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FreeFileKit
Excel EditorView and edit XLSX filesXLSX ConverterXLSX to CSV / JSONFormula EvaluatorTest Excel formulasChart from XLSXVisualize spreadsheet dataMerge SheetsCombine multiple sheets
Merge PDFCombine multiple PDFsMerge CSVsCombine multiple CSV filesMerge SheetsCombine Excel sheetsZIPBundle files together
Coming Soon
Merge Excel Sheets
Merge multiple Excel sheets or workbooks into one

We're building this tool. Check back soon.

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YantraKosha

Free online tools that just work. No sign-up, no paywalls, no tricks.

ToolsBlogAboutContactMeet the Creator

Math & Calculators

  • FreeCalcKit

Developer Tools

  • FreeCompressKit
  • FreeDevKit
  • FreeQRGen

PDF Tools

  • FreePDFKit

Productivity

  • FreeFileKit

© 2026 YantraKosha. A Kalikayi Product.

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v0.1.0

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Launched March 22, 2026

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