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Instant Conversion. Zero Latency.
RFC-4180 Compliant

Convert CSV to JSON Online

Turn comma or tab-separated data into formatted JSON objects instantly with zero server uploads.

raw_data.json
Input: Nested JSON
{
  "orders": [
    {
      "id": "ORD-001",
      "customer": {
        "name": "Alex Chen",
        "email": "alex@tech.co"
      },
      "items": ["Laptop", "Mouse"],
      "total": 1299.99
    },
    {
      "id": "ORD-002",
      "customer": {
        "name": "Sarah Jones",
        "email": "sarah@design.io"
      },
      "items": ["Monitor"],
      "total": 349.50
    }
  ]
}
Flattening Nested Objects...
Output: Clean Table
4 Columns Found
IDCustomer NameItemsTotal
ORD-001Alex ChenLaptop, Mouse$1,299.99
ORD-002Sarah JonesMonitor$349.50
Done (0.02s)
No Data Upload
GDPR/HIPAA Compliant
Instant Processing
Free to Use
10,000+
Files Converted
500+
Business Analysts
100%
Private & Secure
1

Trusted by Ops Professionals

Join thousands of ops, support, and admin professionals who trust JsonExport for secure, fast JSON to Excel conversions

Saves 3 hours weekly

“I used to spend 3+ hours every week converting HubSpot JSON exports to Excel for my manager. JsonExport cut that down to 5 minutes. The auto-unescape feature handles our double-encoded data flawlessly.”

SK

Sarah K.

RevOps Manager at Fortune 500 Retail Company

HIPAA compliant

“Privacy was my #1 concern. Other tools required uploading patient data to their servers. JsonExport processes everything client-side, which means we're HIPAA compliant. Absolute game-changer for our team.”

MR

Michael R.

Salesforce Admin at Healthcare Analytics (2,500+ employees)

Auto-unescape magic

“Google Analytics JSON exports used to be a hassle to convert. Other tools either crash or require uploads to their servers. JsonExport's auto-unescape handles our double-encoded data flawlessly. Plus it's completely free!”

JT

Jennifer T.

Marketing Ops Manager at SaaS Startup

No coding required

“Converting Shopify order JSONs with nested line items used to be a nightmare. JsonExport's nested view makes it easy to see relationships, then export to flat Excel for reporting. No Python skills needed.”

DL

David L.

E-commerce Operations Lead at Mid-size Retail (500+ stores)

30 min → 2 min

“We pull Stripe transaction data daily. The timestamp conversion and metadata flattening features save me from writing custom scripts. What used to take 30 minutes now takes 2.”

RM

Rachel M.

Financial Administrator at Fintech Company

Frequently Asked Questions

Everything you need to know about converting JSON to Excel

Absolutely safe! JsonExport processes everything in your browser using JavaScript. Your data never leaves your computer - no uploads, no servers, 100% private.

Why Choose JsonExport for CSV Data

CSV data is the universal standard for spreadsheet exports, but modern applications and APIs require structured JSON. Online upload tools expose your sensitive data to remote servers. JsonExport converts CSV to JSON 100% client-side with automatic delimiter detection and strict type inference.

Auto-detects delimiters: Comma (,), Semicolon (;), Tab (\t), and Pipe (|)
Smart Type Inference: Casts integers, floats, booleans, and nulls automatically
Handles escaped quotes, multiline values, and complex RFC-4180 edge cases
100% Private & Secure: Zero server calls, works completely offline

How to Convert in 3 Simple Steps

1

Input Data

Paste or upload your CSV / TSV file into the editor.

2

Instant Processing

The engine instantly parses columns and infers data types.

3

Export & Share

Click "Convert to JSON" to copy or download your formatted JSON file.

100% Client-Side Privacy

Your files and data are parsed directly in your browser memory. Nothing is ever sent to our servers.

Learn about our security

Frequently Asked Questions

Does this handle semicolon (;) or tab (\t) separated files?

Yes. Our smart parser scans row consistency across multiple delimiters and automatically selects the correct delimiter without requiring manual configuration.

How does it handle multiline text and escaped quotes in CSV?

The parser strictly adheres to RFC-4180 standards. Double quotes and newline characters enclosed within quoted fields are preserved perfectly.

Are numbers and booleans converted or kept as strings?

By default, valid numbers and boolean values (true/false) are cast into real JSON primitives, while identifiers with leading zeros (e.g. zip codes) are safely preserved as strings.

Is there a file size limit for CSV conversion?

Because processing happens entirely in your browser memory, JsonExport smoothly handles files up to 50MB+ without network latency or server timeouts.

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