Dominate your spreadsheets

Professional spreadsheet tools for serious users.

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CSV to ExcelFree

Convert CSV files to .xlsx instantly in your browser.

Excel to CSVFree

Convert Excel spreadsheets to CSV files in your browser.

Excel to JSONFree

Convert Excel spreadsheets to JSON with headers as keys.

Split Excel by SheetFree

Extract sheets from an Excel file into separate .xlsx files.

JSON to ExcelFree

Convert JSON data to a .xlsx spreadsheet instantly in your browser.

Excel Functions & Formulas

Clear explanations with real examples.

ANDAVERAGEIFAVERAGEIFSCONCATENATECOUNTCOUNTACOUNTBLANKCOUNTIFCOUNTIFSDATEDATEDIFDAYDAYSEDATEEOMONTHFILTERFINDHLOOKUPHOURHYPERLINKIFIFERRORIFSINDEXINDIRECTISBLANKISNUMBERLAMBDALEFTLETMATCHMIDMINUTEMODMONTHNETWORKDAYSNOWOFFSETORPMTRAND and RANDBETWEEN FunctionsRANKREPLACERIGHTROUNDROUNDUPSEARCHSEQUENCESORTSUBTOTALSUMIFSUMIFSSUMPRODUCTSWITCHTEXTTEXTJOINTEXTSPLITTODAYTRIMUNIQUEVLOOKUPVSTACKWEEKDAYWORKDAYXLOOKUPYEARINDEX and MATCH in Excel: Two-Dimensional LookupsVLOOKUP and HLOOKUP Functions
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Cheatsheets

Quick reference guides you'll actually use.

Creating a Quick Launch Bar in Windows

How to set up a Windows Quick Launch Bar to open your most-used files and programs faster.

Customize the Quick Access Toolbar in Excel

How to customize the Excel Quick Access Toolbar to put your most-used commands one click away.

Excel Keyboard Shortcuts: Windows & Mac Cheat Sheet

Complete Excel keyboard shortcuts for Windows and Mac. Navigate, format, and enter data faster without touching the mouse.

Select Displayed Cells for Copying

How to copy only the visible cells in a filtered Excel range, skipping hidden rows.

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