Slack Message Formatter
Write a Slack message and format it without memorizing mrkdwn. Select text and click a button to add bold, italic, code, quotes, or links, watch it render in a live Slack-style preview, then copy the raw markup to paste straight into Slack.
Launch is on track for Friday.
Remaining work is in
deploy.sh — details:npm run build npm run deployPing me if anything breaks
The preview approximates how Slack renders mrkdwn. Slack's exact spacing and emoji art vary by client.
Slack mrkdwn syntax
*bold*_italic_~strike~`code````\ncode\n```> quoted line<https://url|label>Common :emoji: codes
Type these shortcodes in Slack and they turn into emoji. Copy one to drop it into your message.
Slack formatting, explained
How do I format text in Slack?+
Slack uses a lightweight markup called mrkdwn. Wrap text in *asterisks* for bold, _underscores_ for italic, ~tildes~ for strikethrough, and `backticks` for inline code. Start a line with "> " for a quote. This tool lets you select text and click a button to add the markers for you, with a live preview of the result.
What is mrkdwn?+
mrkdwn is Slack’s own take on Markdown. It differs from standard Markdown in a few ways: bold uses single *asterisks* instead of **double**, italic uses _underscores_, and links use the <url|label> syntax. This formatter previews text using those Slack-specific rules so what you see matches what Slack renders.
How do I add a link in Slack?+
When typing directly, Slack usually auto-links plain URLs. To show a custom label, use the angle-bracket form <https://example.com|Click here>. Select some text and press the Link button above to insert that syntax around it, then replace the placeholder URL with your own.
Is it free?+
Yes. This formatter is completely free, needs no login or account, and runs entirely in your browser, so nothing you type is ever uploaded anywhere.
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