All Online CSV Tools
Browse our complete collection of private, browser-side CSV converters, cleaners, sorters, and viewers.
View & Edit
Convert
CSV to JSON
Convert CSV data into formatted JSON objects or nested array structures.
JSON to CSV
Convert JSON array objects into CSV tables with customizable delimiters.
CSV to Excel
Convert CSV files into Microsoft Excel spreadsheets (.xlsx format).
Excel to CSV
Extract worksheets from Excel files (.xlsx, .xls) and convert them to CSV.
CSV to TSV
Convert comma-separated CSV files into tab-separated TSV files.
TSV to CSV
Convert tab-separated TSV data into standard comma-separated CSV format.
CSV to Markdown
Generate Markdown tables from CSV data for GitHub, Notion, or documentation.
CSV to HTML Table
Convert CSV data into semantic HTML <table> markup for web development.
CSV to SQL
Generate SQL INSERT statements or CREATE TABLE statements from CSV files.
Clean CSV
Remove Duplicates from CSV
Find and remove duplicate rows from CSV files based on specific columns.
Remove Empty Rows
Delete blank rows and whitespace-only lines from CSV datasets.
Trim CSV Whitespace
Trim leading and trailing spaces from CSV cell values.
Find and Replace CSV
Search for text patterns and replace values across all or selected columns.
Transform CSV
Sort CSV
Sort CSV rows alphabetically, numerically, or by date by any column.
Filter CSV
Filter CSV rows based on custom conditions, keywords, or numeric ranges.
Merge CSV Files
Combine multiple CSV files into one unified master dataset.
Split CSV
Divide large CSV files into smaller files by row count or file count.
Select CSV Columns
Extract, reorder, or delete specific columns from CSV files.