📊 Spreadsheet to JSON Converter

Upload your CSV or Excel file to add a JSON column with all row data

📁

Click to upload or drag and drop

Supports CSV and Excel files (.csv, .xlsx, .xls)

Preview (First 10 rows)

Automate Content at Scale with CapGo.AI via This Tool

Transform your spreadsheet data into powerful programmatic SEO content with CapGo.AI. Our platform takes your JSON-formatted data and automatically generates hundreds or thousands of optimized web pages, perfect for scaling your content strategy.

📊 Data-Driven Content

Convert your spreadsheets to JSON format, then use CapGo.AI to generate unique, SEO-optimized pages for each data row.

🎯 Programmatic SEO

Create thousands of landing pages automatically targeting long-tail keywords and niche topics at scale.

🤖 AI-Powered Writing

Leverage advanced AI to generate high-quality, unique content for each page based on your data variables.

⚡ Instant Deployment

Generate and publish hundreds of pages in minutes, not months. Perfect for marketplace listings, directories, and location pages.

Workflow Example: Upload your product catalog or location data → Convert to JSON → Import to CapGo.AI → Generate optimized pages → Deploy to your website. It's that simple.

Start Automating with CapGo.AI →

How It Works

Upload Your File

Click the upload area or drag and drop your CSV or Excel file (.csv, .xlsx, .xls)

Automatic Processing

The tool reads your spreadsheet and creates a JSON object for each row containing all column values

Preview Results

Review the first 10 rows to see how your data looks with the new JSON column added

Download CSV

Click the convert button to download your updated spreadsheet as a CSV file with all original columns plus the new JSON column

Example Transformation

Before:


name, weight, height
emily, 100, 180
kate, 100, 170

→

After:

name, weight, height, JSON
emily, 100, 180, {"name":"emily","weight":"100","height":"180"}
kate, 100, 170, {"name":"kate","weight":"100","height":"170"}

Frequently Asked Questions

What file formats are supported?

This tool supports CSV (.csv), Excel (.xlsx), and older Excel (.xls) files. Simply upload your file and it will be automatically processed.

How does the JSON conversion work?

The tool reads each row of your spreadsheet and creates a JSON object containing all column values. Each key-value pair represents a column name and its corresponding cell value. The JSON is added as a new column in your output file.

Is my data secure?

Yes! All processing happens entirely in your browser. Your data never leaves your computer and is not uploaded to any server. The tool works completely offline once the page is loaded.

Can I use this for programmatic SEO?

Absolutely! This tool is perfect for preparing data for programmatic SEO. Convert your spreadsheet to JSON format, then use CapGo.AI to automatically generate hundreds or thousands of SEO-optimized web pages from your data.

What's the maximum file size I can upload?

Since processing happens in your browser, the limit depends on your device's memory. Most modern browsers can handle files with tens of thousands of rows without issues. For extremely large datasets (100,000+ rows), performance may vary.

Can I convert JSON back to a spreadsheet?

Yes! Check out our JSON to Spreadsheet tool in the navigation menu above. It allows you to upload JSON data and convert it back to a CSV or Excel format.

How do I use the output with CapGo.AI?

After downloading your CSV with the JSON column, you can import it into CapGo.AI's content automation platform. CapGo.AI will use the JSON data to automatically generate unique, SEO-optimized content for each row in your spreadsheet.