Loading...
Loading...
Free online list format converter for developers and data analysts. Convert between CSV, JSON, one-per-line, and other popular list formats instantly.
Converts lists between multiple formats: one-per-line, CSV, numbered, bulleted, JSON array, and comma-separated. Select the source format and target format, and the list is instantly converted.
Lists come in many formats across different tools and contexts. Manually reformatting a list from one style to another is tedious and error-prone, especially for long lists.
Developers migrating data between formats, content creators reformatting lists for different platforms, and anyone who regularly works with structured lists.
Select the source format of your input list using the From dropdown
Select the desired output format using the To dropdown
Paste or type your list into the input area
The converted list appears instantly in the output area
Click Copy to copy the result to your clipboard
One-per-line (apple, banana, cherry) → JSON array: ["apple", "banana", "cherry"]CSV (apple, banana, cherry) → Numbered: 1. apple\n2. banana\n3. cherryJSON array ["a", "b", "c"] → Bulleted: - a\n- b\n- cYes, select JSON Array as From and CSV as To.
No, only flat lists of simple strings are supported.
Empty lines are automatically filtered out from the output.
Free online JSON to CSV converter with advanced formatting options. Transform JSON arrays into spreadsheet-ready CSV files with customizable delimiters.
Free CSV to JSON converter tool for developers. Parse and convert CSV data to structured JSON format with advanced parsing and formatting options.
Free JSON to TypeScript converter tool. Automatically generate TypeScript interfaces, types, and type definitions from sample JSON data.
Free Unix timestamp converter for developers. Convert Unix timestamps to human-readable dates and back with timezone support and multiple formats.
Free online JSON formatter and validator with syntax highlighting. Beautify, validate, and minify JSON data instantly with real-time error detection.
Free online Base64 encoder and decoder tool for developers. Instantly convert text and files to Base64 format and decode Base64 strings back to readable text.
Free online JWT decoder and analyzer for developers. Inspect JSON Web Token headers, payloads, and signatures with detailed breakdown and validation.
Dive deeper with our comprehensive guides and tutorials.