How to use the retouching and painting tool in photoshop
Spot Healing Brush Tool (Keyboard: j )
The Spot Healing Brush in Photoshop quickly removes blemishes and other minor problem areas in an image. Use a brush size slightly larger than the blemish for best results.
Healing Brush Tool (Keyboard: shift + J )
The Healing Brush lets you repair larger problem areas in an image by painting over them. Hold Alt (Win) / Option (Mac) and click to sample good texture, then paint over the problem area to repair it.
Patch Tool (Keyboard: Shift + J )
With the Patch Tool, draw a freeform selection outline around a problem area. Then repair it by dragging the selection outline over an area of good texture.
Content-Aware Move Tool (Keyboard: shift + J )
Use the Content-Aware Move Tool to select and move part of an image to a different area. Photoshop automatically fills in the hole in the original spot using elements from the surrounding areas.
Red Eye Tool (Keyboard: shift + J )
The Red Eye Tool removes common red eye problems in a photo resulting from camera flash.
Brush Tool (Keyboard: B )
The Brush Tool is Photoshop's primary painting tool. Use it to paint brush strokes on a layer or on a layer mask.
Pencil Tool (Keyboard: shift + B )
The Pencil Tool is another of Photoshop's painting tools. But while the Brush Tool can paint soft-edge brush strokes, the Pencil Tool always paints with hard edges.
Color Replacement Tool (Keyboard: shift + B )
Use the Color Replacement Tool in Photoshop to easily replace the color of an object with a different color.
Mixer Brush Tool (Keyboard: shift + B )
Unlike the standard Brush Tool, the Mixer Brush in Photoshop can simulate elements of real painting such as mixing and combining colors, and paint wetness.
Clone Stamp Tool (Keyboard: S )
The Clone Stamp Tool is the most basic of Photoshop's retouching tools. It samples pixels from one area of the image and paints them over pixels in another area.
Pattern Stamp Tool (Keyboard: shift + S )
Use the Pattern Stamp Tool to paint a pattern over the image.
History Brush Tool (Keyboard: shift + S )
The History Brush Tool paints a snapshot from an earlier step (history state) into the current version of the image. Choose the previous state from the History panel.
Art History Brush Tool (Keyboard: shift + S )
The Art History Brush also paints a snapshot from an earlier history state into the image, but does so using stylized brush strokes.
Eraser Tool (Keyboard: E )
Photoshop's eraser tool can be found in the second group of icons in the toolbox. It has three variations: Eraser, Background Eraser and Magic Eraser.
Background Eraser Tool(Keyboard: shift + E )
The background eraser tool allows you to remove the background colour from an image or layer. When you click the image, the eraser samples the colour at the centre of the brush and erases this colour as you drag. Options in the toolbar allow you to specify the type of erasure, colour tolerance and sampling method.
Magic Eraser Tool(Keyboard: shift + E )
The magic eraser tool erases all colours within a set tolerance. This is essentially the same as using the magic wand and hitting Delete. Using this tool you don't need to drag
Gradient Tool(Keyboard: G )
Photoshop's Gradient Tool draws gradual blends between multiple colors. The Gradient Editor lets you create and customize your own gradients.EX.
Paint Bucket Tool(Keyboard: shift + G )
The Paint Bucket Tool fills an area of similar color with your Foreground color or a pattern. The "Tolerance" value determines the range of colors that will be affected around the area where you clicked.
3D Material Drop Tool (Keyboard: shift + G )
Used in 3D modeling, the 3D Material Drop Tool lets you sample a material from one area and then drop it into another area of your model, mesh or 3D layer.
The Blur Tool blurs and softens areas you paint over with the tool.
The Sharpen Tool sharpens areas you paint over.
The Smudge Tool in Photoshop smudges and smears the areas you paint over. It can also be used to create a finger painting effect.
Dodge Tool (Keyboard: O )
Paint over areas in the image with the Dodge Tool to lighten them.
Burn Tool (Keyboard: shift + O )
The Burn Tool will darken the areas you paint over.
Sponge Tool (Keyboard: shift + O )
Paint over areas with the Sponge Tool to increase or decrease color saturation.