CSV to JSON Converter

hipersoft/csv-to-json

Convert CSV to clean JSON (and JSON back to CSV) with delimiter detection, header handling and automatic type inference for numbers, booleans and dates. Ready for APIs, no-code tools and pipelines.

Run this scraper →See the API call

Total users

Monthly users

Total runs

Per file converted

$0.01

Last rebuilt

Oct 26, 2026

Overview

Convert CSV to clean JSON — or JSON back to CSV — in bulk. Automatic delimiter handling, header detection and type inference for numbers, booleans and dates, so the output is ready for APIs, no-code tools, spreadsheets and data pipelines. Paste your data or point to a file URL.

CSV to JSON Converter input — configure the options in the Apify Console

What it does

CSV → JSON: parse CSV into a clean JSON array, with optional type inference.
JSON → CSV: flatten a JSON array into a CSV file.
Handles custom delimiters, headers and large files.

Use cases

API integration — turn CSV exports into JSON to POST to an API.
No-code tools — get data into the shape a tool expects.
Spreadsheets — convert JSON back to CSV for Excel/Sheets.

Input

{ "mode": "csv-to-json", "csvText": "name,age,active\nAda,36,true\nAlan,41,false", "header": true, "dynamicTyping": true }

Field	Type	Description
`mode`	string	`csv-to-json` or `json-to-csv`.
`csvText`	string	CSV to convert (or use `fileUrl`).
`jsonText`	string	JSON array to convert (for JSON → CSV).
`fileUrl`	string	Optional file URL instead of pasting.
`delimiter`	string	Column delimiter (auto-detected if blank).
`header`	boolean	First CSV row is a header.
`dynamicTyping`	boolean	Infer numbers/booleans (CSV → JSON).

Output

CSV to JSON Converter output — the results as a clean dataset

A summary row, plus the full converted file at result.json / result.csv in your key-value store.

{ "rows": 2, "columns": 3, "resultUrl": "https://api.apify.com/v2/key-value-stores/.../records/result.json" }

Output schema

Field	Type	Description
`rows`	integer	Number of rows converted.
`columns`	integer	Number of columns.
`resultUrl`	string (URL)	Link to the converted file.

FAQ

Where's the converted data? In the result.json / result.csv file in the run's key-value store.

Can I automate it? Yes — via integrations on the Apify platform and the Apify API.

Notes

Original clean-room implementation.

Input

Field	Type	Description
`mode` Direction	string · csv-to-json, json-to-csv	Which way to convert. Default: `"csv-to-json"`
`csvText` CSV	string	Paste CSV here (for CSV → JSON). Leave empty to use a file URL.
`jsonText` JSON	string	Paste a JSON array here (for JSON → CSV). Leave empty to use a file URL.
`fileUrl` File URL	string	Optional link to a CSV or JSON file to convert instead of pasting.
`delimiter` Delimiter	string	Column delimiter (leave blank to auto-detect for CSV, defaults to comma for output).
`header` First row is a header	boolean	Treat the first CSV row as column names. Default: `true`
`dynamicTyping` Infer types	boolean	Convert numbers and booleans automatically (CSV → JSON). Default: `true`

API

curl -X POST "https://api.apify.com/v2/acts/hipersoft~csv-to-json/run-sync-get-dataset-items?token=$APIFY_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "csvText": "name,age,active\nAda,36,true\nAlan,41,false"
}'

from apify_client import ApifyClient

client = ApifyClient("YOUR_APIFY_TOKEN")
run = client.actor("hipersoft/csv-to-json").call(run_input={
    "csvText": "name,age,active\nAda,36,True\nAlan,41,False"
})

for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(item)

import { ApifyClient } from 'apify-client';

const client = new ApifyClient({ token: 'YOUR_APIFY_TOKEN' });
const run = await client.actor('hipersoft/csv-to-json').call({
  "csvText": "name,age,active\nAda,36,true\nAlan,41,false"
});

const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);

Pricing

Event	Price	Paid plans from
File converted One CSV/JSON file converted and saved to your storage	$0.01	$0.005

You pay only for what the run returns. Set a maximum cost per run and it stops cleanly at that limit.

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