CSV / Excel

Convert CSV spreadsheets to JSON with type inference and table preview.

View CSV files in a fast spreadsheet-style grid with virtual scrolling.

Validate CSV structure, delimiters, headers, and row consistency.

Normalize and beautify CSV with consistent quoting and delimiters.

Transform CSV data into XML documents.

Convert Excel spreadsheets to JSON in the browser.

Compare two CSV files with row and column-aware diff.

Merge two CSV files by key column or append rows.

Compress CSV by trimming whitespace and empty rows.

Convert CSV to Excel (.xlsx) with UTF-8 support.

Export Excel sheets to CSV with delimiter options.

Convert CSV rows to YAML configuration format.

Convert between tab-separated and comma-separated values.

Fix broken quotes, ragged rows, and blank lines in CSV files.

Add or remove UTF-8 BOM for Excel-compatible CSV exports.

Detect formula injection risks (=, +, @) before opening in Excel.