CSV to JSON Converter
Institutional CSV parsing engine with RFC 4180 quotation handling, automatic delimiter detection, deep dot unflattening, and multiple output structures.
Direct Answer & Pipeline Overview
CSV to JSON Converter is a specialized, 100% client-side engineering utility developed by Atlyxen Studios. It processes calculations and conversions directly inside your browser memory using hardware-accelerated WebAssembly and WebGL, guaranteeing instant results with zero server file transfers and zero data retention.
How to Use the CSV to JSON Converter
Paste or Upload CSV
Insert raw CSV spreadsheet data or upload a local .csv, .tsv, or .txt file.
Select Output Structure
Choose between standard Array of Objects, 2D Array of Arrays, or Keyed Object dictionary.
Configure Formatting
Toggle Parse Types to cast numbers and booleans, or enable Unflatten Dots for nested structures.
Copy or Download JSON
Click Copy JSON or download the dataset as a formatted .json file.
Key Technical Capabilities
Full RFC 4180 compliance supporting multiline quotes and escaped double quotation marks
Automatic delimiter detection for comma, semicolon, tab, and pipe characters
Multiple output structures including Array of Objects, 2D Arrays, Keyed Dictionaries, and Column Arrays
Deep dot-notated unflattening (e.g., user.profile.name maps to nested objects)
Smart type coercion for integers, floating-point decimals, and boolean true/false values
100% private in-browser memory execution with zero cloud storage or server logging
Frequently Asked Questions
Does this converter handle commas inside quoted cells?
Yes. The parser strictly implements the RFC 4180 specification, so cells wrapped in double quotes can contain commas, tabs, and line breaks without breaking column alignment.
What is deep dot unflattening?
If your CSV headers include dot-notated keys (such as user.contact.phone), enabling Unflatten Dots converts them into hierarchically structured nested JavaScript objects.
Can I export minified JSON?
Yes, you can choose between 2-space indentation, 4-space indentation, or 0-space minified JSON for minimal file size.
Are my spreadsheet rows private?
Yes, 100% of the CSV tokenization and JSON serialization executes locally in your browser memory.