Tool Categories
Browse our collection of 45 free tools
Favorite Tools
No favorite tools yet. Use the heart button on any tool to add it to your favorites.
CSV to JSON Converter
Advanced CSV to JSON converter with data transformation, import/export capabilities, column mapping, filtering, validation, and custom formatting options.
CSV to JSON Converter
CSV Input
JSON Output
Frequently Asked Questions
What CSV formats are supported?
The tool supports standard CSV files with customizable delimiters (comma, semicolon, tab, pipe), quote characters, and escape characters. It handles both header and headerless CSV files.
Can I map CSV columns to specific JSON properties?
Yes, you can rename columns, map them to nested JSON properties, exclude unwanted columns, and apply data transformations during the conversion process.
What validation features are available?
The tool includes data type validation, required field checking, format validation (email, URL, date), and custom validation rules to ensure data quality.
Can I create nested JSON structures?
Yes, you can map CSV columns to nested JSON objects using dot notation (e.g., 'user.name', 'address.city') and create complex hierarchical structures.
What export options are available?
You can export as formatted JSON, minified JSON, JSON Lines (JSONL), or copy to clipboard. The tool also supports batch processing for large files.
How large CSV files can I process?
The tool can handle large CSV files efficiently with streaming processing and pagination. For very large files, it processes data in chunks to maintain browser performance.
Related Tools
Advanced SVG Blob Generator
Create unique organic SVG blob shapes with real-time preview and code generation. Perfect for modern web design, backgrounds, and UI elements.
Base64 Encoder/Decoder
Advanced Base64 encoder and decoder with file support, URL-safe encoding, validation, and developer features. Essential tool for developers.
JSON Formatter & Validator
Format, validate, minify and beautify JSON data online. Parse JSON strings and fix formatting errors instantly.
Markdown to HTML Converter
Convert Markdown to HTML with live preview, custom themes, and styling. Export clean HTML or styled documents instantly.