Spreadsheet formula tools

Spreadsheet Formula Tools for Excel and Google Sheets

Build deterministic formulas, copy working examples, inspect sample data, and download lightweight CSV templates for spreadsheet workflows.

Tool categories

Excel Formula Builders

SUMIFS, XLOOKUP, VLOOKUP, INDEX MATCH, COUNTIFS, and date difference builders.

ExcelCopyable formulas

Formula Examples

Copyable formulas with sample data, explanations, common errors, and related builders.

ExamplesTroubleshooting

Spreadsheet Utilities

Column letter conversion, date serial conversion, and CSV column cleaning.

UtilitiesNo upload

Templates

Free CSV templates for inventory, budgets, and content calendars.

CSVFree

Core tools

SUMIFS Formula Builder

Build a SUMIFS formula with one or two criteria, optional month matching, and copy the Excel or Google Sheets result.

Excel formula builder Copy button

XLOOKUP Formula Builder

Build an XLOOKUP formula with lookup value, lookup array, return array, optional not-found text, and match mode.

Excel formula builder Copy button

VLOOKUP Formula Builder

Build a VLOOKUP formula from lookup value, table range, column index, and exact or approximate match.

Excel formula builder Copy button

INDEX MATCH Formula Builder

Build an INDEX MATCH formula from lookup value, lookup range, and return range for flexible lookups.

Excel formula builder Copy button

COUNTIFS Formula Builder

Build a COUNTIFS formula with multiple criteria range and value pairs for Excel or Google Sheets.

Excel formula builder Copy button

Date Difference Formula Builder

Build Excel and Google Sheets formulas to calculate days, completed months, or completed years between two dates.

Excel formula builder Copy button

Google Sheets QUERY Formula Builder

Build a Google Sheets QUERY formula with SELECT, WHERE, date filter, ORDER BY, and header row options.

Google Sheets formula builder Copy button

FILTER Formula Builder

Build Excel dynamic array and Google Sheets FILTER formulas with one or two conditions.

Google Sheets formula builder Copy button

REGEXEXTRACT Formula Builder

Build a Google Sheets REGEXEXTRACT formula for domains, email domains, first numbers, text in parentheses, or custom patterns.

Google Sheets formula builder Copy button

Excel Column Letter Converter

Convert Excel or Google Sheets column numbers to letters and column letters back to numbers locally in your browser.

Spreadsheet utility Copy button

Excel Date Serial Converter

Convert ISO dates to Excel serial numbers and Excel serial numbers back to dates with local browser logic.

Spreadsheet utility Copy button

CSV Column Cleaner

Clean CSV header names into simple lowercase spreadsheet-friendly column names locally in the browser.

Spreadsheet utility Copy button

Formula examples

SUMIFS by Month in Excel

Copy a SUMIFS by month formula with sample sales data and a month-cell criteria pattern.

Sample data FAQ

FILTER Rows by Date

Copy Excel and Google Sheets FILTER formulas that return rows on or after a selected date.

Sample data FAQ

Templates

FAQ

Are the formula builders free?

Yes. The formula builders, examples, utilities, and MVP CSV templates are free to use.

Do I need to upload my spreadsheet?

No. The tools use manually entered ranges and values. Your spreadsheet files are not uploaded.

Do these tools use AI?

No. Formula generation is deterministic and runs in the browser from typed fields and selected options.

Do the formulas work in both Excel and Google Sheets?

Many formulas work in both. When support differs, the page shows separate outputs or a compatibility note.

Can I copy the example formulas?

Yes. Builder and example pages include copy buttons for formula outputs.