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Prompt Vault
Your reusable prompt library, with variables
chromeedgebraveoperafirefox🔒 Zero telemetryVersion 1.0.0
Description
Save, organize and reuse your best prompts across any AI assistant. Define {{variable}} placeholders, fill in the values on the fly and copy the ready-to-use prompt in one click. Search by title, body and tags; git-friendly JSON export/import to version and share your library. 100% offline, no telemetry.
Features
- Prompt library with full CRUD (title, body, tags)
- {{name}} variables: on "Use" it asks for values and compiles the prompt
- Live compiled preview and one-click copy to clipboard
- Instant search across title, body and tags
- Git-friendly JSON export/import (stable format, clean diffs) with merge by id
- Cross-assistant: works with any AI chatbot
- 100% offline, data stays in the browser, zero telemetry
Privacy
100% local processing in your browser. Zero telemetry: no data is sent to external servers.
Required permissions
Screenshots

Supported browsers
chromeedgebraveoperafirefox