AO3 Cross Posting Helper is a free Chrome extension developed by liah.faile1. This handy tool is designed to assist users in crossposting their works from AO3 (Archive of Our Own) to AO3 clones like Squidgeworld. With this extension, users can easily autofill a new work on AO3 or Squidgeworld, saving time and effort.

This unofficial extension offers several useful features for crossposting. It allows users to import tags, rating, author's notes, and chapter content from AO3 to match the work they intend to crosspost. By automating this process, AO3 Cross Posting Helper streamlines the crossposting experience, making it more convenient for authors who want to share their works across multiple platforms.

It's important to note that AO3 Cross Posting Helper is not supported by AO3, and any issues or inquiries regarding the extension should not be directed to AO3 support. This extension is solely developed to assist users in crossposting their works and is not officially affiliated with AO3.

Overall, AO3 Cross Posting Helper is a valuable tool for authors who want to easily crosspost their works from AO3 to AO3 clones. Its autofill functionality and compatibility with various platforms make it a convenient choice for users looking to expand their reach and share their creations with a wider audience.