Boost PDFix Desktop Power with Advanced Module Integrations
Unlock the full potential of PDFix Desktop with our all-new 
External actions. This powerful feature lets you enhance your PDFix Desktop by integrating AI-powered external modules. Whether you create custom private actions or explore a wide range of publicly available ones, the PDFix Actions Marketplace offers all the powerful automation tools you need to enhance PDF accessibility and efficiency.
PDFix Desktop, with its add-on external modules, is fully equipped to support PDF/UA compliance and adhere to the latest accessibility standards.
Introducing External PDF Actions
Our latest external actions are designed to simplify your PDF remediation process. With just a few clicks, you can integrate AI-powered actions into PDFix Desktop, such as alt text generation with OpenAI, PDF language detection, or seamless HTML to PDF/UA conversion. Build your own action pipeline to simplify the process, save time, and ensure your documents are accessible with ease.
| Title | Name | Type |
| Language Detection | pdfix/lang-detect:v0.4.4 | Docker |
| OCR Tesseract | pdfix/ocr-tesseract:v0.4.4 | Docker |
| HTML to PDF/UA | pdfix/html-to-pdf:v0.4.2 | Docker |
| Alt Text Generator | pdfix/alt-text-vision:v0.2.2 | Docker |
| Alt Text Generator OpenAI | pdfix/alt-text-openai:v0.6.2 | Docker |
| veraPDF Validation | pdfix/verapdf-validation:v0.3.0 | Docker |
| Arlington PDF Model | pdfix/arlington-pdf-model:v0.3.0 | Docker |
| Table Summary Generator OpenAI | pdfix/table-summary-openai:v0.1.0 | Docker |
Note: Make sure to check in regularly for fresh add-ons and enhanced new actions.
How To Add External Action
Adding external actions to PDFix is simple. Choose from Docker actions built in container environments (Docker website) or Local actions powered by command-line applications. Just pick the type, name your action, and import it into PDFix Desktop. For detailed instructions, see our guide: How to add the external action.
PDFix Actions Marketplace
Language Detection
A Docker image that automatically detects the language of a PDF file.
OCR Tesseract
A Docker image that adds an OCR text layer to scanned PDF files using PDFix SDK and Tesseract OCR.
HTML to PDF/UA
A Docker image that converts HTML pages to PDF/UA files using PDFix SDK and Google Headless Chrome.
Alt Text Generator
A Docker image that automatically generates and applies alternative image descriptions to PDF files.
Alt Text Generator OpenAI
A Docker image that automatically generates and applies alternative image descriptions to PDF files using PDFix SDK and OpenAI. The service would require users to input their unique OpenAPI key into the action’s parameter, specifically on their account page.
How to Get an OpenAI API Key
To begin, head to OpenAI’s official platform website. If you haven’t already, create an account following the simple steps on the website. After that, you can enter the email address and password linked to your OpenAI account to sign in or log in with an existing Google or Microsoft account.
veraPDF Validation
A Docker image that validates PDFs using veraPDF, the industry-supported open-source validator that validates all PDF/A and PDF/UA parts & conformance levels. Results can be saved as HTML, XML, or JSON reports. This PDF Accessibility Checker allows users to easily perform PDF validation with customizable validation profiles.
Arlington PDF Model
A Docker image that automatically checks grammar in PDF using the Arlington PDF Model. The verification output is a report containing all of the grammatical errors contained in your PDF.
Table Summary Generator OpenAI
A Docker image that automatically generates and applies table summary to Table tags using PDFix SDK and OpenAI. The service would require users to input their unique OpenAPI key into the action’s parameter, specifically on their account page.
How to Get an OpenAI API Key
To begin, head to OpenAI’s official platform website. If you haven’t already, create an account following the simple steps on the website. After that, you can enter the email address and password linked to your OpenAI account to sign in or log in with an existing Google or Microsoft account.