The appropriate angle of rotation needed to straighten out the photo is automatically become part of the Rotate Canvas dialog box. Note: You could drag out a measure line on a picture feature that must be straight or vertical, and afterwards Choose Image > Image Rotation > Arbitrary. Ruler Tool in Photoshop is like a virtual tape that you can use to have an exact calculation between two shapes or lines, resize or move an object in your document it contains all the steps for using rulers in Photoshop that consists the nuances like activating the ruler, using rulers from x, y, z-axis, measuring angle, straightening an image, and a lot. To get rid of the line, put the pointer on the line away from either endpoint, or drag the line from the photo, or click clear in the tool options bar.Alternatively, you can press Command + (Mac) or Control + (Windows) to clear. To move the line, position the pointer on the line away from either endpoint, as well as drag the line. To clear all guides from your screen in Photoshop, go to View > Clear Guides.To resize the line, drag one end of an existing measuring line.Hold back the Shift key to constrict the tool to multiples of 45°.

To create a protractor from an existing measuring line, Alt-drag (Windows) or Option-drag (Mac OS) at an angle from one end of the measuring line, or double-click the line and also drag.

If you prefer channel shortcuts starting with Ctrl/Command + 1 for red, choose Edit > Keyboard Shortcuts, and select Use Legacy Channel Shortcuts. Hold down the Shift key to constrain the tool to 45 ° increments. Toggle auto-select checkbox in Options bar with Move tool selected.

Drag from the beginning point to the ending point.

(If the Ruler isn't really visible, hold down the Eyedropper tool.).

Ruler tool photoshop