field and select Sign Document.

How do I add a digital signature to a PDF in Preview Mac?

Open the PDF in Macs free Preview program and select the signature icon. If youve created your signature already, select it and insert it into the PDF. If you dont have a signature created already, select Create Signature. Once youve inserted your signature, select Done.

Can I import a signature for preview in Mac?

0:03 0:57 Options. If you have a trackpad you can use your finger to sign your name when done simply press anyMoreOptions. If you have a trackpad you can use your finger to sign your name when done simply press any key on the keyboard. To add your trackpad signature to the pdf. File click on the signature.

How do I validate a PDF digital signature?

In the signature Properties window click Show Signers Certificate button. Following screen will be displayed once you click on it. Once you click on OK button, following window will be displayed. Click Ok button in the following window. Once the certificate validation is done, you will get the following approval.

How do I edit a PDF with a signature?

To resolve this, follow these steps: Step 1: Open the PDF Document. Step 2: Access the Prepare Form Tool. Step 3: Select Form Fields for Editing. Step 4: Open Form Field Properties. Step 5: Unlock the Form Fields. Step 6: Finalize Changes. Step 7: Preview and Save. Step 8: Save and Close the Document.

How to do digital signature in PDF on Mac?

To Add An Electronic Signature from Trackpad Open your PDF document. Click on the Markup Toolbar icon. You will see a signature button in the toolbar. You will see a window pop up on your screen with two options: Trackpad or Camera. On the Trackpad window, select Click Here to Begin.

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

be ready to get more

Edit and sign PDFfor free

Get started now

Modify digital signature in PDF on Mac quickly

How to modify digital signature in PDF on Mac with DocHub

Follow the steps to modify your digital signature

PDF editing simplified with DocHub

Drive efficiency with the DocHub add-on for Google Workspace