• Health & Fitness, Exercise
• DSL file extension reader
• March 7, 2026

A DSL file is often a file that contains a Domain-Specific Language, which is basically a mini-language designed for one particular job instead of a general programming language like Python or JavaScript. In the real world, these files usually exist to describe something in a structured, human-readable way—like business rules (when something is true, do this), data models or schemas …