Markdown to Slack Formatter
Convert standard Markdown to Slack mrkdwn format. Paste your Markdown and get Slack-ready text — bold, italic, links, code blocks, and more. Free, no signup.
Standard Markdown vs Slack mrkdwn
Slack uses its own formatting dialect called mrkdwn. It looks similar to Markdown but has several key differences. This tool converts standard Markdown to mrkdwn automatically.
What gets converted
| Markdown | Slack mrkdwn | Notes |
|---|---|---|
**bold** or __bold__ | *bold* | Slack uses single asterisks |
*italic* or _italic_ | _italic_ | Slack uses underscores |
~~strikethrough~~ | ~strikethrough~ | Single tilde in Slack |
[text](url) | <url|text> | Slack link format |
# Heading | *Heading* | Slack has no headings; rendered bold |
 | alt text only | Images are not inlined in Slack messages |
`inline code` | `inline code` | Same — Slack supports this |
| ``` code block ``` | ``` code block ``` | Same — Slack supports this |
> blockquote | > blockquote | Same syntax |
--- horizontal rule | (removed) | Slack has no divider in mrkdwn |
| Markdown table | Plain text | Slack does not support tables |
What Slack mrkdwn doesn't support
- Tables — no table rendering in Slack messages; use Block Kit for structured data
- Headings — converted to bold text as a fallback
- Nested lists — Slack renders lists but indentation is limited
- Footnotes — no support
- HTML — Slack strips HTML tags
Related tools
- Markdown to HTML — convert Markdown to HTML for web use
- Markdown Live Editor — write and preview Markdown in real time
- Markdown Diff — compare two Markdown documents
- Slack mrkdwn reference — official Slack formatting documentation