How to convert string to camel and snake case in Elixir

Article autor
September 9, 2025
How to convert string to camel and snake case in Elixir
Elixir Newsletter
Join Elixir newsletter

Subscribe to receive Elixir news to your inbox every two weeks.

Oops! Something went wrong while submitting the form.
Elixir Newsletter
Expand your skills

Download free e-books, watch expert tech talks, and explore open-source projects. Everything you need to grow as a developer - completely free.

Table of contents

Sooner or later you may need to convert a string in Elixir to a camel or snake case. With Macro module (available in Elixir without extra dependency) it's super easy.

Converting into snake case

> Macro.underscore("ThisWillBeSnakeCase")
"this_will_be_snake_case"

Converting into camel case

> Macro.camelize("this_will_be_camel_case")
"ThisWillBeCamelCase"

Related posts

Dive deeper into this topic with these related posts

No items found.

You might also like

Discover more content from this category

How to create and use custom shell commands?

Each of us had a situation, where we had to invoke a few, same commands each time. Making it once is not that problematic, but when we are supposed to repeat given operations, it may be better just to create one function that will handle it all.

How to check if an Elixir map has a given key in a guard?

Today's Advent of Code puzzle inspired me to create this TIL. It may sound trivial, but in fact, it's tricky if you are unfamiliar with the nuances of guards' functioning.

How to revert commit in Git

Did you ever create a commit that you wish never happened? Let's be honest - we all did. There is an easy way to revert it in Git.