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Settings
Publishing, your password, and the downloader connection.
Password
There is no public sign-up. Changing the password signs out every other device.
Downloader
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The downloader needs no account, password or API key, so there are no credentials stored in this application. It sends each post URL to the third-party service tikwm.com to obtain the video or images. For photo slideshows, the application itself then downloads the soundtrack listed in the post data, only from TikTok's media servers (tiktokcdn.com).