Support

Getting help

Most of what goes wrong is one switch in your browser. Start here, and write to us if it turns out to be something else.

Try this first

A Markdown file opens as plain text
Your browser keeps local files behind a switch of its own, and it starts off. Open your browser's extensions page, find Markdown Browser Tools, open its details, and turn on “Allow access to file URLs”. That is the whole fix, and you only do it once.
The folder tree, search or outline stay empty
The same switch. Browsing a folder means reading from disk, so it needs the same permission a single file does. Turn it on, open a folder from the toolbar icon, and the panels fill in.
Diagrams or equations don't appear
On a file from your computer, the same switch again: the code that draws them ships inside the extension and needs file access to place it on the page. On a website they appear without it.
Markdown on a website shows as plain text
The extension only steps in when the server labels the file as Markdown or plain text. A site that sends it as an ordinary web page is left alone, on purpose. Worth checking too that the site isn't excluded under the extension's site access in your browser's settings.
The toolbar icon is missing
Click the puzzle-piece icon beside the address bar, then pin Markdown Browser Tools. Your browser decides which icons are shown, and no extension can pin itself.

Still stuck?

Tell us what happened. A real person reads every message.

What is this?

Which browser and version, whether the file is on your computer or on a website, and what you expected to happen.

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