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Craft’s AI Assistant can help you understand, summarize, and describe images and PDFs directly inside your documents. When you hover over supported content, you’ll see quick action buttons that let you interact with it instantly.
Image and PDF OCR support was added in version 3.3.5, making it easy to extract text, generate captions, and create alt text for accessibility.

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PDF Support

The AI Assistant can read and interpret PDF files attached to your documents. What you can do with PDFs:
  • Generate summaries of entire documents
  • Ask questions about the content
  • Extract key points or insights
  • Pull out specific information
This is especially useful for:
  • Research papers and articles
  • Reports and whitepapers
  • Documentation and manuals
  • Meeting notes and presentations

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Image Support

The AI Assistant works especially well with images and provides fast results for visual content.

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Supported image formats

  • PNG
  • JPG
  • JPEG
  • GIF
  • WEBP
HEIC images are currently not supported. Convert HEIC files to JPG or PNG before using with the Assistant.

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What you can do with images

  • Generate captions – Create descriptive captions for your images
  • Get summaries – Understand what the image shows
  • Create detailed descriptions – Generate thorough interpretations
  • Improve accessibility – Generate alt text for screen readers
  • Extract text – Pull text from screenshots or photos of documents
Use cases:
  • Documentation and guides
  • Meeting whiteboards and diagrams
  • Screenshots of UI or designs
  • Charts and graphs
  • Accessibility compliance (alt text generation)

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Using OCR features

1
Add an image or PDF to your document.
2
Hover over the image or PDF block.
3
Click the Assistant quick action button that appears.
4
Choose what you want to do: generate caption, summarize, extract text, or ask a custom question.
The Assistant will process the content and provide results instantly.

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Code blocks

In addition to images and PDFs, the AI Assistant can also help with code blocks:
  • Explain what code does
  • Help debug issues
  • Clarify logic or structure
  • Suggest improvements
This makes Craft a powerful tool for technical documentation and development notes.

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Tips for best results

For images:
  • Use clear, high-resolution images when possible
  • Ensure text in images is legible
  • Crop out unnecessary content for more focused results
For PDFs:
  • Smaller PDFs process faster
  • Well-formatted PDFs with clear text work best
  • Consider splitting very large PDFs into sections
For code:
  • Include context about what the code should do
  • Specify the programming language if not obvious
  • Ask specific questions for better answers

Using Craft Assistant

Custom Prompts

Choosing AI Models

Media in Documents

Code Blocks