Overview

pdfFiller is a cloud-based PDF management platform that enables businesses to edit, fill, and distribute PDF documents seamlessly. Among its robust feature set, pdfFiller lets users modify existing digital signatures—reassign signature fields, correct signer information, or replace signatures—while preserving legal validity. Coupled with advanced editing, form creation, and collaboration tools, pdfFiller streamlines document workflows for companies of all sizes.

Key Features

• Digital Signature Modification:
  
  • Reassign or update signer emails and names on signed documents
    
  • Replace or revoke signatures without re-uploading or reformatting the PDF
    
  • Maintain full audit trail and certificate chain for compliance
    
• PDF Editing & Annotation:
  
  • Add, remove, or redact text and images inline
    
  • Annotate with comments, highlights, and stamps
    
  • Merge, split, rotate, and reorder pages
    
• Form Creation & Filling:
  
  • Drag-and-drop form fields (text, checkboxes, dropdowns)
    
  • Pre-fill repetitive data with reusable templates
    
  • Automate data collection via fillable forms
    
• eSignature Workflows:
  
  • Send documents for signature with one-click routing
    
  • Reminders, in-person signing, and bulk signature requests
    
  • Legally binding eSignatures compliant with ESIGN, UETA, and eIDAS
    
• Collaboration & Sharing:
  
  • Track document status in real time with team dashboards
    
  • Set granular permissions and expiration dates on shared links
    
  • Comment threads and version control to manage edits
    
• Security & Compliance:
  
  • AES-256 encryption in transit and at rest
    
  • Two-factor authentication and single sign-on (SSO)
    
  • Detailed audit logs for every action taken on a document
    

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How It Works

1. Upload or Import: Drag your PDF into pdfFiller or import from cloud storage (Google Drive, Dropbox, OneDrive).
   
2. Select Signature Tool: Open the eSignature module and locate existing signature fields.
   
3. Modify Signatures: Click on a signature to reassign signer details, revoke, or replace the signature image/text.
   
4. Preserve Audit Trail: pdfFiller automatically updates the audit certificate, showing the modification history.
   
5. Save & Share: Export the updated document or send it directly for further signatures or approvals.
   

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Benefits of Using pdfFiller

• Flexibility: Adjust signature details on the fly without starting from scratch.
  
• Time Savings: Eliminate manual work of re-preparing documents or re-sending signature requests.
  
• Legal Assurance: Maintain compliance with built-in audit trails and certificate updates.
  
• All-in-One Platform: Combine signature edits with powerful PDF editing and form workflows.
  
• Team Efficiency: Collaborate securely with colleagues and external partners in real time.
  

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Pros and Cons

Pros	Cons
Modify signatures without re-uploading or reformatting	Advanced signature controls (bulk signature reassignments) require higher-tier plans
Complete audit trail preserves legal validity	Desktop offline editing not available—requires internet connection
Robust PDF editing and form creation in the same interface	Learning curve for new users to explore full feature set
Compliant with major eSignature regulations (ESIGN, eIDAS)	Per-user pricing can add up for large teams
Seamless integration with cloud storage and business apps	Some advanced security features (SSO) limited to Enterprise tier

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Use Cases

• Legal Departments: Correct signer details on contracts and maintain enforceable audit records.
  
• Human Resources: Update employee signatures on onboarding documents without re-sending entire packages.
  
• Sales Teams: Revise client signature assignments on quotes and proposals for faster turnaround.
  
• Finance & Procurement: Adjust approver assignments on purchase orders and invoices in-flight.
  
• Healthcare & Insurance: Modify patient or policyholder signatures on forms while preserving compliance.
  

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Case Studies / Impact Examples

• Mid-Size Law Firm: Reduced document rework by 60% after implementing pdfFiller’s signature modification—no more manual redrafts when signer information changed.
  
• Global Sales Organization: Cut average proposal turnaround time by 40% by reassigning signature roles on-the-fly to regional managers via pdfFiller.
  

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Pricing Information

pdfFiller offers tiered subscription plans (billed monthly or annually):

Plan	Monthly Price (USD)	Key Features
Basic	$12	PDF editing, form filling, standard eSignatures
Advanced	$24	Digital signature modification, bulk sending, templates
Business	$39	Team dashboards, SSO, API access, advanced security
Enterprise	Custom	Dedicated onboarding, custom SLAs, unlimited users, SSO

Annual billing grants two months free; educational and nonprofit discounts available.

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FAQs

Can I modify a signature after a document is fully signed?
Yes—Advanced and above plans allow you to reassign, revoke, or replace existing digital signatures while preserving the audit certificate.

Is the modified signature still legally binding?
Absolutely. pdfFiller updates the document’s audit trail and certificate to reflect any changes, ensuring compliance with eSignature laws.

Do recipients need a pdfFiller account to sign?
No. Recipients can sign via a secure link in their browser—no account required.

How secure is pdfFiller?
pdfFiller uses AES-256 encryption, SOC-2 compliance, and offers two-factor authentication. Enterprise plans include SSO and advanced security policies.

Can I integrate pdfFiller with other apps?
Yes—pdfFiller integrates natively with Google Workspace, Microsoft 365, Salesforce, Zapier, and many more via API.

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Get Started

Ready to simplify your signature workflows? Start your free pdfFiller trial today and modify digital signatures in seconds!