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Preview Mastodon Post Online — Free Tool

Preview your Mastodon posts before publishing. See how toots will appear in the fediverse with image grids and engagement icons.

PREVIEW
Mastodon
Mastodon
Mastodon
@mastodon@instance
1m
Just landed in the mountains! The view from up here is absolutely breathtaking. Nothing beats getting away from the city and reconnecting with nature. 🏔️✨ #travel #adventure #mountains

Features

  • Fediverse post layout
  • Image grid (up to 4)
  • Instance handle display
  • Boost and favourite icons

Supported post types

  • Post

Platform specs

Character limit500 characters
Media formatsJPEG, PNG, GIF, MP4
Post typesPost

How to use this tool

  1. Type or paste your post text in the editor above.
  2. Select the post type you want to preview.
  3. Toggle sample media on or off to see how images will appear.
  4. When you're happy with how it looks, copy your text and post it — or create a free BulkPublish account to schedule and publish directly.