The Abbrlink plugin for Obsidian allows users to generate permanent links for their Markdown files. This feature-rich plugin offers both automatic and manual generation modes, along with customizable hash lengths (4-32 digits) and collision detection and prevention. With the option to skip files that already contain abbrlinks, users can efficiently batch process their notes without duplicates. The plugin also includes an advanced mode that allows for random hash generation, ensuring unique links. Overall, Abbrlink provides a convenient way to create organized links within Obsidian, making it easier to navigate and reference your notes.