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CSV File Tools
All tools

Your CSV toolkit

Open, improve and convert your files.

29 free tools

View & create

  • CSV viewer
  • CSV editor
  • Sample files
  • Generate CSV

Clean & organize

  • Filter rows
  • Sort rows
  • Clean data
  • Validate CSV
  • Format CSV
  • Map columns
  • Transpose

Combine & split

  • Merge files
  • Split files
  • Compare files
  • Compress CSV

Analyze

  • Analyze data
  • Create a chart

Convert CSV

  • Markdown
  • JSON
  • Excel
  • TSV
  • Parquet
  • SQL
  • SQLite
  • HTML
  • XML
  • YAML
  • VCF contacts
  • PDF

Files stay on your device. No signup needed.

Resources
Sample CSV filesTry the tools with ready-made data.Use with ClaudeConnect CSV tools through MCP.About CSV File ToolsA focused toolkit from Loamstack.Help & supportGet help with your files and tools.
Open editor
Opening CSV workspace…

Working with another file format?

Parquet viewerTSV toolsExcel toolsJSON to CSV

Desktop apps

Edit CSV files on your desktop

Open files from your desktop with CSV Viewer and Editor.

View CSV Viewer and Editor in the Microsoft Store
Get CSV Editor by Loam for MacGet CSV Editor for Linux on Snapcraft

Browser extension

Open CSV files in your browser

Install CSV Viewer to open CSV and TSV files in a browser tab.

Files stay on your device. No account or uploads.

Get CSV Viewer for ChromeGet CSV Viewer for Microsoft EdgeGet CSV Viewer for Firefox

ChatGPT plugin

Edit CSV files in ChatGPT

Open a CSV file in ChatGPT, edit its cells, and save your changes with CSV Editor.

Install in ChatGPT

View & create

CSV viewerCSV editorSample filesGenerate CSV

Clean & organize

Filter rowsSort rowsClean dataValidate CSVFormat CSVMap columnsTranspose

Combine & split

Merge filesSplit filesCompare filesCompress CSV

Analyze

Analyze dataCreate a chart

Convert CSV

MarkdownJSONExcelTSVParquetSQLSQLiteHTMLXMLYAMLVCF contactsPDF

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CSV File Tools · Focused CSV utilities by Loamstack

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