📚 Help Center
Last Updated: April 1, 2026
Step-by-step guides for all our free tools. Click a guide to get started.
How to View and Explore CSV Files
Open and browse CSV files in your browser without Excel.
How to Convert CSV to JSON
Transform CSV data into JSON format for APIs and web apps.
How to Format and Validate JSON
Beautify messy JSON and check for syntax errors.
How to Analyze Data with AI
Upload CSV data and get instant AI-powered insights and visualizations.
Getting Started with Data Tools
A guide to using our free online data conversion and analysis tools.
Frequently Asked Questions
Is CSV-X free to use?
Yes, all CSV and data tools are completely free with no account needed.
What file formats can I convert to/from CSV?
We support CSV, JSON, XML, Excel (XLSX), TSV, and SQL formats.
Is there a row limit for CSV files?
We support CSV files with up to 1 million rows.
Is my data kept private?
All data is processed in your browser or deleted from our servers immediately after processing.
Can I use this for large datasets?
Yes, our tools are optimized for large files and high-volume data processing.
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Why Choose This Tool
Files processed in your browser. Nothing uploaded.
AI-powered processing in seconds, not minutes.
No hidden fees, no signup, no limits.
Any device, any browser. No installation needed.
How It Works
Upload
Drop your file or paste content into the input area
Process
Click the button and let AI do the heavy lifting
Download
Get your result instantly, ready to use
User Reviews
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