# StackEdit – In-browser markdown editor
Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
Author: Benoit Schweblin

In-browser markdown editor

# Unrivalled writing experience.

## Rich editor

StackEdit’s markdown syntax highlighting is unique. The refined text formatting of the editor helps you visualize the final rendering of your documents.

## WYSIWYG controls

StackEdit provides very handy formatting buttons and shortcuts, thanks to PageDown, the WYSIWYG-style markdown editor used by Stack Overflow.

## Live preview with Scroll Sync

StackEdit’s Scroll Sync extension binds accurately the scrollbars of the preview panel and the editor panel to ensure that you always keep an eye on the output while writing.

## Built-in spell-checker

StackEdit uses browser’s built-in spell-checker to perform efficient, multi-language spell-checking and correction suggestions.

## Fully customizable

StackEdit has an infinite combinations of settings. Theme, layout, shortcuts can be personalized. For the rest, StackEdit lets you create your own extension…