Send documents to multiple signers, track signing progress in real time, and receive legally binding electronic signatures — all free and completely online.
Start Now — FreeUpload the PDF that requires signatures. You can also convert Word or other formats to PDF during the upload process.
Drag and drop signature, initial, date, and text fields where each signer needs to sign. Assign fields to specific recipients.
Enter email addresses for each signer. Set a signing order if signatures need to be collected sequentially, or allow parallel signing.
Send the signing request and track progress in real time. Receive notifications when each signer completes their signature.
Our e-signatures comply with the ESIGN Act, UETA, and eIDAS regulation, making them legally valid and enforceable in the United States, European Union, and most countries worldwide.
Send documents to unlimited signers simultaneously or in a specific order. Each signer receives their own secure link and can sign from any device without creating an account.
Monitor the status of every signing request with a live dashboard. See who has viewed, signed, or declined, and send automatic reminders to outstanding signers.
Every signed document includes a detailed audit trail with timestamps, IP addresses, email addresses, and actions taken by each signer for complete legal accountability.
Add your company logo, customize email templates, and personalize the signing experience to maintain brand consistency across all your document workflows.
Save frequently used documents as templates with pre-placed signature fields. Reuse templates for recurring agreements like NDAs, contracts, and onboarding forms.
Electronic signatures, commonly called e-signatures, are digital equivalents of handwritten signatures used to indicate agreement or approval of a document. In the United States, the Electronic Signatures in Global and National Commerce Act (ESIGN Act) of 2000 and the Uniform Electronic Transactions Act (UETA) established that electronic signatures carry the same legal weight as handwritten signatures.
In the European Union, the eIDAS regulation provides a comprehensive legal framework for electronic signatures across all member states. Over 60 countries worldwide have enacted laws recognizing the legality of e-signatures. This means that contracts, agreements, consent forms, and other legal documents signed electronically are fully enforceable in court, provided they meet basic requirements such as intent to sign, consent to do business electronically, and proper record retention.
There are three main types of electronic signatures recognized by international law. Simple electronic signatures include any electronic mark indicating agreement, such as typing your name, clicking an "I agree" button, or drawing a signature with a mouse or finger. Advanced electronic signatures are uniquely linked to the signatory and capable of identifying them, created using data under the signatory's sole control, and linked to the signed data in a way that detects any subsequent changes.
Qualified electronic signatures are the highest level and require a qualified certificate issued by a trusted service provider and created using a qualified signature creation device. ZentDoc supports simple and advanced electronic signatures, which are sufficient for the vast majority of business and personal use cases including contracts, leases, HR documents, and financial agreements.
An effective signing workflow streamlines the process of collecting signatures from multiple parties. Start by preparing your document with all necessary content finalized, as changes after sending for signatures can invalidate the process. Place signature fields, initial fields, date fields, and any required text fields at the appropriate locations in the document. Assign each field to a specific signer by their email address.
You can set a signing order so that the first signer must complete their portion before the second signer receives the document, which is common for hierarchical approvals. Alternatively, allow all signers to sign in parallel to speed up the process. Add a personalized message to the signing invitation email to provide context about the document and any instructions for the signers.
When a signer receives a signing request from ZentDoc, they get an email with a secure link to the document. Clicking the link opens the document in their web browser with no software installation or account creation required. The interface highlights the fields they need to complete, guiding them step by step through the signing process.
Signers can create their signature by typing their name and choosing from professional font styles, drawing their signature with a mouse, trackpad, or finger on a touchscreen, or uploading an image of their handwritten signature. Once all required fields are completed, the signer clicks a button to finalize their signature. The signed document is automatically sent to all parties, and a completion certificate with the full audit trail is attached.
Every document signed through ZentDoc generates a comprehensive audit trail that serves as legal evidence of the signing process. The audit trail records the timestamp of each action in UTC, the email address of each participant, the IP address from which each action was performed, the device and browser information, the sequence of actions taken by each signer including when they opened, viewed, and signed the document, and a cryptographic hash of the document to prove it has not been altered after signing.
This audit trail is embedded in the signed PDF and can also be downloaded as a separate certificate. In the event of a legal dispute, the audit trail provides irrefutable evidence of who signed what and when, giving you the confidence that your electronically signed documents will hold up in any legal proceeding.
Electronic signatures have transformed workflows across every industry. Real estate professionals use e-signatures for purchase agreements, lease contracts, and disclosure forms, reducing closing times from weeks to hours. Human resources departments collect signatures on offer letters, employment contracts, benefits enrollment forms, and policy acknowledgments. Sales teams close deals faster by sending proposals and contracts for immediate electronic signing rather than waiting for physical mail.
Legal firms use e-signatures for retainer agreements, settlements, and client authorizations. Healthcare providers obtain patient consent forms and treatment authorizations electronically. Educational institutions collect signed permission slips, enrollment forms, and financial aid documents. The versatility of e-signatures means virtually any document that traditionally required a handwritten signature can be processed electronically, saving time, paper, and money.
To maximize the security and legal validity of your e-signatures, follow these best practices. Always verify signer identity by sending signing requests to verified email addresses. Use sequential signing order for sensitive documents so each party can review the signatures already collected before adding their own. Enable expiration dates on signing requests so that unsigned documents do not remain pending indefinitely.
Archive signed documents in a secure location along with their audit certificates. For highly sensitive documents, consider adding knowledge-based authentication questions or requiring multi-factor verification before signers can access the document. ZentDoc implements industry-standard security measures including TLS encryption for data in transit and AES-256 encryption for data at rest to protect your documents throughout the signing process.
| Feature | ZentDoc | Adobe Acrobat | Other Online |
|---|---|---|---|
| Send for Signature | ✓ Free | $22.99/mo | Limited Free |
| Multiple Signers | ✓ Unlimited | Unlimited | 2-5 per doc |
| Audit Trail | ✓ Full | Full | Basic |
| Legal Compliance | ESIGN/eIDAS | ESIGN/eIDAS | Varies |
| Templates | ✓ Free | $22.99/mo | Paid |
| No Signer Account Needed | ✓ Yes | Yes | Varies |
| Custom Branding | ✓ Free | Enterprise Only | Paid |
Yes. Electronic signatures are legally binding under the ESIGN Act and UETA in the United States and eIDAS in the European Union. Over 60 countries have enacted laws recognizing e-signatures as legally equivalent to handwritten signatures.
No. Signers receive a secure link via email and can sign directly in their web browser without creating an account, downloading software, or installing any apps. The process is designed to be as frictionless as possible.
Yes. You can add unlimited signers to a document and assign specific fields to each person. Choose between parallel signing where everyone signs at the same time, or sequential signing where signers are notified in a specific order.
Once all signers complete their signatures, everyone receives a copy of the fully signed document along with an audit trail certificate. The signed PDF is also available for download from your ZentDoc dashboard at any time.
Yes. You can set an expiration date for signing requests. Automatic reminders are sent to signers who have not yet completed their signatures. If the deadline passes, the request expires and you can choose to send a new one.
Absolutely. All documents are encrypted with TLS during transmission and AES-256 at rest. Each signer accesses the document through a unique, time-limited secure link. The signed document includes a tamper-evident seal that detects any modifications.
Yes. Save any document with pre-placed signature fields as a template. When you need to send the same type of document again, load the template, enter the new signers' email addresses, and send immediately without reconfiguring fields.
Collect legally binding e-signatures in minutes. Free, secure, and no signer accounts required.
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