Discord syntax tester

Discord Markdown Live Preview

Test Discord Markdown syntax in a side-by-side live preview, insert examples, inspect rendering, and catch unmatched formatting markers.

Markdown source

Insert a syntax example or type your own.

No unmatched Markdown markers found

Rendered message

Live Discord-style preview

Text FormatterToday at 4:20 PM

Release notes

The new dashboard is faster and easier to scan.

Feedback is welcome.

• Fixed notification delays

• Added a surprise feature

Preview your message before sending.

Why use this Discord Markdown Live Preview?

Learn syntax by trying it

Insert working examples instead of switching between a reference page and Discord.

See changes immediately

The message preview updates as each Markdown marker is typed.

Catch common mistakes

Warnings identify unmatched bold, underline, spoiler, strike, and code markers.

Compare preview density

Switch between desktop and compact Discord-style layouts.

Validate pasted messages

Check Markdown generated by documentation, bots, templates, or teammates.

Keep the original source

Copy the Markdown itself after confirming that it renders as intended.

How it works

Paste Discord Markdown

Use an existing message or insert examples from the syntax bar.

Inspect rendering and warnings

Compare the source with the live preview and fix unmatched markers.

Copy the validated source

Move the final Markdown into Discord, a bot, or documentation.

Discord Markdown syntax and validation

Discord Markdown Live Preview is a syntax tester and validator. It is intended for checking Markdown rendering and malformed markers, not for replacing the full message-composition workflow on the Discord Text Formatting page.

Markdown markers work in pairs. If a message opens bold text with ** but never closes it, the remainder can render unexpectedly or appear as literal punctuation. The warning panel checks the most common paired markers while you type.

Discord also uses line-level syntax. A greater-than sign creates a quote, a dash can create a list item, and -# introduces native subtext. These structures are easier to evaluate in a live message preview than in a plain textarea.

This page is a syntax laboratory rather than a full message-writing workspace. Use it when learning a marker, reviewing generated Markdown, or debugging a message that looks different from what you expected.

Supported Discord Markdown syntax

This page is a Markdown tester and syntax checker. It focuses on whether source markers are paired and how the result renders.

Syntax	Preview behavior	Validation
`bold`	Strong emphasis	Checks paired ** markers
`__underline__`	Underlined text	Checks paired __ markers
`~~strike~~`	Strikethrough text	Checks paired ~~ markers
`\|\|spoiler\|\|`	Hidden spoiler block	Checks paired \|\| markers
`code`	Inline code	Checks unmatched backticks
`-# subtext`	Discord native subtext	Requires line-start syntax

The checker catches common unclosed markers. It does not replace final testing for embeds, mentions, custom emoji, bot output, or every possible nested syntax combination.

Practical examples

Nested emphasis

Combine bold and italic emphasis.

***Important context***

Code and explanation

Keep a command visually distinct.

Run `npm run build` before release.

Spoiler validation

Confirm both spoiler markers are present.

The answer is ||42||.

Important limitations

Warnings detect unmatched markers, not every possible semantic or nesting error.

The preview does not execute mentions, custom emoji, links, slash commands, or bot interactions.

Discord client updates can change final rendering without changing the Markdown source.

Code blocks, syntax highlighting, embeds, and webhook-specific formatting can require additional testing in Discord.

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FAQ

What is Discord Markdown?

It is Discord's text-formatting syntax for emphasis, quotes, lists, code, spoilers, and other message structures.

Why use a live preview?

A live preview helps you see whether markers are paired and whether the message hierarchy reads clearly before you send it.

Does Discord support standard Markdown?

Discord supports a useful subset plus Discord-specific behavior. It does not implement every feature found in full Markdown processors.

What does an unmatched marker mean?

It means an opening marker such as ** or || does not have a corresponding closing marker in the current source.

Can this check every Discord Markdown error?

No. It checks common unmatched markers and previews supported syntax, but complex nesting, embeds, mentions, and bot-specific output still require final testing in Discord.

How is this different from Discord Text Formatting?

This page focuses on learning and validating syntax. Discord Text Formatting focuses on composing complete messages with templates and a toolbar.