GUITAR-TUNER-ONLINE.COM

Pluck the low E string (thickest string): Look at the tuner or the app. The goal is to get the needle or indicator on the screen to line up with the center (usually green). If the indicator is to the left, the string is flat; if it's to the right, the string is sharp... Adjust the tuning peg: If the E string is flat, turn the tuning peg for that string clockwise (toward the floor) to tighten it and raise the pitch. If it's sharp, turn the peg counterclockwise (toward the ceiling) to loosen it and lower the pitch... Tuning a guitar is essential to ensure that it produces the correct notes and sounds good when played. There are several methods for tuning a guitar, but one of the most common is standard tuning, which is EADGBE from the thickest (lowest) string to the thinnest (highest) string.