ComPDF

ComPDF

PDF Technologies, Inc.
MuPDF

MuPDF

Artifex Software
+
+

Related Products

  • Foxit Document Workflow APIs
    7 Ratings
    Visit Website
  • Nutrient SDK
    111 Ratings
    Visit Website
  • Apryse PDF SDK
    157 Ratings
    Visit Website
  • RAD PDF
    3 Ratings
    Visit Website
  • MindCloud
    75 Ratings
    Visit Website
  • PDFCreator
    557 Ratings
    Visit Website
  • Dynamo Software
    71 Ratings
    Visit Website
  • UnForm
    19 Ratings
    Visit Website
  • LM-Kit.NET
    29 Ratings
    Visit Website
  • Process Street
    1,119 Ratings
    Visit Website

About

ComPDF, powered by KDAN (TPEx: 7737), is built on the vision of “Leading the Intelligent PDF Era with Continuous Innovation”. ComPDF offers following products: - ComPDF SDK is highly compatible with web, server, desktop, and mobile platforms, seamlessly integrating with various development frameworks. It provides features lincluding generation, viewing, editing, conversion, signing, etc. - ComPDF Cloud delivers a secure, stable, and efficient service environment, simplifying enterprise document processing and business integration workflows. With the flexibility to use either Open API calls or private deployment, enterprises can generate, edit, convert, OCR recognize, and extract data. - ComPDF AI provides intelligent document processing capabilities, enabling automated data extraction, parsing, and knowledge management. Together, these components streamline workflows, improve operational efficiency, and accelerate enterprise digital transformation.

About

Add powerful PDF functionality to all of your software application projects. MuPDF is a highly versatile, customizable PDF SDK that can be used as a PDF renderer, viewer, or library. The tiny footprint and lightning-fast performance make MuPDF a perfect fit for mobile browsers, eBooks, and embedded applications where small size is key. MuPDF supports a variety of interactive features including annotations, form filling, digital signatures, redactions, text search, and progressive loading. The wide range of input and output formats and our full range of platform support deliver a flexible solution to easily and successfully fulfill your project’s unique needs. MuPDF supports PDF, XPS, OpenXPS, EPUB, FictionBook 2 and CBZ. The MuPDF API easily integrates with all of the major platforms including Android, iOS, Linux, macOS, OpenBSD, and Windows. C++ and Python bindings have been added making it easy to use the MuPDF library from these languages.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers looking to add PDF functionality to their or their company’s projects.

Audience

App developers, software engineers, cloud developers, web developers, document management solution developers

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Contact us for pricing
Free Version
Free Trial

Pricing

$749/per platform*
*Price for MuPDF App Kits for Android & iOS only. Licensing fees for the MuPDF API are determined on a case-by-case basis.
Free Version
Free Trial

Reviews/Ratings

Overall 4.8 / 5
ease 4.5 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • ComPDF's conversion API has become integral to our document management platform. We process a high volume of incoming documents in various formats—Word, Excel, HTML—and need reliable, high-fidelity PDF conversion to deliver a consistent user experience. The batch processing API handles our peak loads with ease, and conversion quality far surpasses the open-source alternatives we benchmarked. What truly stands out is the API documentation: detailed, well-organised, and accompanied by practical code examples that significantly accelerated our integration. Response times are fast even under heavy load, and the error-handling callbacks made our pipeline more resilient.
  • We integrated ComPDF's PDF SDK—specifically the viewing, editing, annotation, and annotation reply features—to provide core functionality for our online learning platform. What stands out most is how seamlessly these features enable interactive collaboration between instructors and students. The annotation and reply capabilities function smoothly, allowing real-time feedback on assignments and course materials within a familiar PDF interface. The rendering quality is excellent, and the editing tools are intuitive, which has significantly enhanced user engagement across our learning programs.
  • As a user who has integrated the ComPDF SDK into our company's internal system, I appreciate how smoothly it fits into our existing infrastructure. The SDK is well-architected, making the integration process straightforward even for our internal engineering team. Once deployed, it has handled our document processing workloads—including batch conversions, PDF generation, and data extraction—with impressive stability. The consistency of output quality means we can trust it as a core component of our internal toolchain without constant monitoring or manual intervention.
  • The flexibility of the on-premise SDK has been a game-changer for us. Due to our strict data compliance policies, we cannot send sensitive documents to the cloud. ComPDF's SDK allowed us to deploy the entire processing engine behind our own firewall without losing any functionality. The backend batch processing—such as OCR, redaction, and format conversion—is stable, efficient, and maintains excellent fidelity even with complex document layouts.
  • The API documentation is incredibly thorough, which made integration smooth and fast. We connected our core systems to ComPDF's conversion engine in just a few hours. On the backend, batch processing of PDFs—including conversions, merges, and data extraction—has been rock stable. Even during peak loads, the response times remain consistent, and the error rate is near zero.

Cons

  • Advanced options for controlling specific conversion nuances—such as handling uncommon fonts or complex Excel chart rendering—required some trial and error. A dedicated "advanced configuration" section in the documentation would help teams tackle these edge cases more efficiently.
  • The SDK offers extensive functionality, but managing the interaction between multiple features—such as synchronizing annotations across different user sessions—required additional development effort. While the individual components work well, clearer documentation on handling real-time collaboration scenarios would have helped streamline the implementation. Some advanced UI customization options also took time to discover and configure properly.
  • The SDK comes with extensive functionality, but the documentation could be more structured for internal integration scenarios. We occasionally had to dig through different sections to understand how certain modules interact when building a custom backend pipeline. More comprehensive integration examples or architecture guides would help streamline the setup process for teams building internal systems.
  • The initial resource planning for deployment required several consultations with the support team to get the hardware configuration right. A more automated deployment guide or a scaling calculator would be a helpful addition for future updates.
  • While the documentation is strong, having more detailed business use-case examples (beyond basic technical implementations) would help accelerate the initial setup for teams with less API experience.

Pros & Cons from Real Users

Pros

  • I'm looking for applications that are open, to get my privacy back. Simple to use, efficient and private. And they must be FOSS.

Cons

  • Does exactly what it is designed for, not much options.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

PDF Technologies, Inc.
Founded: 2014
Singapore
www.compdf.com

Company Information

Artifex Software
Founded: 1993
United States
artifex.com

Alternatives

Pdftools

Pdftools

PDF Tools

Alternatives

Foxit PDF SDK

Foxit PDF SDK

Foxit Software
KDAN PDF

KDAN PDF

Kdan Mobile Software
jOfficeConvert

jOfficeConvert

Qoppa Software
Investintech PDF Library SDK

Investintech PDF Library SDK

Investintech PDF Solutions
jPDFPrint

jPDFPrint

Qoppa Software
JPedal

JPedal

IDR Solutions
Nutrient SDK

Nutrient SDK

Nutrient
PDFKit.NET 5.0

PDFKit.NET 5.0

TallComponents
KDAN PDF

KDAN PDF

Kdan Mobile Software

Categories

Categories

PDF Features

Annotations
Convert to PDF
Digital Signature
Encryption
Merge / Append
PDF Reader
Watermarking

PDF Editors Features

Access Controls / Permissions
Annotations
Commenting / Notes
Compare Side-by-Side
Customizable Branding
Delete Pages
Electronic Signature
Forms Management
Full Text Search
Merge / Append
Offline Access
Optical Character Recognition (OCR)
Rearrange Pages
Rotate Pages
Watermarking

Integrations

PDF Reader Pro

Integrations

PDF Reader Pro
Claim ComPDF and update features and information
Claim ComPDF and update features and information
Claim MuPDF and update features and information
Claim MuPDF and update features and information