Tarjomak от Mostafa Alahyari (@mimalef70)

Tarjomak, an extension for translating your contents from English to Persian (Farsi) as easy as pie. The only things you need to do is:

Option 1:
1. Select the text
2. Tap the Shift key
3. Done. You have the translated equivalent

Option 2:
1. Select the text
2. Click on the extension's icon on the explorer's toolbar
3. Done. You have the translated equivalent