Free Excel Formula Explainer
Paste any Excel or Google Sheets formula and get a plain-English explanation — what it does, what each argument means, and tips to use it correctly. No signup. Works offline.
Try an example
Who uses Excel Formula Explainer?
Real teams solving real problems — see if your use case is here.
Bookkeeper
Accounting / Small BusinessInherited a spreadsheet with =IFERROR(INDEX(B:B,MATCH(F2,A:A,0)),"Not found"). No idea what it does but the formula breaks after adding new rows — and month-end close depends on it working.
Pastes the formula, gets a plain-English breakdown in seconds. Understands it's a VLOOKUP alternative that won't break on column inserts. Fixes it confidently without calling the accountant.
Finance Manager
Corporate FinanceAuditor points at =SUMPRODUCT((C2:C100="North")*(D2:D100>1000)*E2:E100) and asks 'what does this formula do?' The manager needs to explain it clearly in the meeting room without guessing.
Gets a clear explanation: 'Sum all values in column E where C equals North AND D is greater than 1000.' Explains it confidently. Audit proceeds without delay.
Operations Analyst
Supply Chain / OpsLearning Excel to build a demand forecast model. Googles 'OFFSET function explanation' but the Microsoft documentation is dense, abstract, and filled with jargon that doesn't connect to their actual data.
Types their real OFFSET formula into the tool. Gets a contextual explanation with their actual cell references and ranges explained. Learns the function in context, not in isolation.
HR Administrator
Human ResourcesPayroll sheet has a complex nested IF formula calculating overtime eligibility. A new HR admin needs to verify the logic is correct before running the month's payroll — an error could affect 200 employees.
Pastes the formula. Step-by-step breakdown reveals a condition error in the nested logic. The error is caught and corrected before payroll runs.
How to use the Excel formula explainer
Paste your formula
Copy any Excel or Google Sheets formula from your spreadsheet and paste it into the text box above. Include the leading = sign.
Click Explain
The tool identifies the function name, retrieves its full documentation, and shows you what it does, what each argument means, a worked example, and pro tips.
Understand and apply
Read the plain-English explanation, check the argument breakdown, and use the example to understand how to adapt the formula to your own data.