Kutt
Modern URL shortener with support for custom domains and custom URLs.
Kutt provides a self‑hostable URL shortening service that lets users create short links, assign custom URLs, set passwords, expiration times, and add descriptions. It records detailed usage statistics that are viewable only by the link owner, and offers an admin interface for managing users and links. The system supports custom domains, allowing shortened URLs to appear under any domain the operator controls.
The application is built with Node.js and works with SQLite by default, while also supporting PostgreSQL, MySQL/MariaDB, and optional Redis caching. Installation can be performed via a simple npm workflow or with Docker using several pre‑configured compose files. Configuration is handled through environment variables, with a required JWT secret for production.
Kutt includes a RESTful API for programmatic link management and offers browser extensions for Chrome and Firefox. It is released under the MIT license, free to use, and encourages contributions from the community.
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