This extension allows you to open a local file link \"file://\" directly (not download). You only write the manifest file, reg file and your local program on local computer. You can follow chrome development guides (https://developer.chrome.com/docs/apps/nativeMessaging/).
This program is use json format to send the message to local program. Please use \"message\" to receive the file name and \"host\" to receive the host name.
You can use any program language to write the local program to receive the json format send from the chrome extension.