17.7
MuPDF is an embeddable SDK for developers managing PDFs and other document formats in desktop, cloud/server, or embedded projects.
Free planAndroidiOSWeb
Best PDF SDKs in 2026
PDF SDKs help developers add PDF operations to applications and services. This category includes free, freemium and paid options, with deployment choices such as web, API, self-hosted, Windows, Linux and macOS. Before choosing, examine each SDK’s PDF functions, platform coverage, language support, annotation features, deployment approach and commercial licence.
27.4
Free planAndroidiOSWeb
37.3
Free planAndroidiOSWeb
- 4
Aspose.PDF
AndroidWebAPILinux6.9$1,199 one-time - 5
WeasyPrint
WeasyPrint is free, open-source software for web developers who need to create PDF documents from HTML pages.
Free planAPILinuxmacOSSelf-hosted6.9From €150 a year - 6
PDFsharp
Free planLinuxmacOSSelf-hostedWindows6.8$499 one-time - 7
Syncfusion PDF Library
AndroidiOSWebAPI6.8From $1,199 a year - 8
IronPDF
WebAPILinuxmacOS6.7$999 one-time - 9
GemBox.Pdf
AndroidiOSLinuxmacOS6.6$890 one-time - 10
QuestPDF
Free planLinuxmacOSSelf-hostedWindows6.6From $1,999 a year - 11
Datalogics Adobe PDF Library
APILinuxmacOSSelf-hosted6.4$5,999 usage-based - 12
Ghostscript
Ghostscript is a PostScript and PDF interpreter and rendering engine from Artifex Software Inc.
Free planAPILinuxmacOSSelf-hosted6.4Free plan - 13
LEADTOOLS PDF SDK
AndroidiOSWebAPI6.4 - 14
OpenPDF
Free planAndroidLinuxmacOSSelf-hosted6.4Free plan - 15
PDFium
Free planAndroidLinuxmacOSSelf-hosted6.4Free plan - 16
Poppler
Free planAndroidAPILinuxmacOS6.4Free plan - 17
callas pdfToolbox SDK
APILinuxmacOSSelf-hosted6.3€5,000 one-time - 18
Foxit PDF SDK
AndroidiOSWebLinux6.3 - 19
Nutrient SDK
AndroidiOSWebAPI6.3 - 20
Prince
APILinuxmacOSSelf-hosted6.3From $2,000 a year - 21
pdf-lib
pdf-lib is a free, MIT-licensed JavaScript library for creating and modifying PDF documents.
Free planWebSelf-hosted6.1Free plan - 22
GdPicture.NET
WebLinuxmacOSSelf-hosted6.0 - 23
libHaru
Free planLinuxSelf-hostedWindows6.0Free plan - 24
PoDoFo
Free planAPILinuxmacOSWindows6.0Free plan - 25
Adobe Document Generation API
Free planWeb5.9Free plan
Choosing well
Check the pricing route
A free plan is available from tools such as Apache PDFBox, Ghostscript and Adobe Document Generation API. Freemium options can also pair a free plan with paid tiers, as with GemBox.Pdf.
Listed starting prices run from $1,500 per year for Apryse SDK to $1,679 for Aspose.PDF and $5,999 per year for Datalogics Adobe PDF Library. Some vendors give pricing on request.
Use a trial when offered
Trial periods can help you check an SDK against your application before paying. Aspose.PDF, ComPDFKit PDF SDK and Foxit PDF SDK advertise 30-day periods, while callas pdfToolbox SDK offers 14 days and GdPicture.NET offers 60 days.
Match platforms and deployment
Compare the supported platform labels with your delivery plan. Options in this category can include web, API, self-hosted, Windows, Linux and macOS.
If a phone app matters, verify Android support directly in the SDK documentation rather than assuming a desktop or web platform covers it.
Compare PDF work and annotations
Review the PDF operations provided for your project and the annotation tools you need. The comparison also covers language coverage, so check that supported languages fit your codebase.
Read the commercial licence
Commercial licensing can affect how you ship software built with an SDK. Check the licence terms alongside the deployment model, especially when comparing free tools such as Apache PDFBox or Ghostscript with paid products.
Questions people ask
Do PDF SDKs have free plans?
Items on this list with free plans include Adobe Document Generation API, Apache PDFBox, ComPDFKit PDF SDK, GemBox.Pdf and Ghostscript.
Can I try a paid PDF SDK first?
Paid SDKs with listed trials include Aspose.PDF, ComPDFKit PDF SDK and Foxit PDF SDK, each offering 30 days. Trial terms vary by product.
Which platforms can PDF SDKs use?
Platform options in this category include web, Windows, Linux, macOS, self-hosted and API deployments. Confirm the exact support for your chosen SDK.
What should developers compare?
When evaluating an SDK, look at its PDF operations, platform and language support, deployment model, annotation tools, commercial licence and pricing.