SIR Image Renamer is a Chrome add-on developed by Brawlence that provides a convenient solution for renaming images. This program is particularly useful for individuals who frequently save images from popular platforms such as Pixiv, Deviantart, and Artstation.

One of the standout features of SIR Image Renamer is its ability to suggest meaningful file names when saving images from popular image galleries. By fetching data from these platforms, SIR Image Renamer suggests informative file names through the familiar 'save file' dialog. The program allows users to customize the naming template according to their preferences. By default, the template includes the author's nickname, site abbreviation, author's human-readable name, image title, and tags.

With its support for 12 popular galleries, SIR Image Renamer offers a wide range of compatibility for users. It promotes the use of Twitter and Instagram images in their original quality, making it a valuable tool for social media enthusiasts.