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Documents & data tools

Convert and clean spreadsheets, CSV files, Word documents and presentations. Everything runs in your browser — files are never uploaded.

Spreadsheets & CSV

  • CSV to Excel

    Turn a CSV file into a real Excel (XLSX) workbook.

  • Excel to CSV

    Export an Excel worksheet to CSV with the delimiter you choose.

  • CSV to JSON

    Convert CSV rows into a JSON array of objects.

  • JSON to CSV

    Flatten JSON records into a CSV table.

  • Excel to JSON

    Read a worksheet and export it as JSON.

  • JSON to Excel

    Turn a JSON array into an Excel workbook.

  • CSV to HTML Table

    Create a clean, escaped HTML table from CSV.

  • CSV to Markdown Table

    Convert CSV to a Markdown table for docs and README files.

  • CSV to TSV

    Switch a comma-separated file to tab-separated values.

  • TSV to CSV

    Switch a tab-separated file to comma-separated values.

  • Excel to HTML

    Export a worksheet as a standalone HTML table.

    Values only
  • Excel to PDF

    Print a worksheet's table to PDF with repeated headers.

    Simple table layout
  • CSV to PDF

    Turn a CSV table into a paginated PDF with repeating headers.

  • CSV Tools

    Merge, split, de-duplicate, filter and clean CSV columns.

Word

PowerPoint

Frequently asked questions

Are these conversions exact copies of Office documents?

No. Each tool says what it keeps. Data conversions keep cell values; Word conversions keep headings, lists, tables and images; PowerPoint conversions are approximate visual copies. For pixel-exact output, export from Word, Excel or PowerPoint themselves.

Are formulas and macros run?

Never. Spreadsheet tools read saved values only, and macros are not executed.

Which file types are supported?

Modern .xlsx, .docx and .pptx files, plus CSV, TSV and JSON. Older .xls, .doc and .ppt files should be saved in the modern format first.