Email to Markdown

Paste a plain-text email and get Markdown.

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Input
Output

About email to markdown

Email to Markdown runs in the page as you use it. There is no input to submit and no result to fetch, because the whole thing happens on this side of the wire.

The page holds your input in memory and nowhere else. No cookie stores it, no request sends it, and a reload wipes it.

You will find it under Email, alongside 6 other tools for the same sort of job.

Converts headers to a metadata table, URLs to clickable links, email addresses to mailto links, and indented text to blockquotes.

How to use it

01
Start it
Every control is on the tool itself. Keyboard shortcuts, where there are any, are listed beside it.
02
Watch it run
It updates in the page as you go. Nothing is sent anywhere, so it keeps working with the network off.
03
Close when done
Nothing is stored between visits. Reloading gives you a clean start rather than picking up where you left off.

Examples

Email with links and addresses
Convert an email with headers, a URL, and an email address to Markdown
Input
From: [email protected]
To: [email protected]
Subject: Q1 Sprint Planning
Date: Mon, 13 Jan 2025 10:00:00 -0500

Hi Bob,

The sprint backlog is ready at https://example.com/board/q1

Please review and reach out to me or [email protected] with questions.

Best,
Alice
Output
# Q1 Sprint Planning

| Field | Value |
|-------|-------|
| **From** | [email protected] |
| **To** | [email protected] |
| **Date** | Mon, 13 Jan 2025 10:00:00 -0500 |

---

Hi Bob,

The sprint backlog is ready at [https://example.com/board/q1](https://example.com/board/q1)

Please review and reach out to me or [[email protected]](mailto:[email protected]) with questions.

Best,
Alice

Questions

Does Email to Markdown work offline?+

Yes. It is JavaScript running in this tab, so once the page has loaded it needs nothing further from the network. Put the machine in flight mode and it carries on. Nothing you do here is sent anywhere, because there is nowhere for it to go.

Does it remember anything between visits?+

No. Reload the page and it starts from nothing. There is no account, no saved state and no cookie holding your last session. That is a deliberate trade: it cannot lose your data because it never keeps any.

Is it accurate?+

Timing comes from performance.now(), the high resolution clock the browser provides, rather than from setInterval, which drifts by a few milliseconds every tick and compounds over minutes. What can still shift things is the browser throttling a tab in the background, so leave it visible if the timing matters.

Does it make a sound?+

Where a sound makes sense, it is generated with the Web Audio API rather than loaded as a file, so there is nothing to download and nothing to block. Browsers refuse to start audio until you have interacted with the page, which is why the first press is what switches it on.

Can I use Email to Markdown on a phone?+

Yes. The controls are sized for touch and the layout collapses to one column on a narrow screen. Bear in mind that a phone locking its screen will suspend the page, and timing stops with it.