Spreadsheet Tools
XLSX to CSV Node.js Overview
Convert Microsoft Excel spreadsheets (XLS/XLSX) to CSV for data processing, analysis, and system integration. Select specific worksheets by name, index range, or export the active sheet. Supports password-protected workbooks. Produces clean, comma-delimited output optimized for data pipelines, database imports, and analytics tools. Ideal for automated data extraction and ETL workflows.
Lightning Fast Conversions
Process and convert files in seconds with our high-performance cloud infrastructure.
Accuracy Guaranteed
Our advanced algorithms ensure pixel-perfect and content-accurate file conversions.
Enterprise-Grade Security
ISO 27001, HIPAA, and GDPR compliant with encrypted file processing.
Global Infrastructure
Strategically located servers ensure low latency and high availability worldwide.
Developer Friendly
Comprehensive SDKs and clear documentation for quick and simple integration.
Time-Saving Automation
Automate repetitive document workflows and focus on what matters most.
Customizable Parameters
Fine-tune your automation with these powerful conversion options
File
File Supported formats: .xls .xlsxFile to be converted. Value can be URL or file content.
Password
StringSets the password to open protected documents.
WorksheetActive
Bool Default: FalseSet to convert active worksheet. If value is set False all worksheet will be converted.
WorksheetIndex
StringSet one or several worksheet indexes(number) separated by comma to convert. If value is not set all worksheet will be converted.
WorksheetName
StringSet one or several worksheet names separated by comma to convert. If value is not set all worksheet will be converted.
StoreFile
Bool Default: FalseWhen the StoreFile parameter is set to True, your converted file is written to ConvertAPI’s encrypted, temporary storage and made available via a time-limited secure download URL, valid for up to 3 hours. After this period, the file is permanently deleted.
When StoreFile is set to False, conversion happens entirely in-memory. The raw file bytes are streamed back in the API response without touching disk or external storage, ensuring maximum security and zero persistence so that only you can access the content.
Step-by-Step Guide
Easy XLSX to CSV integration programmatically using our simple npm package for Node.js
1. ConvertAPI Node.js library install
ConvertAPI provides a Node.js library that allows you to perform a XLSX to CSV conversion with just a few lines of code.
First, install our convertapi library from npm:
NPM package >
npm install convertapi --save
2. Authenticate your Node.js library
You can obtain your API Token by signing up for a free account. Once you sign up, you'll receive 250 free conversions instantly! Grab your API Token from the account dashboard, and authenticate the ConvertAPI Node.js library like this:
// get your API Token here: https://www.convertapi.com/a/auth
var convertapi = require('convertapi')('api_token');
Or using ES modules:
import ConvertAPI from 'convertapi';
const convertapi = new ConvertAPI('api_token');
3. Convert XLSX to CSV using Node.js in no time!
Once you have your authentication in place, simply copy-paste this xlsx to csv conversion code snippet into your Node.js project:
Integrate within minutes
Easy XLSX to CSV automation using our simple Node.js SDK
Compatible With all NodeJS Frameworks & Tools
Businesses trust us
Highest rated File Conversion API on major B2B software listing platforms: Capterra, G2, and Trustpilot.
"ConvertAPI has been a game-changer for our document automation workflows. Their conversion accuracy and API reliability are unmatched in the industry for over 7 years."
"ConvertAPI is a reliable, cost-effective solution with a proven track record of stability. It has grown significantly in maturity, adopting enterprise-grade practices over the years."
"We've integrated ConvertAPI across our entire document processing platform. The performance is exceptional and the support team is always responsive. Highly recommended!"
Enterprise-Grade Security
We ensure that all document processing is handled securely in the cloud, adhering to industry-leading standards like ISO 27001, GDPR, and HIPAA. To enhance security even further, we can ensure that no files or data are stored on our servers and never leave your country.
Learn more about security