Foxit PDF SDK vs GemBox.Pdf

Foxit PDF SDK9.3Visit GemBox.Pdf7.2Visit

Higher score Foxit PDF SDK #1 in PDF SDKs 9.3/10 Pricing on request · 30-day trial Free trial✓ 2 of 2 features Visit Foxit

vs

GemBox.Pdf #19 in PDF SDKs 7.2/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit GemBox.Pdf

• Foxit PDF SDK fits best

  Mature teams needing broad PDF capabilities

• GemBox.Pdf fits best

  Developers wanting a low-cost .NET PDF SDK

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Foxit PDF SDK 9.3/10 Visit ↗	GemBox.Pdf 7.2/10 Visit ↗
At a glance
Editor score	9.3	7.2
Ranking	#1 in PDF SDKs	#19 in PDF SDKs
Best for	Mature teams needing broad PDF capabilities	Developers wanting a low-cost .NET PDF SDK
Pricing model	Paid	Free plan + paid
Starting price	Pricing on request · 30-day trial	$890/user one-time
Free plan	—	✓ (best)
Free trial	30 days	30 days
Free trial length	30 days	30 days
Deployment	Cloud, Self-hosted	Self-hosted, Desktop, Mobile
Platforms	Web, Windows, macOS, Linux, iOS, Android	Windows, Linux, macOS, iOS, Android
Support	Email, Phone, Tickets, Docs	Email, Phone, Tickets, Community, Docs
Integrations	10 integrations	10 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Foxit PDF SDK 2/2 · GemBox.Pdf 2/2
Annotation tools	✓	✓
Commercial license	✓	✓
Specs
PDF operations	Rendering, creation, editing, annotation, forms, signatures, search, OCR, extraction, conversion, security, compression, and document comparison	Reading, writing, editing, updating, generation, HTML conversion, PDF-to-image/XPS conversion, rendering, printing, merging, splitting, forms, OCR extraction, redaction, encryption, and digital signatures.
Supported platforms	Windows, macOS, Linux, Web, Android, and iOS	.NET 6.0–.NET 10, .NET Standard 2.0+, .NET Framework 4.6.2+, Windows, Linux, macOS, Android, iOS, ASP.NET Core, Azure, Docker, WPF, MAUI, and Xamarin.
Language coverage	C, C++, C#, .NET, .NET Core, Java, JavaScript, Node.js, Python, Objective-C, and Go	C# and VB.NET
Deployment model	Hybrid	Hybrid
Our review
Pros	Covers rendering, creation, editing, forms, OCR, signatures, and security Supports Windows, macOS, Linux, web, Android, and iOS Integrates with React, Flutter, Angular, .NET, JavaScript, and more	Covers forms, OCR, editing, redaction, encryption, and signatures Supports .NET, Windows, Linux, macOS, mobile, Azure, and Docker Royalty-free deployment with one year of support and updates
Cons	Paid licensing is quote-based rather than publicly priced There is no free plan The 30-day trial adds a watermark to generated PDF pages	The free mode is limited to two pages Language coverage is limited to C# and VB.NET Included support, updates, and bug fixes last one year
Our verdict	Foxit PDF SDK is a commercial development library for adding PDF capabilities to enterprise, mobile, web, cloud, desktop, and server applications. It is aimed at software developers whose products need more than basic PDF viewing, with… Read the review →	GemBox.Pdf is a standalone .NET library for reading, writing, editing, converting, rendering, printing, merging, splitting, and securing PDF files. It is aimed at developers building desktop, web, mobile, and service applications with C#… Read the review →

Strengths and trade-offs

• Foxit PDF SDK — where it wins

  • Covers rendering, creation, editing, forms, OCR, signatures, and security
  • Supports Windows, macOS, Linux, web, Android, and iOS
  • Integrates with React, Flutter, Angular, .NET, JavaScript, and more

  Where it doesn't

  • Paid licensing is quote-based rather than publicly priced
  • There is no free plan
  • The 30-day trial adds a watermark to generated PDF pages

• GemBox.Pdf — where it wins

  • Covers forms, OCR, editing, redaction, encryption, and signatures
  • Supports .NET, Windows, Linux, macOS, mobile, Azure, and Docker
  • Royalty-free deployment with one year of support and updates

  Where it doesn't

  • The free mode is limited to two pages
  • Language coverage is limited to C# and VB.NET
  • Included support, updates, and bug fixes last one year

• Foxit PDF SDK9.3/10 · Pricing on request · 30-day trial

  A broad commercial PDF SDK for teams building document-heavy applications across major platforms.

  Visit FoxitFull verdict →
• GemBox.Pdf7.2/10 · Free plan · 30-day trial

  A feature-rich .NET PDF SDK with a free mode and $890 one-time entry price.

  Visit GemBox.PdfFull verdict →