does what it says on the tin

idiomPart oftin

does what it says on the tin — idiom

1. used to say that something is exactly as it claims to be, without any hidden ext

1.idiom
Definition

used to say that something is exactly as it claims to be, without any hidden extras or surprises.

Example

This software does what it says on the tin — simple file editing with no hidden fees.

The hotel was basic but it did what it said on the tin: clean rooms and breakfast included.