Comparison

Nitro Pro vs pdf-lib

No clear leader: Nitro Pro (48.5) and pdf-lib (47.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Nitro Pro49
pdf-lib48
Score
vioscaleAI score
Nitro Pro49 / 100medium · 55%
pdf-lib48 / 100low · 44%
Pricing
Free tier
Nitro Pro✗
pdf-lib✓
Model
Nitro Procommercial
pdf-libcommercial
Price level
Nitro Prounknown
pdf-libfree
Transparent
Nitro Pro✗
pdf-lib✓
Integrations
Count
Nitro Pro26
pdf-lib–
Security
Certifications
Disclosure policy
Nitro Pro✓
pdf-lib–
Gdpr
Nitro Pro✓
pdf-lib–
Hipaa
Nitro Pro✓
pdf-lib–
Iso27001
Nitro Pro✓
pdf-lib–
Soc2
Nitro Pro✓
pdf-lib–
Adoption
Dependent repos
Nitro Pro–
pdf-lib2,364
Github stars
Nitro Pro–
pdf-lib8,660
Activity
Commits last 30d
Nitro Pro–
pdf-lib0
Release
Cadence days
Nitro Pro–
pdf-lib19
History
Nitro Pro–
pdf-lib20 items
License
Spdx
Nitro Pro–
pdf-libMIT
Language
Primary
Nitro Pro–
pdf-libTypeScript
Market
Availability
Content
Faq
Nitro Pro7 items
pdf-lib4 items

Capabilities

Feature-by-feature on the axes that matter for pdf editors. “-” means undocumented, not absent.

Capabilities
Deployment model
Nitro ProCloud saas
pdf-lib-
Base text and image editing within PDF
Nitro Pro✓
pdf-lib✓
Page merging extraction and splitting
Nitro Pro✓
pdf-lib✓
OCR optical character recognition scanning
Nitro Pro✓
pdf-lib✗
Permanent blackout redaction engine
Nitro Pro✓
pdf-lib-
Password protection and encryption
Nitro Pro✓
pdf-lib-
Interactive form field creation
Nitro Pro✓
pdf-lib✓
Digital signature certification enforcement
Nitro Pro✓
pdf-lib-
Microsoft office docx xlsx conversion
Nitro Pro✓
pdf-lib-
File size compression engine
Nitro Pro✓
pdf-lib-
SOC2 type ii
Nitro Pro✓
pdf-lib-
ISO 27001
Nitro Pro✓
pdf-lib-
Pricing model
Nitro ProFlat subscription
pdf-lib-

What each one is

The product in its own terms, so the numbers below have context.

Nitro Pro

Nitro is a comprehensive document management platform combining PDF editing, creation, conversion, and eSignature functionality with enterprise-grade security and compliance. It serves individuals, teams, and enterprises with tools for creating, editing, and securely signing documents across cloud and desktop environments.

Independently observed

pdf-lib

A programming library that enables developers to create, edit, and manipulate PDF files with support for embedded fonts, form field creation, page embedding, and text drawing.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Nitro Pro

Subscription14-day trial

Subscription-based pricing for individuals, teams, and businesses. 14-day free trial with no credit card required.

  • Individual-
  • Team-
  • BusinessContact sales
as of verify ↗

pdf-lib

FreeFree tier

Free

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Nitro Pro✓
pdf-lib✓
iOS
Nitro Pro✓
pdf-lib✗
macOS
Nitro Pro✓
pdf-lib✗
Windows
Nitro Pro✓
pdf-lib✗
Deployment
Cloud / SaaS
Nitro Pro✓
pdf-lib–

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Nitro Pro

32 total
  • Salesforce
  • Microsoft 365
  • Word
  • Excel
  • PowerPoint
  • SharePoint
  • OneDrive
  • Teams
  • Slack
  • Google Workspace
  • Zapier
  • iManage
  • M-Files
  • PDF Butler
  • Alfresco
  • TalentSoft
  • Aareon
  • Silverfin
  • AdminPulse
  • Sofico
  • Azure Information Protection
  • Brio
  • Power Automate
  • Cloud Storage
  • +8 more
Independently observed

pdf-lib

Not documented yet.

Still deciding?

Nitro Pro or pdf-lib: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.