Preview your Mastodon post

See how your toot will appear on Mastodon. Test your text and images before posting to the fediverse.

Enter your Mastodon post text and optionally add an image to preview how your toot will look.

Edit

88/500
@
Engagement
Y
Your Name
@yourhandle@mastodon.social
This is a preview of your social media post. Edit the fields to see how it will look! 🚀
8
3
42

Frequently Asked Questions

What is the Mastodon character limit?

Most Mastodon instances allow up to 500 characters per post (toot), though some instances allow more.

Is this free to use?

Yes, 100% free. No Mastodon account required.

Can I preview with images?

Yes, upload an image to see how it will be displayed in your Mastodon post.

Does it support custom instances?

The preview shows a standard Mastodon layout that works across all instances.

Other Free Tools

Twitter/X Post PreviewInstagram Post PreviewLinkedIn Post PreviewFacebook Post PreviewTikTok Post PreviewYouTube Thumbnail PreviewPinterest Pin PreviewThreads Post PreviewBluesky Post Preview

Ready to schedule your posts?

Go beyond previewing — plan, schedule, and publish across all platforms from one dashboard.

Sign up with GoogleGet started free

Free Mastodon Post Preview Generator — Preview Your Toot

Preview your Mastodon toot before posting

The Mastodon Post Preview Generator renders your toot in the authentic Mastodon feed layout — with your display name, handle, instance info, post text, attached image, and action buttons. Preview your fediverse post before sending it to your followers across the decentralized network.

Plan your content across instances

Mastodon's decentralized nature means your post appears on your home instance and federates across others. Most instances support 500 characters, though some allow up to 5,000. The preview gives you a standard view so you can check how your toot will look across the Mastodon ecosystem.

Download your Mastodon post mockup

Download your Mastodon post preview as an image for community announcements, content planning, or showing colleagues what your fediverse presence looks like. 100% free and requires no Mastodon account.