toolsko

Choose your language

ToolsKo is written in English. Prefer another language? Open a translated version of this public page.

Browser language suggestion: English. You can choose any language below.

Translation opens in a new tab using Google Translate. It receives this public page URL. Automatic translations may contain mistakes; use the original English page for tool inputs, downloads, and generated documents.

Your choice is remembered on this browser when storage is available. Use Language in the header to change it.

CSV to JSON

Turn CSV (with a header row) into a JSON array.

Tool inputs stay in your browser · optional AI search sends your query

How to use it (step by step)

  1. 1Type or paste your text into the “Input” box. There is already an example in it so you can see how it works; press Clear to start with your own.
  2. 2Choose your settings: “Delimiter”, “Convert numbers”.
  3. 3The answer appears right away in the “Result” box. No button needed.
  4. 4Press Copy and paste the result wherever you need it.

Words to know

CSV export
A simple spreadsheet file (values separated by commas) that apps like Excel, Google Sheets and Meta Business Suite can save and open.
JSON
A common text format apps use to store and send data, made of names and values in { } brackets.
Array / list
An ordered collection of items, like ["apple", "banana"]. Every programming language has one.

More in Developer

String Length & Byte Counter (UTF-8)Count characters, bytes (UTF-8 / UTF-16), code points and SMS parts — useful for database and API limits.HTML to JSX Converter (React)Paste HTML and get React-ready JSX: className, htmlFor, style objects, self-closing tags and camelCase events.Random String & Token GeneratorCreate secure random strings for API keys, tokens, passwords, coupon codes and test data.Nano ID GeneratorGenerate short, URL-safe unique IDs (Nano ID) with your own length and alphabet.ULID Generator & DecoderGenerate ULIDs (sortable unique IDs) or paste one to see the exact date and time it was created.UUID v7 Generator (Time-Ordered) & DecoderGenerate UUID version 7 (sorted by time, better for databases) or decode any UUID’s version and time.