CSV tools that respect
your privacy
Free conversion and manipulation tools that run entirely in your browser. Your data never leaves your device — no uploads, no servers, no tracking.
Conversion
7 toolsTransform CSV files to and from other formats.
JSON to CSV
SoonConvert JSON arrays to downloadable CSV
CSV to Excel
SoonExport CSV data to .xlsx spreadsheets
Excel to CSV
SoonImport .xlsx files and convert to CSV
CSV to SQL
SoonGenerate SQL INSERT statements from CSV data
CSV to XML
SoonTransform CSV into well-formed XML documents
TSV to JSON
SoonConvert tab-separated data into structured JSON output
Manipulation
6 toolsEdit, combine, and transform your CSV data.
Merge CSVs
SoonCombine multiple CSV files into one
Split CSV
SoonBreak large CSVs into smaller chunks
CSV Editor
SoonEdit cells, add rows, and fix data inline
Remove Duplicates
SoonFind and eliminate duplicate rows
Sort CSV
SoonSort rows by any column, ascending or descending
Filter Rows
SoonKeep only rows that match your criteria
Analysis
4 toolsInspect, explore, and understand your data.
CSV Viewer
SoonView and explore CSV files in a sortable table
Column Stats
SoonGet min, max, mean, and distribution per column
Data Profiler
SoonAutomatic data type detection and quality report
Row Counter
SoonQuick count of rows, columns, and empty cells
Your data never leaves your device
Every tool on CSV Tools runs entirely in your browser using JavaScript. Your files are never uploaded to any server. There's nothing to trust because there's nothing to send. Open the network tab and see for yourself.