Online CSV Tools
Online CSV Tools is the CSV-specific arm of the OnlineTools.com family with 30+ tools for converting, encoding, manipulating columns, and validating CSV files.
Developer Tools(19)
Add CSV Quotes
Wraps all CSV fields in double quotes.
Append CSV Column
Adds a new column at the end of a CSV file.
CSV Columns to Rows
Transposes CSV columns into rows.
CSV Rows to Columns
Transposes CSV rows into columns.
Change CSV Delimiter
Swaps the column separator (comma → tab, semicolon, pipe, etc.).
Change CSV Quote Character
Swaps the field-quoting character to a different one.
Delete CSV Column
Removes a column from a CSV file.
Extract CSV Column
Pulls specific columns out of a CSV file.
Fill Incomplete CSV Records
Replaces missing CSV values with chosen placeholder data.
Find Incomplete CSV Records
Identifies rows in a CSV that have missing values.
Insert CSV Column
Inserts a column at a chosen position in a CSV file.
Prepend CSV Column
Adds a new column at the start of a CSV file.
Remove CSV Quotes
Strips double-quote characters from all CSV fields.
Replace CSV Column
Substitutes a column with new values.
Sort CSV Columns
Sorts rows by the values in one or more CSV columns.
Swap CSV Columns
Exchanges the positions of two CSV columns.
Transpose CSV
Flips rows and columns of a CSV table.
Trim CSV Columns
Removes leading and trailing whitespace from CSV values.
Truncate CSV Columns
Shortens values in chosen CSV columns to a maximum length.
Data Format Converters(10)
CSV to JSON
Converts CSV files into JSON arrays of objects.
CSV to TSV
Converts comma-separated values into tab-separated values.
CSV to Text Columns
Converts CSV into aligned plain-text columns.
CSV to XML
Converts CSV data into XML using a template.
CSV to YAML
Converts CSV data into YAML.
JSON to CSV
Converts JSON arrays into CSV with automatic column detection.
TSV to CSV
Converts tab-separated values into CSV.
Text Columns to CSV
Converts aligned text columns into CSV format.
XML to CSV
Converts XML data into CSV.
YAML to CSV
Converts YAML data into CSV.