CSV Tools – Small Tools. Big Help.
Welcome to SmallToolsOnline.com — your go-to toolkit for working with CSV files quickly and efficiently. Our collection of smart browser-based CSV tools helps you convert, clean, edit, and analyze CSV data instantly — all without installing any software or sending your files anywhere.
From simple CSV to JSON converters and CSV formatters to advanced CSV splitters, mergers, and data analyzers, every tool runs directly in your browser using fast JavaScript processing.
Whether you're a developer managing datasets, an analyst transforming data, or a student organizing spreadsheets — Small Tools Online helps you do it faster, smarter, and safer.
All CSV Tools
Quickly convert a CSV file into JSON format.
Convert structured JSON data into CSV files.
Transform CSV data into well-formed XML format.
Convert XML data into CSV format for spreadsheets.
Turn CSV data into YAML format for config files.
Convert YAML back into CSV format.
Convert comma-delimited CSV into tab-delimited TSV.
Convert tab-separated values into CSV format.
Switch the column delimiter in CSV files (comma, semicolon, etc.).
Export one or more columns from a CSV file.
Insert one or more new columns at the start of a CSV file.
Add one or more columns at the end of a CSV file.
Insert new columns at any position in a CSV file.
Remove one or more columns from a CSV file.
Swap positions of two columns in a CSV file.
Flip CSV so columns become rows and rows become columns.
Sort data inside one or more CSV columns.
Check CSV file for format errors and consistency.
Remove double-quotes from all CSV fields.
Wrap all CSV fields in double-quotes.