You can access the Data Converter and Transformer programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {};
11
12// Run the Actor and wait for it to finish
13const run = await client.actor("tropical_quince/data-converter-transformer").call(input);
14
15// Fetch and print Actor results from the run's dataset (if any)
16console.log('Results from dataset');
17console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
18const { items } = await client.dataset(run.defaultDatasetId).listItems();
19items.forEach((item) => {
20    console.dir(item);
21});
22
23// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Data Converter - JSON CSV XML YAML Transformer API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Data Converter and Transformer API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

Data Converter and Transformer API in Python

Data Converter and Transformer API through CLI

Data Converter and Transformer OpenAPI definition

Data Converter and Transformer API

YAML to JSON Converter

eloquent_mountain/yaml-to-json-converter

YAML to JSON Converter Seamlessly transform YAML files into JSON format using this Apify actor. Ideal for handling intricate YAML structures, it accepts inputs via URL or direct text paste. Perfect for developers and data analysts looking to integrate YAML data into JSON-based applications.

Paco

JSON To YAML Converter

zsoftware/json-to-yaml-converter

JSON to YAML Converter: This Apify Actor takes a JSON file or raw string input, transforms it into a validated YAML document, and outputs a downloadable output.yaml file. Lightweight, fast, and easy to integrate into any workflow.

Karim

XML to JSON Converter

eloquent_mountain/xml-to-json-converter

XML to JSON Converter Convert any XML file to JSON effortlessly with this Apify actor. Handle complex XML structures and transform them into structured JSON data. Supports input via URL or direct text paste, making it easy to integrate into your data processing workflows.

Paco

File Converter All-in-one

tufantoksoz/file-converter

Convert files between popular formats at scale on Apify. Transform documents, spreadsheets, and images with professional-grade quality and performance. Convert word to pdf, jpeg to png and more

Tufan Toksöz

CSV to JSON Converter

tropical_quince/csv-to-json-converter

Convert CSV data to JSON format. Supports headers, custom delimiters, and data type inference. Process CSV files or paste data directly.

Donny Nguyen

JSON to CSV Converter

eloquent_mountain/json-to-csv-converter

JSON to CSV Converter. Effortlessly transform JSON data into CSV with our Apify actor. Handle nested structures, expand lists into rows, and customize separators and delimiters. Input via URL or paste JSON text. Ideal for data analysis and reporting!

Paco

Image Converter

tufantoksoz/image-converter

Convert images between different formats quickly and easily. Transform PNG to JPG, JPG to WebP, or any supported format with optional resizing and quality control.

Tufan Toksöz

JSON To XML Converter

zsoftware/json-to-xml-converter

Easily convert structured JSON data into well-formed XML. This actor accepts raw JSON text or a file and outputs clean, standards-compliant XML—perfect for data transformation pipelines, integrations, or legacy system compatibility.

Karim

Polars AI Data Transformer

salesmart-srl/polars-ai-data-transformer

Transform datasets using natural language. Upload CSV/Excel/JSON, describe your transformation in plain English, get results + reusable Python code. Powered by AI.

Salesmart Srl

Image Format Converter

rixin/image-format-converter

From $0.05/1k images. Image Format Converter - Transform images between JPEG, PNG, WebP, BMP, GIF, TIFF, ICO, and AVIF formats. Supports batch processing with adjustable quality settings. Input any URL or Apify storage file. Fast and reliable.