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Convert to snake_case
Convert text to snake_case: lowercase words joined by underscores, as in user_first_name. Paste your words and the result appears as you type. Free, runs in your browser, nothing is uploaded.
How to convert text to snake_case
- 1Paste or type your words, one phrase per line
- 2Read the snake_case result below
- 3Copy it with the copy button
- Lowercase words joined with underscores.
What you get
- One result per line.Each input line is converted on its own, so a whole list works.
- Runs as you type.The output updates with every key, no button needed.
- Nothing is uploaded.Your text is converted in your browser and never sent anywhere.
What you can do
- Lowercases everything and puts an underscore between words: "Order Total Price" becomes order_total_price.
- Converts every line separately, handy for turning a column of labels into database column names.
- Keeps digits and letters from any alphabet, so "Größe 2" gives größe_2.
Good to know
- Words are found by splitting on anything that is not a letter or digit, so punctuation is dropped. A name that already has capitals, like myVariable, is not split at them.
- Accents are kept, so check your database or language accepts them.
Questions
What is snake_case used for?
For variable and function names in Python and Ruby, and for column and table names in many databases.
How is it different from kebab-case?
snake_case joins words with underscores, kebab-case with hyphens. Hyphens are not allowed in most variable names, underscores are.
Does it keep capitals?
No. All letters become lowercase. For capitals with underscores use CONSTANT_CASE.
Is my text sent to a server?
No. The conversion runs in your browser on your device. Your text is not uploaded or stored.