Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · PDF SDKs

Nutrient SDK vs iText Core

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Nutrient SDK #2 in PDF SDKs 8.9/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit Nutrient
iText Core #7 in PDF SDKs 8.4/10 Free plan · pricing on request Free plan✓ 0 of 2 features Visit iText Core

Nutrient SDK leads on 0 checks, iText Core on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNutrient SDK · 8.9/10
  • Free planboth
  • Free trialonly Nutrient SDK
  • Most featuresNutrient SDK · 2 of 2

Nutrient SDK scores higher on our rubric for pdf sdks: 8.9 against 8.4 out of 10; our editors rank them #2 and #7.

Nutrient SDK is the better fit for teams needing a complete cross-platform PDF SDK. iText Core is the better fit for self-hosted Java or .NET PDF generation.

  • Nutrient SDK fits best

    Teams needing a complete cross-platform PDF SDK

  • iText Core fits best

    Self-hosted Java or .NET PDF generation

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 Nutrient SDK 8.9/10 Visit ↗ iText Core 8.4/10 Visit ↗
At a glance
Editor score 8.9 8.4
Ranking #2 in PDF SDKs #7 in PDF SDKs
Best for Teams needing a complete cross-platform PDF SDK Self-hosted Java or .NET PDF generation
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial 30 days —
Deployment Cloud, Self-hosted, Desktop, Mobile Self-hosted
Platforms Web, Windows, macOS, Linux, iOS, Android Windows, macOS, Linux
Support Email, Docs Docs, Community, Email
Compliance SOC 2, GDPR, HIPAA GDPR
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Nutrient SDK 2/2 · iText Core 0/2
Annotation tools ✓ (best) Not checked yet
Commercial license ✓ (best) Not checked yet
Specs
PDF operations Viewing, rendering, editing, annotation, forms, signing, generation, conversion, OCR, extraction, redaction, comparison, collaboration, and AI processing Not checked yet
Supported platforms Web, iOS, Android, Windows, macOS, Linux, Flutter, React Native, MAUI, .NET, Java, Python, Node.js, and self-hosted/server environments Not checked yet
Language coverage JavaScript, .NET, Java, Python, Node.js, Dart/Flutter, React Native, and MAUI/.NET Not checked yet
Deployment model Hybrid Not checked yet
Our review
Pros
  • Covers PDF editing, forms, signing, conversion, OCR, and collaboration
  • Supports web, desktop, mobile, API, and self-hosted deployments
  • Adds document AI for summarization, extraction, and automation
  • AGPL plan supports unlimited PDF generation
  • Supports forms, merging, signing, encryption, and data merging
  • Includes PDF 2.0, PDF/A, and PDF/UA support
Cons
  • Commercial pricing is quote-based rather than publicly listed
  • The free viewer tier limits sessions, documents, storage, and uploads
  • Its broad feature set may exceed the needs of narrowly focused PDF projects
  • 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
Our verdict

Nutrient SDK is a commercial document-development toolkit for teams building document-centric applications and workflows. It supports PDF viewing, rendering, editing, authoring, annotations, forms, signatures, conversion, OCR, redaction,…

Read the review →

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 →
  1. Nutrient SDKPDF SDKs 8.9Free plan · 30-day trial
  2. iText CorePDF SDKs 8.4Free plan · pricing on request

Strengths and trade-offs

  • Nutrient SDK — where it wins

    • Covers PDF editing, forms, signing, conversion, OCR, and collaboration
    • Supports web, desktop, mobile, API, and self-hosted deployments
    • Adds document AI for summarization, extraction, and automation

    Where it doesn't

    • Commercial pricing is quote-based rather than publicly listed
    • The free viewer tier limits sessions, documents, storage, and uploads
    • Its broad feature set may exceed the needs of narrowly focused PDF projects
  • 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
  • Nutrient SDK8.9/10 · Free plan · 30-day trial

    A broad cross-platform PDF SDK with a useful free viewer tier and quote-based commercial licensing.

    Visit NutrientFull verdict →
  • 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 →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update