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Coffer
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About Coffer
Coffer is a Chrome extension designed to capture and organize high-value responses from AI assistants like ChatGPT, Claude, and Gemini. It adds a “Stash” button to each AI response, allowing users to save formatted Markdown content—including code blocks, tables, and headings—into a single, searchable vault stored locally on their device. This eliminates the frustration of losing important answers buried in long chat histories. The tool is particularly useful for developers, researchers, writers, and Obsidian users who need to reuse or reference AI-generated content efficiently. Coffer supports direct synchronization with Obsidian vaults, automatically writing notes with YAML frontmatter without requiring additional plugins or setup. Users can also export their entire vault as Markdown files for use in other applications like Notion or Logseq. With no server involvement, all data remains private and accessible offline, making it ideal for those prioritizing security and convenience.
Key features
- Adds a save button to AI assistant responses in ChatGPT, Claude, and Gemini
- Saves outputs as formatted Markdown files
- Preserves headings, lists, and code blocks in saved content
- Unifies outputs from multiple AI assistants in one searchable vault
- Stores data locally on your device for privacy
- Enables quick search and retrieval of saved AI responses
- Designed for knowledge workers, developers, students, and creators
Use cases
- Capturing and organizing useful AI-generated code snippets for future reference
- Saving structured research or study notes from AI assistants for easy review
- Storing and reusing high-value AI responses in professional workflows
Pros
- One-click saving of AI responses with formatting preserved
- Local-first storage ensures privacy and offline access
- Full-text search across saved content
- Direct sync with Obsidian vaults without plugins or API keys
- No account or cloud storage required
Cons
- Limited to Chrome browser environment
- No native mobile or desktop app support
- Manual organization required for large vaults
Coffer videos
Frequently asked questions about Coffer
What is Coffer and what does it do?
Coffer is a Chrome extension that lets users save individual AI responses from ChatGPT, Claude, and Gemini into a local, searchable vault. It preserves formatting like code blocks and headings for easy reuse later.
Who is Coffer designed for?
The tool is designed for knowledge workers, developers, researchers, writers, and Obsidian users who frequently use AI assistants and need to organize and retrieve valuable responses efficiently.
Does Coffer require an account or cloud storage?
No, Coffer does not require an account or cloud storage. All saved data remains on the user's device in Chrome's local storage, ensuring privacy and offline access.
Can Coffer sync with Obsidian?
Yes, Coffer can sync directly with an Obsidian vault. Users select a vault folder once, and Coffer writes Markdown notes with YAML frontmatter automatically, without needing plugins or API keys.
Is Coffer free to use?
Yes, Coffer is free to use and does not require a subscription or payment. There are no ads, tracking, or analytics involved.
How do I get started with Coffer?
Install the Chrome extension from the Web Store, then use the "Stash" button that appears on AI responses to save them to your vault. Search or organize your saved content as needed.
