A router tool is mainly used in woodworking to hollow out, shape, trim, and cut grooves or decorative edges in wood. It’s especially useful for cabinet work, joinery, and making smooth, precise edges and patterns.

Common uses

  • Cutting grooves, slots, and dados for joinery.
  • Shaping edges and making decorative profiles on shelves, doors, and furniture.
  • Trimming and smoothing rough edges for a cleaner finish.
  • Creating recesses for hinges, hardware, inlays, and other fittings.

Simple example

If you want a shelf with a rounded, polished edge instead of a sharp corner, a router can shape that edge cleanly and consistently.

In one line

A router is basically a precision shaping tool for wood that helps make cuts and finishes that are hard to do neatly with other tools.