Captule

A local-first Chrome extension for highlighting and saving useful ChatGPT passages in a private browser sidebar. Organise insights with folders, tags, and notes; edit and search them quickly; protect them with a passphrase, hide the sidebar, or export JSON backups.

Cost / License

Free Personal
Proprietary

Platforms

Google Chrome

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Properties

Lightweight
Privacy focused
Support for Themes
AI-Powered
Local-First

Features

No registration required
No Coding Required
Full-Text Search
Encrypted Backup
No Tracking
Works Offline
Export to JSON
Knowledge Management

Captule information

Developed by
SamBuildsApps
Licensing
Proprietary and Free Personal product.
Alternatives
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Supported Languages
- English

AlternativeTo Categories

Office & Productivity, Backup & Sync, Web Browsers

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Captule was added to AlternativeTo by SamBuildsApps on Oct 19, 2026 and this page was last updated Oct 19, 2026.

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What is Captule ?

Captule is a tool that stores and manages ChatGPT responses in a private, searchable library within your web browser. It allows users to save, edit, and secure useful responses using folders, tags, and a passphrase. It operates locally, with no need for accounts, servers, or data transfer.

It prevents loss of valuable ChatGPT threads and can search the library within seconds. It includes a privacy screen for instant hiding and a JSON export for backups. It is compatible with current Chrome versions without any modifications.

Captule

Cost / License

Platforms