The default search setting using Google from within any browser is 'moderate', which only filters images. Activating 'Strict' Filtering will filter both images and text. To turn safe search off, follow the steps below.
1. From within any browser, search for Google Preferences (
www.google.com/preferences)
2. As shown in the screen shot image below, select 'No filtering' to turn safe search off.
2. Click the Save botton at the bottom of the Google Preferences page to save your new settings.