| Aspect | Details | |--------|---------| | | Prohibits scraping, automated access, and redistribution of exclusive content. Violation can lead to permanent account ban. | | Copyright law | Downloading without payment = unauthorized reproduction. If you share downloads, it becomes distribution infringement. Creators can sue. | | Criminal liability | Japan’s Unfair Competition Prevention Act and Copyright Act have been enforced against Fanbox leakers. In the US, DMCA applies. | | Platform countermeasures | Pixiv adds watermarks, rate limiting, API changes, and token rotation to break downloaders. |
These tools can only download content that you are permitted to view. You must have access to the post (either free or via subscription) to download it.
Most downloaders need your FANBOXSESSID cookie, which must be extracted from your web browser's cookies while logged into Pixiv.
From a user perspective, the motivation for using a downloader is often rooted in a desire for permanence. Digital content is notoriously ephemeral; an artist might delete their account, hide old posts, or leave the platform entirely, causing years of paid content to vanish instantly. For a dedicated supporter, a downloader acts as a personal archiving tool, ensuring that the art they have paid to access remains in their possession regardless of platform stability.
; you must have an active subscription to the creator to download their restricted posts. Recommended Batch Downloaders