Mastodon Scheduler
Schedule posts to any Mastodon instance. Compose threads, attach media, set content warnings, and let Postbro publish on your schedule.
Why schedule Mastodon posts with Postbro?
Write your posts when you have time. Postbro publishes them when your audience is online.
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Pick any date and time
Schedule for tomorrow morning or three weeks from now. Postbro publishes on the dot, even while you sleep.
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Attach images or video
Optionally attach up to 4 files per post. Drag to reorder and add alt text for accessibility.
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Threads that just work
Auto-split long content into threads, or write each part by hand. Add media to individual thread items too.
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500-character limit, tracked live
A real-time counter shows exactly how much space you have left so nothing gets clipped.
Post to more than just Mastodon
Write once and schedule to any combination of platforms from the same composer.
Ready to schedule your Mastodon posts?
Create a free account and schedule your first post in under 5 minutes. No credit card required.