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Slack Text Formatter

Make important Slack messages impossible to scroll past.

Why format text on Slack?

On Slack, a four-line announcement competes with twenty water-cooler threads, three Github bots and a Notion preview. A single bolded action item lifts the read-rate of your message enough that the “who else hasn't responded?” chase becomes shorter.

Best practices for Slack

  • Bold the action and the deadline; everything else can stay plain.
  • Use > quotes when replying inline to a thread for context that survives collapse.
  • Triple-backtick code blocks have a copy button — perfect for sharing commands, hashes and config snippets.
  • Heads-up: Slack's mobile push notifications strip formatting, so the first plain words of your message still need to make sense.

Format for other platforms

👻SnapchattTumblrGGoogleinLinkedIn💬WhatsAppigInstagram

Slack formatter FAQ

Single asterisks: *bold*. Underscore for _italic_, tildes for ~strike~, backticks for `code`. Our toolbar inserts them around your selection.

Yes in DMs and channels. Canvases use a richer editor with its own toolbar — paste plain text there.

Yes. Slack workflows pass message content through the same Markdown renderer as direct posts.

Mentions render as a pill, so you can't bold them. Put the emphasis on the action word right after the mention.

Explore the topic cluster

A wider set of formatters and guides on this topic.

FormatterLinkedIn Text FormatterBold and italic for a plain-text editor.FormatterInstagram Text FormatterStyle captions, bios and comments.GuideHow to Format Text on LinkedInBold and italic in a plain-text editor, step by step.GuideMarkdown on WhatsApp, Discord & SlackWhich apps take native markdown vs need Unicode.FormatterWhatsApp Text FormatterBold, italic and strikethrough that stick.FormatterDiscord Text FormatterMarkdown plus Unicode for servers and DMs.