Tools starting with M

Split a daily calorie target into protein, carbohydrate and fat, by ratio or by body weight.

Build a mailto: link with subject, body, cc and bcc, encoded so nothing truncates.

Convert Markdown to HTML or HTML back to Markdown, with a live preview.

Tidy Markdown source without changing a single thing about how it renders.

Build a Markdown link with the escaping and angle brackets handled properly.

Turn CSV or spreadsheet rows into a properly aligned Markdown table.

Build a linked table of contents from a Markdown document's headings.

Turn Markdown into a laid-out PDF with headings, lists, quotes, code blocks and rules.

Apply a markup to a cost to get the selling price and resulting margin.

Generate an MD5 hash of any text, with a plain account of what MD5 is and is not good for.

Work out what a meeting costs in salary time, including the true cost of employment.

Generate title, description, canonical, Open Graph and Twitter Card tags with live length checks.

Check your microphone works, see the live input level and waveform, and set your gain.

Find the MIME type for a file extension, or the extensions for a MIME type.

Monthly mortgage payment including tax and insurance, with total interest over the term.

Test mouse buttons, scroll and movement, measure polling rate and click speed, and diagnose a double-click fault.