The Auto Envelope Indicator for MT4 is a popular and useful Forex trading tool. It is free to use and can be easily downloaded from the Best-MetaTrader-Indicators website. This indicator is designed to help traders identify potential trend reversals and entry/exit points in the market. It works by plotting two envelopes on the chart, one above and one below the current price. Traders can use this indicator to help them identify potential entry and exit points, as well as to help them manage their risk.