What is doubao-dola-watermark-helper?

doubao-dola-watermark-helper is a Chrome and Edge browser extension built to work with two Chinese AI generation platforms, Doubao and Dola. When you generate images or videos on those sites, the extension injects a floating panel onto the page that automatically shows the resources it has captured, with previews for both images and videos, and options to copy a link, download one item, download a checked selection, or download everything at once. Rather than editing video frames after the fact, the extension works by watching the responses that the website's own backend sends to the page, and pulling out the original or watermark free resource links directly from that data. The README is explicit that this project is meant only for content the user has created, owns, or has permission to download, and that users are responsible for following the platform's rules and their local laws. Beyond resource capture, the extension includes local multi-account management: it can recognize which Doubao account is currently logged in, detect a new account and offer to save its login state, let a user switch between saved accounts, and search a saved account list by name. Login state backups can be exported to a JSON file and imported later, and the README stresses that this data is equivalent to an account key, so it should stay on the user's own computer and never be shared or uploaded anywhere public. All account data is described as staying local to the browser and never being sent to the developer's own servers. To install it, a user downloads or clones the repository, opens the extensions page in Chrome or Edge, turns on developer mode, and loads the unpacked folder. The extension requests browser permissions for debugging the target tab, reading tabs, downloads, local storage, and cookies, and its access is limited to Doubao, Dola, and a related ByteDance API domain. Toggles let a user turn the whole extension on or off, or disable specific features like the watermark free extraction or a fifteen second video configuration option. The project is released under the MIT license, and its own disclaimer states it is meant for technical research and personal resource management, not for copyright infringement or bypassing platform rules.