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DOKUMENTATION · Chats

Images and PDFs

Bildschirm in der App: Chats (#/chats), the attachments button in the input field.

MindDuck Dokumentation
Getting started
  • What MindDuck is
  • Installation
  • First launch
  • Connecting models
  • Access to your data and copies
Chats
  • The chat screen
  • Images and PDFs
  • Voice input
  • Context panel
  • Private chats
  • Finding chats
  • Chat and message actions
  • Web search and reading pages
  • Reading the answer
Memory
  • How memory works
  • Facts
  • Projects
  • Documents
  • Image descriptions
  • Trash
Search
  • Memory search
  • Local search index
History import
  • Import from ChatGPT and Claude
  • Claude Code and Codex sessions
Sync and devices
  • How sync works
  • Connecting Google Drive
  • A second device
  • Recovery code
  • Managing devices
Backups and export
  • Backup
  • Restoring on a new device
  • Export
Settings
  • Settings map
  • Account
  • Models
  • Assistant
  • Memory for your programs
  • Updates
Privacy and security
  • What is stored where
Help
  • Support and diagnostics
  • App messages
  • Glossary
Getting started
  • What MindDuck is
  • Installation
  • First launch
  • Connecting models
  • Access to your data and copies
Chats
  • The chat screen
  • Images and PDFs
  • Voice input
  • Context panel
  • Private chats
  • Finding chats
  • Chat and message actions
  • Web search and reading pages
  • Reading the answer
Memory
  • How memory works
  • Facts
  • Projects
  • Documents
  • Image descriptions
  • Trash
Search
  • Memory search
  • Local search index
History import
  • Import from ChatGPT and Claude
  • Claude Code and Codex sessions
Sync and devices
  • How sync works
  • Connecting Google Drive
  • A second device
  • Recovery code
  • Managing devices
Backups and export
  • Backup
  • Restoring on a new device
  • Export
Settings
  • Settings map
  • Account
  • Models
  • Assistant
  • Memory for your programs
  • Updates
Privacy and security
  • What is stored where
Help
  • Support and diagnostics
  • App messages
  • Glossary

Diese Anleitung gibt es vorerst nur auf Englisch. Die deutsche Version folgt.

How to attach

  • the Attach a file button in the input field, then Image or PDF document;
  • drag a file into the window;
  • paste an image from the clipboard (Ctrl+V / Cmd+V).

Limits per message:

How many Size
Images up to 8 each under 32 MiB
PDFs up to 4 each up to 256 MiB, together up to 512 MiB

Images

An image is sent to the model with the message, so the model must be able to read images. If the selected model can't, MindDuck warns you: The selected model cannot read images. Choose another model above the input field.

The first time for each provider MindDuck asks for permission: the images will go to that provider for analysis. You can refuse: the image is kept in the chat locally, but isn't sent to the model.

When answering a message with an image, the model also writes a short description of it and recognizes the text on it. This description is stored encrypted, and later you can find the image by its content. There is no separate paid request for this. Details: Image descriptions.

Click an image in the chat to open it full screen. The saved description and recognized text are shown there too.

PDFs

MindDuck extracts the text from a PDF and sends the text to the model, not the file itself. The original is kept encrypted on this device.

Before sending, the input field shows how many pages and characters could be extracted.

  • There is a text layer: all good.
  • Only some pages have text: MindDuck asks you to confirm: Use the partial text from this PDF.
  • There is no text layer (a scan, photos of pages): such a PDF can't be sent: No readable text layer.

An attached PDF has a Create text document button: it turns it into a MindDuck document you can edit and search. See Documents.

Attachments on other devices

Image previews and PDF text move to your other devices, while the originals stay where they were added.

ZurückThe chat screenWeiterVoice input

Aktualisiert am 7. Oktober 2026 · für Version 0.2.14 · Einen Fehler gefunden? Schreib uns

Auf dieser Seite

  • How to attach
  • Images
  • PDFs
  • Attachments on other devices
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