Nitro Sign logo

Nitro Sign

by Nitro Software · Since 2005
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ActiveAvailable globallyCloud
Quick facts
VendorNitro Software
Year launched2005
StatusActive
Location150 Spear Street, Suite 1500, San Francisco, CA 94105, USA
Countries servedGlobal
Languages8
Integrations10+
Free tierN/A
Free trialN/A
Contact salesYES

About Nitro Sign

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Nitro Sign by Nitro Software is a cloud-based eSignature platform designed to streamline how organizations prepare, send, and securely sign documents at scale. Its core purpose is to replace manual, paper-heavy workflows with compliant digital processes, pairing easy document preparation with legally binding signatures, tamper-evident audit trails, and policy controls. The interface is clean and modern, with guided send flows, drag-and-drop fields, and sensible defaults that keep first-time users moving; power users benefit from reusable templates, bulk send, and clear status views that surface what needs attention. Functionally, Nitro Sign supports multi-step routing, conditional recipients, reminders and expirations, SMS/email authentication, single sign-on, and detailed audit logs; it also offers branded experiences, team templates, an API, and advanced options such as qualified/eIDAS-compliant signing for regulated use cases. Performance is snappy in the browser and scales well for high-volume sending, with reliable delivery, near-instant field rendering, and consistent uptime; large document packages and multi-recipient flows are handled without fuss, and the audit trail remains readable even for complex transactions.

Pros & Cons

Pros
  • It is a cost-effective alternative to Adobe with robust PDF and e-signing capabilities.
  • The intuitive Microsoft Office-style interface makes it easy for new users to adopt.
  • The legally binding eSignatures comply with global standards like eIDAS and UETA.
  • It offers strong security and compliance features.
  • The software integrates seamlessly between PDF editing and e-signing, which streamlines document workflows.
Cons
  • Some users report occasional software bugs, crashes, or sluggish performance, especially with large files.
  • The customer support receives mixed feedback, with some users experiencing slow response times.
  • The UI can feel less polished compared to premium competitors.
  • Some features meant to reduce file size can actually make them bigger.
  • Pricing is not publicly listed for all plans, making budget planning difficult for some businesses.

Features

Key features

Legally Binding E-Signatures

Enables secure, compliant digital signing for contracts, agreements, and internal documents across industries.

Unlimited E-Signing

Offers unlimited document signing on all plans, making it cost-effective for teams with high-volume workflows.

Cloud-Based Access

Allows users to send, sign, and manage documents from any browser—no software installation required.

Team Collaboration Tools

Supports shared templates, centralized document tracking, and role-based access for streamlined team workflows.

Audit Trails

Automatically generates detailed logs for every document, capturing timestamps, signer actions, and verification steps.

Custom Templates

Lets users create reusable templates for frequently signed documents, reducing setup time and errors.

Additional features

Signer Authentication Options

Includes email verification and optional two-factor authentication to ensure signer identity.

Integration with Nitro PDF Pro

Seamlessly connects with Nitro’s PDF editing tools for a complete document lifecycle solution.

Bulk Sending

Allows users to send the same document to multiple recipients at once, ideal for HR forms or policy acknowledgments.

Mobile-Friendly Interface

Optimized for smartphones and tablets, enabling signing and tracking on the go.

Document Expiration & Reminders

Set deadlines and automated reminders to keep signature workflows on schedule.

Secure Cloud Storage

Stores signed documents in encrypted cloud environments with easy access and retrieval.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Monthly plans

Nitro Pdf Standard
USD 16.13/mo
billed monthly
Nitro Pdf Classic
USD 290.25/mo
billed monthly

Countries & Languages

Global
Countries served
8
Interface languages
1
Billing currencies

Interface languages

EnglishFrenchGermanItalianDutchSpanishJapaneseChinese

Billing currencies

🇺🇸USD

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