Spreadsheet & CSV Toolkit

Convert, split, clean, validate, filter, and compress CSV and Excel files.

Convert CSV spreadsheets into clean, structured JSON arrays with custom delimiter and type detection.

Instantly deduplicate lists, CSV rows, and text strings with case-sensitive and trimmed matching.

Strip empty lines, blank rows, and whitespace-only padding from spreadsheets and text files.

Split massive CSV files and spreadsheets into smaller chunks of N rows while retaining the header row.

Search, query, and filter CSV rows by keyword with real-time matching and instant export.

Validate spreadsheet columns against required formats, email addresses, and numerical thresholds.

Reduce CSV file size by stripping redundant padding, unnecessary quotes, and trailing empty space.