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Flast can analyze files you share, including images, documents, and more. This helps when you need feedback on designs, help with documents, or analysis of visual content.

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Supported File Types

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Images

  • PNG, JPG, JPEG, GIF, WebP
  • Flast can describe, analyze, and discuss image content

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Documents

  • PDF files
  • Text files (.txt)
  • Markdown files (.md)

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Code Files

  • Most programming language files
  • Configuration files (JSON, YAML, etc.)

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How to Attach Files

1

Click the attachment icon

Find the paperclip icon in the message input area.
2

Select your files

Choose one or more files from your device.
3

Preview and send

Your attachments appear as thumbnails. Type your message and send.

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Drag and Drop

You can also drag files directly into the chat window. Drop them in the input area and they will be attached automatically.

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File Limits

File size and count limits vary by plan. Check your account settings for specific limits.

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Working with Images

When you attach an image, Flast can:
  • Describe what it sees
  • Identify objects, text, and people
  • Analyze design elements
  • Extract information from screenshots
  • Compare multiple images

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Example Prompts for Images

What does this design look like? Any suggestions for improvement?

Can you read the text in this screenshot and summarize it?

Compare these two mockups and tell me which is better for mobile.

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Working with Documents

For PDFs and text files, Flast can:
  • Summarize the content
  • Answer questions about the document
  • Extract specific information
  • Help you edit or improve the writing

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Example Prompts for Documents

Summarize the key points from this PDF.

What are the main action items in this document?

Help me rewrite section 3 to be more concise.

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Removing Attachments

Before sending, you can remove an attachment by clicking the X on its thumbnail. Once sent, attachments cannot be removed from that message.

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Privacy

Attachments are processed to provide responses and may be stored temporarily. Avoid sharing sensitive documents like those containing passwords, financial information, or confidential business data.

Next: Voice Input

Learn how to speak to Flast instead of typing.