CSVtoAny is a free online file converter that transforms CSV, Excel, JSON, XML, SQL, and other data formats into one another, entirely within your browser for maximum privacy.
What is CSVtoAny?
CSVtoAny is a browser-based data conversion tool that accepts input files such as CSV, Excel (.xlsx), JSON, XML, SQL, TXT, TSV, VCard, and more, and outputs them in any of the supported formats. It runs completely client-side using JavaScript, so no files ever leave your device. The service is free to use with no account required, and is maintained by an independent developer.
Key Features
- Universal Conversion — Convert between 20+ formats including CSV, Excel, JSON, PDF, SQL, XML, VCard, Markdown, and HTML tables.
- 100% Client-Side Processing — All data stays in your browser; nothing is uploaded to any server.
- Custom Delimiters — Supports comma, tab, semicolon, pipe, and user-defined separators for CSV parsing.
- Smart List Reorganization — Automatically reformats pasted list data into structured tables.
- No Installation — Works on any modern browser (Windows, Mac, Linux) without downloads or plugins.
- Large File Support — Handles files as large as your computer's memory allows.
- Multi-Language UI — Available in English, Spanish, French, Chinese, and several other languages.
Who is it for?
- Data analysts who need to quickly convert CSV exports from databases into Excel for reporting or JSON for API integration.
- Developers who work with structured data and require on-the-fly conversion between JSON, CSV, and SQL without local tooling.
- Office workers who receive CSV files from legacy systems and need to open them in Excel or convert them to PDF for sharing.
- Anyone handling contact files — convert VCard (.vcf) to CSV for mail merge or import to CRM tools.
What can you do with CSVtoAny?
- Import CSV into Excel — Convert CSV to .xlsx while preserving data structure, then edit in Excel.
- Export Excel to CSV — Turn .xlsx spreadsheets into plain-text CSV for database imports or legacy systems.
- Convert JSON to CSV — Flatten nested JSON objects or keep them as strings, then export to CSV for spreadsheet analysis.
- Generate PDF from CSV — Create a professional PDF document directly from tabular CSV data for sharing or printing.
FAQ
Is CSVtoAny free?
Yes, all conversions are completely free with no usage limits or watermarks.
Is my data safe?
Absolutely. Because all processing happens locally in your browser, your files are never sent to any server. This makes it suitable for sensitive data.
What file formats are supported?
CSVtoAny supports CSV, Excel (.xlsx), JSON, XML, SQL, TXT, TSV, VCard, Markdown, PDF, and HTML tables — over 20 formats in total.
Can I convert large files?
Yes. Since processing is local, the limit is your computer's available memory. Files up to several gigabytes are possible.
How does nested JSON conversion work?
When converting JSON to CSV, nested objects are either flattened into multiple columns or stored as JSON strings within a single cell, preserving the full data structure.
