iText Core vs Syncfusion PDF Library

iText Core8.4Visit SPSyncfusion PDF Library8.3Visit

Higher score iText Core #7 in PDF SDKs 8.4/10 Free plan · pricing on request Free plan✓ 0 of 2 features Visit iText Core

vs

SP Syncfusion PDF Library #8 in PDF SDKs 8.3/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit Syncfusion

• iText Core fits best

  Self-hosted Java or .NET PDF generation

• Syncfusion PDF Library fits best

  Budget-conscious .NET teams

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Side by side

Feature	iText Core 8.4/10 Visit ↗	SPSyncfusion PDF Library 8.3/10 Visit ↗
At a glance
Editor score	8.4	8.3
Ranking	#7 in PDF SDKs	#8 in PDF SDKs
Best for	Self-hosted Java or .NET PDF generation	Budget-conscious .NET teams
Pricing model	Free plan + paid	Free plan + paid
Starting price	—	$1,199/user/yr
Free plan	✓	✓
Free trial	—	30 days
Deployment	Self-hosted	Cloud, Desktop, Mobile
Platforms	Windows, macOS, Linux	Web, Windows, macOS, Linux
Support	Docs, Community, Email	Email, Live chat, Phone, Tickets, Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features iText Core 0/2 · Syncfusion PDF Library 2/2
Annotation tools	Not checked yet	✓ (best)
Commercial license	Not checked yet	✓ (best)
Specs
PDF operations	Not checked yet	Creation, reading, editing, rendering, forms, annotations, conversion, OCR, extraction, compression, merging, splitting, redaction, encryption, digital signatures, and PDF standards compliance
Supported platforms	Not checked yet	Windows Forms, WPF, ASP.NET Web Forms, ASP.NET MVC, ASP.NET Core, Blazor, UWP, WinUI, .NET MAUI, Flutter, Unity, Linux, macOS, Azure, AWS, and GCP
Language coverage	Not checked yet	C#
Deployment model	Not checked yet	Server-side
Our review
Pros	AGPL plan supports unlimited PDF generation Supports forms, merging, signing, encryption, and data merging Includes PDF 2.0, PDF/A, and PDF/UA support	Free Community License permits commercial application use for eligible users Covers forms, OCR, conversion, signatures, redaction, and PDF standards Supports web, desktop, mobile, cloud, and server-side .NET applications
Cons	AGPL use requires disclosure of the application's full source code Commercial pricing is customized rather than publicly listed Deployment is limited to self-hosted API use	Community License eligibility limits who can use the free tier Paid access starts at $1,199 per developer annually Its language coverage is centered on C# and .NET applications
Our verdict	iText Core is a programmable PDF library for Java and .NET developers building PDF functionality into applications and document workflows. It supports high-level document APIs alongside low-level access to PDF objects and structures,… Read the review →	Syncfusion PDF Library is a programmatic PDF SDK for developers building document workflows in .NET applications. It covers web, desktop, mobile, cloud, and server-side use cases, including ASP.NET Core, Blazor, Windows Forms, WPF, WinUI,… Read the review →

Strengths and trade-offs

• iText Core — where it wins

  • AGPL plan supports unlimited PDF generation
  • Supports forms, merging, signing, encryption, and data merging
  • Includes PDF 2.0, PDF/A, and PDF/UA support

  Where it doesn't

  • AGPL use requires disclosure of the application's full source code
  • Commercial pricing is customized rather than publicly listed
  • Deployment is limited to self-hosted API use

• Syncfusion PDF Library — where it wins

  • Free Community License permits commercial application use for eligible users
  • Covers forms, OCR, conversion, signatures, redaction, and PDF standards
  • Supports web, desktop, mobile, cloud, and server-side .NET applications

  Where it doesn't

  • Community License eligibility limits who can use the free tier
  • Paid access starts at $1,199 per developer annually
  • Its language coverage is centered on C# and .NET applications

• iText Core8.4/10 · Free plan · pricing on request

  A capable self-hosted PDF library with flexible licensing and standards support.

  Visit iText CoreFull verdict →
• SPSyncfusion PDF Library8.3/10 · Free plan · 30-day trial

  A broad PDF toolkit for .NET teams, with a free eligibility-based license and paid automation features.

  Visit SyncfusionFull verdict →