The fastest, most accurate, PDF manipulation tool EVER.

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All the features you need to make PDF easy for everyone

Standard PDF functions

Use our API to apply all of the standard PDF functions including Digital Signatures, Commenting and Markups

Logical extraction & conversion

The PDFix API is the leader in making PDF responsive on all devices including hyper-accurate content extraction

Manipulate Forms in HTML

Use our API for Form filling, flattening, saving and submitting forms all in HTML

Multiple platforms & code stacks

The PDFix API is available on Mac OS X, Windows, iOS, Android & Linux platforms in C++, Java, C#, .NET and objective C, so take your pick!

RESTfull Web Service

Use our API as your powerfull RESTfull web service and take control over your PDFs over HTTP.

Features Set

Simply the most comprehensive set of PDF manipulation features you will ever need

This is where the magic happens. We turn your simple PDF into a fully responsive document with semantic content and logical reading order built for you.

  • Document Structure Recognition
  • Intelligent Data Extraction
  • Text, Images, Graphics Extraction
  • Annotation Extraction
  • Reading Order Detection
  • Paragraph Detection
  • Whitespace Detection
  • Table Detection (including cells & rows)
  • Text Table Detection (including cells & rows)
  • Regular Expression, Pattern Matching
  • Header/Footer Detection (Coming Soon)
  • AcroForm Reading Order Detection (Coming Soon)
  • Table of Contents Detection (Coming Soon)

Our API analyses the key components of the PDF and make this easily available for you to manipulate. This will soon include OCR (Optical Character Recognition for making sense of scanned files.

  • Page Rendering
  • Document Metadata (Author, Title, etc.)
  • Comment/Review
  • Watermarks / Stamps
  • Actions
  • Bookmark

With the availability to sign PDF's with both eSignatures and Digital Signatures we have your digital transactions covered. We are also hard at work building out the finishing touches on PAdES and LTV support making truly secure files.

  • Digital Signature Support
  • eSignature Support
  • Time Stamp Support
  • PAdES Support (Coming Soon)
  • Long Term Validation - LTV (Coming Soon)

Having issues getting information in or out of AcroForms? Our API has this covered as well which will streamline any data collection tasks you may have.

  • Form Data Import / Export
  • Forms JavaScript API support
  • Native HTML Forms Support
  • Form Data Flattening (Coming Soon)
  • Form Fields Detection (Coming Soon)

We have built this API to be as user friendly as possible and to cover every possible scenario. Making a completely responsive PDF experience we have covered the ability for this to run on all major mobile platforms.

Mobile Development Support

  • Android
  • iOS
  • Windows Mobile (Coming Soon)

Desktop Development Support

  • Windows
  • Mac
  • Linux (Coming soon)

While we don't support every coding language under the sun, we have most of them covered so you can plug our SDK into your stack and start manipulating PDFs almost instantly.

Languages Support

  • C/C++
  • Java
  • C# & .NET (Coming soon)
  • Objective-C (Coming soon)


Release notes

PDFix API is getting better. Watch for updates to keep up to date.

Coming soon...

  • Text tables recognition
  • Lists and Table of contents recognition
  • PDF Tags reading/creation support
  • PDF form reflow detection
  • Version 1.0.2 (June 24th 2016)

  • Text tables detection
  • Lists and Table of contents detection
  • Image intersection improvement
  • Words detection improvement
  • Elements clipping improvement
  • Reading order detection improvement
  • Header/Footer detection
  • .


    PDFix has the most complete feature set you will find. All in a flexible API.

    PDF Web Viewer


    Web browser PDF viewer. Includes PDF reading in original or responsive layout and conversion to Word.

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    PDF Form Filler


    Web browser PDF Form filling application with support of PDF JavaScript, data flattening and signing.

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    REST API web service


    PDFix REST API implementation for conversion of PDF documents to HTML using a web service .

    Try Online

    PDF to HTML


    PDF to HTML conversion tool uses PDFix API for converting PDF files to HTML in fixed and responsive layout with support of form filling in web browser.

    PDF to JSON


    PDF to JSON conversion tool uses PDFix API to extract document content to structured JSON file.