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Mastodon Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.

UPPERCASE

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lowercase

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Title Case

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Sentence case

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camelCase

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PascalCase

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snake_case

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kebab-case

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aLtErNaTiNg

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How to use the Mastodon Case Converter

Formatting text in the right case makes your Mastodon posts easier to read and more consistent. This tool converts between UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case, and more in one click.

  1. 1.Type or paste your text into the input field above
  2. 2.Click the case format you want to convert to
  3. 3.Copy the converted text and paste it into your Mastodon post

Why use the Mastodon Case Converter?

Consistent capitalisation makes Mastodon posts easier to read and more on-brand. This converter switches text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, and snake_case in one click — handy for decentralized, community-run, ad-free social users cleaning up headlines and captions.

Mastodon specifics

Post limit
500 characters
Cases
UPPER, lower, Title, Sentence, camel, snake

Tips for Mastodon

  • Title Case suits Mastodon headlines; Sentence case reads more naturally in captions.
  • Avoid ALL CAPS for whole posts — it reads as shouting and hurts accessibility.
  • Use the converter to fix text pasted from sources with broken capitalisation.

Frequently asked questions

How do I change text case for Mastodon?

Paste your text, click the case you want (UPPERCASE, lowercase, Title Case, and more), and copy the result back into Mastodon.

Is the converter free and private?

Yes — it runs locally in your browser with no sign-up, so your Mastodon text never leaves your device.