CSV to Array Converter
Convert CSV data to code arrays
Turn CSV data into a ready-to-paste array literal in JavaScript, Python, PHP, or Ruby. Upload or paste the file, choose the language and the shape you want, and copy a declaration straight into your source.
Each language gets its own syntax rather than a JSON blob with the extension changed. Python receives None and True/False, PHP uses its array syntax with arrows, Ruby uses hash rockets or symbols as appropriate, and JavaScript gets object or nested array literals. Strings are escaped for the target language so quotes inside values do not break the declaration.
This is the fastest way to get a fixture, a lookup table, or a seed list out of a spreadsheet and into code — much quicker than reading a file at runtime when the data is small, static, and belongs in the repository.
Drop your file here or browse from your device
Accepts CSV, TSV, TXT. Maximum input: 10 MiB. Files above this hard limit are rejected before local processing.
How to Convert
- Upload your CSV file or paste CSV data
- Choose the target language and whether you want objects or nested arrays
- Set the variable name for the declaration
- Copy the generated code into your project
Features
- Four target languages: JavaScript, Python, PHP, and Ruby
- Array of objects or array of arrays output
- Language-correct null and boolean literals (None, True, null, nil)
- Escapes quotes and special characters for the target language
- Custom variable name for the generated declaration
- Copy to clipboard or download the snippet
- Runs entirely in your browser — no upload
Use Cases
- Create test fixtures from a spreadsheet of sample records
- Embed a small static lookup table directly in source code
- Seed a demo or prototype with realistic data
- Convert a reference table into a constant your code can import
- Move a config table maintained in a spreadsheet into an application
Frequently Asked Questions
Which languages are supported?
JavaScript, Python, PHP, and Ruby. Each uses its own array and string syntax rather than one generic format.
What is the difference between array of objects and array of arrays?
An array of objects keys every value by its column header, which is readable and safe when columns move. An array of arrays keeps the raw grid and is more compact when the column order is fixed and known.
How are empty cells and booleans written?
With the literal each language expects. An empty value becomes None in Python and null in JavaScript, and true/false becomes True/False in Python while staying lowercase in JavaScript.
What happens to quotes inside my data?
They are escaped for the target language, so a value containing an apostrophe or a double quote produces a declaration that still parses.
Should I embed data in code or read the CSV at runtime?
Embed it when the data is small, static, and belongs under version control — configuration, lookups, fixtures. Read the file at runtime when it is large or changes independently of releases.
Is my data uploaded?
No. The conversion runs in your browser and the file contents are not sent to the app server.