TikTok
Publish short-form video to the TikTok account you connect with Login Kit.
Creator publishing
One short video. Post it to TikTok, YouTube, Instagram, and Facebook.
Mas Upload is a fully built web app. Creators upload once, pick the accounts they connected, and publish now or on a schedule. We only post content you chose to accounts you authorized.
Supported platforms
Connect official login for each app. No pasted API tokens.
YouTube Shorts
Upload a vertical Short to the YouTube channel on your Google account.
Instagram Reels
Send the same video to an Instagram professional account as a Reel.
Facebook Reels
Publish Reels to a Facebook Page you manage.
What you can do
Upload once
Keep MP4 or MOV files in your media library and reuse them across platforms.
Schedule or post now
Pick a time, or publish as soon as the file finishes uploading.
See status
Home shows whether a post is publishing, live, or needs another try.
Stay in control
Disconnect any channel to delete its token. Privacy Policy and Terms of Service are linked in the footer of this page.
How it works
- Create an account with your name, email, and password, then confirm the email code.
- Open Connect and sign in to TikTok, YouTube, Instagram, and Facebook.
- Upload a short video, write a caption, and choose which platforms receive it.
- Mas Upload publishes to those accounts using the official APIs.