Changelog
What's new on CSV Tools.
April 27, 2026
- Added 3 transform-data tools: Transpose CSV (swaps rows and columns, with padding for ragged inputs), Extract Date Parts (auto-detects the date format, then appends year/month/day integer columns), and One-Hot Encode Column (with a hard cap on high-cardinality columns to keep your browser tab safe)
March 26, 2026
- Added CSV Viewer with sortable columns, row numbers, and column letter headers
- Added 3 compare-files tools: Compare Files (line-level diff), Find Missing Rows, and Find Common Rows
- Added 3 manipulation tools: Merge CSVs, Split CSV (by row count, file size, or file count), and Split by Column Value with ZIP download
- Added Sample Data section with 10 curated datasets (employees, products, orders, bank statements, and more) — each with schema docs, sortable viewer, and copy/download
March 22, 2026
- Added 12 clean-data tools: Trim Whitespace, Remove Empty Rows, Find and Replace, Fill Missing Values, Change Header Case, Add Header Row, Remove Header Row, Remove HTML Tags, Remove Comments, Remove Whitespace, Compress CSV, and CSV Validator
- Added 12 analyze data tools
- Added CSV Converter landing page with searchable converter directory
March 18, 2026
- Added 12 column operation tools: Add Column, Remove Columns, Rename Columns, Reorder Columns, Extract Columns, Swap Columns, Duplicate Column, Split Column, Merge Columns, Uppercase Column, Lowercase Column, and Map Column Values
- Added Redact Columns and Anonymize Columns privacy tools
March 17, 2026
- Added CSV to Excel and Excel to CSV converters
- Added Parquet to CSV and Feather to CSV converters
- Added CSV to LaTeX converter
- Added 8 reverse format converters: JSON, XML, YAML, TSV, HTML, Markdown, JSONL, and Fixed-Width to CSV
- Added Extract Emails, Extract Phone Numbers, and Extract URLs tools
- Added personal finance converters: CSV to Xero, CSV to QIF, CSV to OFX, CSV to QBO, CSV to QFX, OFX to CSV, QIF to CSV, QBO to CSV, and QFX to CSV
- Added sample data to all tools
March 16, 2026
- Added 8 row operation tools: Sort Rows, Filter Rows, Remove Duplicates, Sample Rows, First N Rows, Last N Rows, Reverse Rows, and Shuffle Rows
March 14, 2026
- Added SEO meta tags, OpenGraph cards, favicons, and site logo
- Added sitemap and robots.txt
February 26, 2026
- Added CSV to YNAB converter with column mapping
- Added CSV to SQL, CSV to YAML, CSV to Markdown, CSV to TSV, CSV to HTML, CSV to JSONL, and CSV to Fixed-Width converters
February 25, 2026
- Added CSV to XML converter
- Added CSV to JSON converter
- Launched csvtools.com with homepage and initial tool infrastructure