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Create a Digital Signature PNG in SignNow

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E-signature frame illustration

Award-winning eSignature solution

What a digital signature PNG means

A digital signature PNG is a signature image file used to place a signer’s mark into a document, but the image itself is only part of the workflow. In SignNow, the document is signed through a secure electronic process that records signer identity, timestamps, and document history. Under ESIGN and UETA, the legal effect comes from intent, attribution, and record integrity, not from the image alone.

Core features and benefits

SignNow combines signing, tracking, and record-handling features that fit routine business documents and regulated workflows alike.

Audit trail

SignNow records signer identity, timestamps, and document actions so teams can review who signed, when, and what changed across the lifecycle of a file.

Tamper evidence

The platform supports signed PDFs that preserve integrity and make later edits detectable through document history and tamper-evident sealing.

Mobile signing

Mobile apps let recipients sign on iOS and Android, which helps remote teams complete agreements without desktop access.

Reusable templates

Templates reduce repetitive setup for contracts, HR forms, and consent documents while keeping routing and field placement consistent.

Signer authentication

Authentication options help match risk levels for ordinary approvals, HIPAA workflows, and more sensitive transactions requiring stronger verification.

Access control

Admins can control users, roles, and delegated sending so larger teams keep ownership of templates and approvals clear.

Recommended workflow settings

Set authentication, retention, and encryption to match the document’s legal and operational risk before sending it for signature.

SettingRecommendation
Authentication methodSMS OTP
Signature typeElectronic signature
Audit trailEnabled
Document retention6 years (HIPAA 45 CFR 164.530(j)(2))
EncryptionTLS 1.2/1.3 and AES-256

How the signing process works

The workflow moves from file preparation to signing, then closes with a completed record and supporting history.

  • Prepare: Upload the document and place signature fields for each participant.
  • Route: Send the request and route each signer in order.
  • Sign: The signer reviews, authenticates, and applies the signature.
  • Complete: SignNow stores the completed file and audit trail.
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Quick steps to create a signature PNG

Use this short flow to prepare a document, route it to signers, and track completion in SignNow.

  • Prepare file:

    Upload the PDF and place signature fields where each signer must act.
  • Assign recipients:

    Add recipients, set the signing order, and choose authentication settings.
  • Review workflow:

    Preview the document to confirm field placement and required actions.
  • Send and track:

    Send the request and monitor completion in the activity log.

What SignNow records in an audit trail

The audit trail captures identity, timing, and document integrity signals that support defensible electronic records.

01

Authentication gate:

Verify signer identity before the document opens.
02

Timestamp capture:

Record UTC timestamps for every signing event.
03

Document hashing:

Hash the final PDF before sealing.
04

Tamper seal:

Apply a tamper-evident seal after signature completion.
05

Event linkage:

Link each action to the signer’s audit record.
06

Audit export:

Export the audit trail as a downloadable record.

Signer authentication and certificates

PKI:

PKI supports trustworthy signature verification.

X.509 certificates:

X.509 certificates bind identity and key.

Two-factor authentication:

Two-factor authentication raises signer assurance.

SMS OTP:

SMS OTP verifies possession of device.

ID verification:

ID verification adds stronger identity proof.

Unique credentials:

Signer credentials stay unique and traceable.

Privacy and disclosure pitfalls

  • Storing a signature image without an audit trail makes it harder to prove who signed and when the record was completed.
  • Collecting PHI in a workflow without a signed BAA can create HIPAA exposure and contract risk for the covered entity.
  • Weak authentication can leave signer attribution vulnerable when a dispute asks whether the named person actually approved the document.
  • Sharing signed documents too broadly can expose personal data, payment details, or employment records beyond the intended audience.

Document types and audiences

Business documents

Contracts, NDAs, and consent forms move faster when legal and operations teams use repeatable signing workflows.

Operations teams

HR forms, invoices, and onboarding packets benefit from routed approvals, audit trails, and mobile signing.

Business types that benefit most

Different organizations use SignNow for documents, approvals, and records that need clear consent and traceable completion.

  • Solo legal practices use SignNow for NDAs, engagement letters, and client approvals without building a complex admin stack.
  • Healthcare groups use SignNow to collect patient forms and authorization documents with HIPAA-aware workflows and BAA support.
  • Construction teams use SignNow for bids, subcontracts, and on-site approvals when crews need mobile signing and fast turnaround.

These tasks are executed by both individual contributors and centralized administrators depending on organizational policy and required controls.

Sending and signing methods

  1. Use the web app when staff send documents from a desktop browser, need templates, and want centralized tracking for contracts, HR forms, or approval packets.
  2. Use the mobile app when signers need to review, initial, or sign on iOS or Android while traveling, on a job site, or in a field office.
  3. Use kiosk mode for in-person signups, reception desks, onboarding stations, or any shared device where multiple people sign the same form sequentially.
  4. Use shareable signing links when recipients should open a direct link from email, SMS, or a portal without waiting for a manually created envelope.

Processing timeframes at a glance

Most of the time sits with document review and signer response, not platform delivery or record creation.

01

Document preparation

Prepare the file, place fields, and confirm signer order before sending.
02

Document delivery

Delivery is immediate once the request is sent from SignNow.
03

Signer turnaround

Signers can complete documents in minutes or over several days.
04

Completion and archival

Completion triggers archival, audit logging, and retention policy handling.

Rollout and retention timeline

This timeline combines early adoption milestones with concrete retention obligations that affect signed records and regulated documents.

7 days:

Free trial access ends after 7 days, no credit card required.

Day 1 setup:

Configure templates, authentication, and retention before the first send.

First send:

Send the initial agreement after workflow review and role assignment.

Team onboarding:

Add users and delegate sending after the pilot confirms routing.

HIPAA retention:

Keep signed PHI records 6 years per 45 CFR 164.530(j)(2).

21 CFR Part 11:

Maintain validated controls, audit trails, and signature history for regulated records.

UETA records:

Retain evidence long enough to support enforceability and dispute review.

Archive check:

Export audit trails and PDF copies for policy-based archival.

Practical record-keeping habits

Retention and access controls matter because they determine whether a signed record can be produced, reviewed, and defended later.

Match authentication to risk

Use explicit signer authentication for higher-risk documents, especially when the record will support disputes, audits, or regulated transactions.

Keep audit records together

Export audit trails after completion and store them with the signed PDF in a controlled archive.

Set retention by rule

Set document retention rules to meet your industry obligations, such as HIPAA’s 6-year retention for PHI records.

Limit document access

Restrict template and sending permissions so only approved users can route documents containing sensitive personal or business data.

FAQ and troubleshooting for digital signatures

These answers focus on signNow features, plan limits, and compliance requirements that affect electronic signature workflows.

Check whether the recipient accepted the electronic consent notice. Under ESIGN and UETA, consent and intent matter. SignNow logs delivery, viewing, and signing events, and the audit trail can support attribution if a signature is disputed.

Use at least the Business plan for legally binding eSignatures, audit trails, templates, and mobile apps. If you need advanced signer authentication, the Enterprise plan adds stronger controls, while Site License can add SSO and API access.

HIPAA workflows require a BAA when PHI is involved. SignNow supports HIPAA-compliant use with a BAA, plus audit controls and encryption. Do not store PHI in a plan or workflow that lacks a signed BAA.

For 21 CFR Part 11 use cases, electronic signatures need unique user identification, time-stamped audit trails, and validated controls. SignNow’s compliance features can support regulated records, but your process must also meet your own validation and SOP requirements.

If a signer cannot open the file, confirm the browser is current and the PDF is not corrupted. SignNow works in Chrome, Firefox, Safari, and Edge, and also supports iOS and Android apps for mobile signing.

A drawn image alone is not the same as a cryptographically protected digital signature. For stronger integrity, use SignNow’s signed PDF workflow with audit trails, authentication controls, and tamper-evident records tied to the document history.

Pricing and key feature snapshot

Prices reflect verified 2026 entry tiers and should be confirmed with each vendor before purchase decisions.

FeaturesSignNowDocuSignAdobe SignPandaDocHelloSign
Starting price$8/user/mo$15/user/mo$14/user/mo$19/user/mo$15/user/mo
Free trial7-day trialNot verifiedNot verifiedNot verifiedNot verified
Bulk sendYes, Business PremiumNot verifiedNot verifiedNot verifiedNot verified
Audit trailIncludedIncludedIncludedIncludedIncluded
HIPAA complianceBAA availableBAA availableBAA availableNot verifiedNot verified

Integrations that fit signing workflows

Connected systems move signed documents into the tools teams already use, reducing handoffs between routing, storage, and recordkeeping.

Salesforce
Procore
Zapier
Microsoft Teams
Hub spot
Box
Microsoft

Feature comparison across vendors

SignNow appears first as the recommended option, followed by other established eSignature vendors for reference.

SignNowDocuSignAdobe Acrobat SignPandaDoc
Audit trailYesYesYes
Mobile appsYesYesYes
HIPAA supportYesYesYes
Envelope limitsNo envelope cap100/yearNot verified

Mobile signing options

SignNow works through current browsers and mobile apps, with TLS-protected sessions and signing support across desktop and handheld workflows.

  • iPhone app iOS 16+ and the SignNow app.
  • Android app Android 10+ and the SignNow app.
  • Mobile workflow Offline signing and camera capture supported.

For enterprise use, managed devices, SSO, API access, and policy-based retention controls help align mobile signing with security and compliance requirements.

Legal standing of electronic signatures

In U.S. business transactions, an electronic signature is generally admissible when intent, attribution, and a reliable record are preserved. ESIGN and UETA prevent denial of legal effect solely because a signature is electronic, but wills and certain court orders remain excluded.

Why teams look for DocuSign alternatives
ROI at a Glance

Key performance indicators that demonstrate SignNow's proven track record.

28M+Documents signed
13+Years in business
4.6/5Average G2 rating
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4.7 / 5 rating on