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Free Mastodon tools

Explore the best free Mastodon tools to count a post against the 500-character default the way Mastodon counts links, and turn a post into an image.

Navid Moazzez built every one of them, and each works right here on the page with no sign-up.

Aggiornato 5 ott 2026

Mastodon character counter

Mastodon's 500-character default, counted the way Mastodon counts links and mentions.

Post image generator

Turn an X, LinkedIn, Threads or Substack post into a quote card, carousel or thread image, in every size, Pinterest and LinkedIn included.

Share link generator

One text and one link become share links for every platform, with the preview card people will see.

Mastodon MCP server & CLI

Post, edit and read your timelines on any Mastodon instance from Claude, Codex or Cursor.

Server MCP e CLI

Mastodon bio generator

Your Mastodon bio in the shapes the best Mastodon people use, graded against them.

Mastodon image resizer

Your photos in all 4 Mastodon sizes, each crop on your subject, in your browser.

Guarda i migliori: free Mastodon tools

6 strumenti

Mastodon character counter

Mastodon's 500-character default, counted the way Mastodon counts links and mentions.

Post image generator

Turn an X, LinkedIn, Threads or Substack post into a quote card, carousel or thread image, in every size, Pinterest and LinkedIn included.

Share link generator

One text and one link become share links for every platform, with the preview card people will see.

Mastodon MCP server & CLI

Post, edit and read your timelines on any Mastodon instance from Claude, Codex or Cursor.

Server MCP e CLI

Mastodon bio generator

Your Mastodon bio in the shapes the best Mastodon people use, graded against them.

Mastodon image resizer

Your photos in all 4 Mastodon sizes, each crop on your subject, in your browser.