π How to Use
Free online list to JSON converter. Quickly convert text lists (one item per line) into JSON array or object format. Supports CSV/TSV data, key-value pairs, custom delimiters. Pure frontend.
β‘ Technical Details
All processing is done locally in your browser using pure JavaScript. No data is uploaded to any server, ensuring your privacy and security.
πΌ Use Cases
Developers, writers, and data analysts can use this tool for various text processing needs. It's designed to be simple, fast, and private.
β FAQ
β What input formats are supported?
Three formats: one per line (JSON array), key-value pairs (JSON object), CSV/TSV data (array of objects).
β Can I customize delimiters?
Yes. CSV/TSV mode supports custom field delimiters. Key-value mode supports colon, equals, tab separators.
β Is my data uploaded?
No. All conversion is done in your browser. Your data never leaves your device.
β How are empty lines handled?
Empty lines are automatically skipped. For values with special characters, use CSV mode.
β What is the maximum lines?
Up to 100,000 lines is recommended. For very large datasets, consider batch processing.