Excel & CSV Tools Online

Convert CSV data into visual charts with bar, line, area, pie, and doughnut views plus export and summary stats.

Remove duplicate rows from CSV files instantly.

Format and clean CSV files by trimming spaces, fixing delimiters, removing empty rows, and normalizing headers.

Combine multiple CSV files into one output file.

Split a CSV file by row count or unique column values.

Analyze CSV files with summary statistics, missing values, unique counts, and numeric metrics like sum, average, median, and mode.

Convert CSV files into Excel XLSX spreadsheets for reporting, sharing, and analysis.

Convert CSV files into JSON for developers, APIs, testing, and automation.

Validate CSV files for missing headers, bad delimiters, malformed rows, and common formatting issues.

Open, search, sort, filter, edit, and download CSV files online.