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A thought can hold multiple attachments, including images, files, and audio clips.

Add an attachment

Drop a file onto the capture composer, paste an image, or drop a file onto an existing thought. Attachments are encrypted with your vault key before they are stored with the rest of the vault. Each file can be up to 100 MB. Files count toward your plan’s storage allowance.

Record audio

When your browser supports recording and speech recognition, Tuck can keep the audio and its transcript together. Transcription runs on your device. To do that, Tuck downloads a speech model from Hugging Face, which can see your device’s IP address during the download. On iPhone and iPad, Tuck uses local transcription where supported and can fall back to a local Whisper-based path when needed.
Attachments are not sent through the text-only ingest mailbox. A pending attachment from a widget or share extension waits for the Tuck app to open and seal it.

Open attachments in the web app

Attachments download when needed instead of all downloading with every vault sync. Photos may load as their cards come into view. Audio stored remotely shows a download control and progress before playback. In Safari on iPhone and iPad, attached PDFs display inside Tuck. Use the share sheet when you want a copy of the file. If your browser can’t show an attached image, such as an SVG or a HEIC photo in Chrome or Firefox, Tuck lists it with the thought’s files so you can download it instead.