How to Create a Digital Signature in Mac Preview and Manage It with signNow

TL;DR

Create a digital signature in Mac Preview by drawing or scanning your signature and saving it for reuse, but for full eSignature workflows—fillable fields, secure sending, multi-signer routing, audit trails, and compliance—use signNow to fill, eSign, request signatures, and store documents securely under ESIGN and HIPAA (BAA) controls.

What Creating a Preview Signature Means

Creating a digital signature in Mac Preview means using the app to capture your handwritten signature or draw one with a trackpad, then inserting that image into PDFs as a visual signature. It is a quick, local method to sign a document but lacks the workflow tools, compliance features, and audit trail required for many business uses. For legally binding, trackable eSignatures across teams and external signers, platforms like signNow provide templates, signer authentication, envelope management, and secure storage integrated into enterprise systems.

Step-by-Step: Preview to signNow Workflow

Follow these steps to create a signature in Mac Preview, then import the signed file into signNow to complete an auditable, secure eSignature workflow.

• 01
  Open PDF in Preview: Open the PDF file in Preview from Finder and select the Markup toolbar icon at the top.
• 02
  Capture Your Signature: Choose the Signature tool, draw or scan your signature using trackpad or camera, and click Save.
• 03
  Insert and Save Locally: Click the saved signature in the Markup toolbar, place it on the document, then save the PDF file.
• 04
  Upload to signNow: Sign in to signNow, upload the saved PDF, add signature fields, and send for signature to recipients.

Device and Platform Requirements

Mac Preview runs on macOS and requires current system updates for Markup signature features.

• macOS Versions: macOS Mojave or later
• Web Browser Support: Chrome, Edge, Safari
• Mobile Apps: iOS and Android apps

Legal and Operational Reasons

Use signNow when closing remote sales contracts or collecting employee onboarding signatures at scale; signNow provides ESIGN and UETA-compliant eSignatures with audit trails, role-based routing, and optional two-factor signer authentication for regulated workflows.

Security and Compliance Snapshot

Encryption In Transit: TLS 1.2 and TLS 1.3

Encryption At Rest: AES-256 encryption

Audit Standards: SOC 2 Type II report

Regulatory Coverage: ESIGN and UETA compliant

Healthcare Protection: HIPAA — BAA required

International Standards: ISO 27001 and eIDAS SES

Preparing Documents for eSignature

Prepare any PDF you create in Preview for a complete eSignature workflow by cleaning fields, saving a high-quality PDF, and then using signNow to add fillable fields, signer order, and authentication before sending.

• Clean the PDF: Remove white-space and mark up final layout.
• Save High Quality: Export as PDF, high resolution.
• Upload to signNow: Drag file into signNow dashboard to start.
• Add Fields: Place signature, date, and text fields for signers.

Core eSignature Features to Use

When you need more than a visual signature from Preview, these four features in signNow convert simple signatures into secure, auditable eSignature processes suitable for business and regulated use.

Fill and Sign

Add reusable signature blocks, text fields, checkboxes, and date stamps so recipients can complete documents on desktop or mobile without additional software.

Templates

Save common documents as templates to pre-place fields, reuse document structures for repeat transactions, and reduce manual setup time for recurring forms.

Bulk Send

Send one document to many recipients with individualized signing links or group sends to collect many signatures efficiently and at scale.

Offline Signing

Use signNow mobile apps to collect signatures offline and sync when a network connection is available for field and on-site workflows.

Advanced Workflow and Integration Features

For teams and enterprises, signNow provides expanded capabilities that integrate with core systems, improve security, and automate repetitive tasks to speed execution and maintain compliance.

API Access

Full REST API for document automation and embedding.

Integrator Connectors

Prebuilt integrations with Salesforce, NetSuite, Microsoft 365.

Authentication Options

Email, SMS, and advanced signer authentication methods.

Conditional Fields

Show or hide form fields based on inputs.

Payments & Kiosk

Collect payments and use kiosk mode for in-person.

Enterprise Controls

SSO, role-based permissions, and account management.

Typical signNow Workflow Settings

A standard signNow workflow combines signer order, authentication, reminders, expirations, and storage settings to enforce policy and ensure documents complete on time.

Setting Name	Configuration
Signer Order	Sequential or parallel
Authentication Method	Email, SMS, or 2FA
Reminder Frequency	48 hours
Document Expiration	30 days
Storage Location	Cloud storage integration

Pricing and Feature Snapshot (Data Current)

Comparison of entry pricing and core transactional features across signNow and common competitors. Pricing shown is annual-billed starting price or a concise feature statement.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo, annually	$8/user/mo	$13/user/mo	$19/user/mo	$15/user/mo
Free Trial	7-day free trial	Free trial avail.	Free trial avail.	Free trial avail.	Free trial avail.
Bulk Send	Yes, Business Premium	Varies by plan	Varies by plan	Yes, paid plans	Varies by plan
Audit Trail	Yes, full audit trail	Yes, full audit trail	Yes, full audit trail	Yes, basic audit	Yes, full audit
HIPAA Compliant	Yes, BAA required	Yes, BAA required	Yes, BAA required	Varies by plan	Varies by plan
Envelope Cap	No envelope cap	100 envelopes/year	Varies by plan	Varies by plan	Varies by plan

Feature Availability Comparison

A concise comparison of select technical features across signNow, DocuSign, and Adobe Sign to help evaluate platform capabilities at a glance.

Feature Availability and Limits Comparison	signNow	DocuSign	Adobe Sign
API Access	full rest api	full rest api	rest api
Bulk Sending	yes, add-on	yes, add-on	varies by plan
Advanced Authentication	yes, multi-factor	yes, multi-factor	yes, multi-factor
Enterprise SSO	yes, site license	yes, enterprise	yes, enterprise

Real-World Examples

Two concise case examples show how teams move from Preview signatures to managed eSignature processes using signNow.

Optica Ventures: Sales Contracts

Optica Ventures used simple Preview signatures for initial offers but needed scalable, auditable signing for deals

• signNow added template-based documents and sequential signer routing to manage dozens of contracts per month
• This reduced manual tracking and errors while preserving legal validity

Resulting in faster closes and consistent recordkeeping across sales and legal teams.

Fertility Centers: Patient Forms

Fertility Centers of Illinois moved intake forms from paper and Preview image signatures to a HIPAA-aware digital workflow

• signNow provided BAA-backed storage, secure signer authentication, and mobile signing for patients in clinic or at home
• The move preserved patient privacy, improved completion rates, and simplified retrieval for audits

Ensures compliant handling and faster processing of patient consent and intake paperwork.

FAQs and Troubleshooting

Common questions about creating signatures in Preview and moving to a signNow-managed eSignature workflow, with practical troubleshooting and configuration tips.

• Preview signature not appearing correctly
  If your signature image looks pixelated after inserting in Preview, export the PDF at higher resolution or recreate the signature using the trackpad tool, then re-upload the high-quality PDF to signNow to preserve clarity and field placement during eSignature processing.
• How to preserve legal audit trail
  Preview does not create an audit trail. Upload signed or unsigned documents to signNow and use built-in Audit Trail to capture signer IP, timestamps, and field history to meet evidentiary needs for ESIGN and UETA compliance.
• Signer cannot open the file
  If a recipient cannot open a PDF exported from Preview, export again using standard PDF compatibility settings, or upload to signNow and send a signing link which opens in a supported web browser without requiring Preview.
• Mobile signing fails offline
  For offline collection, use the signNow mobile app; ensure the signer saves the signature while offline and allow the app to sync when the device reconnects to upload signed documents to secure storage.
• Need stronger signer authentication
  If email is insufficient, configure signNow to use SMS verification or additional authentication methods for high-risk agreements to better verify signer identity and deter repudiation.
• Integrations not mapping fields
  When integrating signNow with CRMs, ensure field names match and mappings are configured in the integration settings; test with a sample record to confirm data flows and adjust field IDs if necessary.

Best Practices for Reliable eSigning

Follow these guidelines to move from ad-hoc Preview signatures to robust, compliant eSignature processes using signNow.

Standardize templates and fields

Create approved templates with fixed signature, date, and data fields to ensure consistency, reduce errors, and speed processing across similar documents while enabling auditability and easier training for users.

Use signer authentication appropriately

Match the authentication strength to transaction risk: email for low-risk forms, SMS or two-factor for sensitive agreements, and advanced methods for regulated documents requiring higher assurance.

Keep an auditable record

Always complete signatures within signNow to capture full metadata, IP addresses, and timestamps; store completed documents in an encrypted repository to support compliance and defensible evidence.

Train staff and document owners

Provide short process guides showing how to move files from Preview into signNow, set templates, configure reminders, and verify completed documents so staff follow consistent procedures and minimize errors.