How to create grid texture in Photoshop?

Christoph points out a very good method for creating your own grid pattern.

There is one already provided that may be sufficient.  Choose Edit - Fill - Pattern, load the standard Patterns set, and choosing the grid pattern Tiles-Smooth from the provided Patterns...

-Noel

Just

• create a new document with the dimensions you want your grid to be (in pixels)

• Select > All

• nudge the Selection to the right and down as many pixels as you want the grid lines to be thick

• Select > Inverse

• fill with the intended color

• Select > Deselect

• Edit > Define Pattern

• then use the Pattern as a Pattern Layer or Fill