FormulaBrief

For Excel Users Building 1 Formula

Get one Excel formula with its assumptions shown.

Describe the calculation and name the cells or columns. Get 1 Excel-compatible formula with a plain-English breakdown, assumptions & cautions.

No workbook upload. Generate mode sends the written task to Cloudflare for AI processing. Explain mode keeps a pasted formula in your browser.

Describe My Calculation
You Provide
A written calculation or 1 pasted formula
You Receive
A copy-ready formula & assumptions

Formula Tool

Build or explain 1 formula.

Choose a formula task

Mention the cells or columns you have. FormulaBrief will state any assumptions.

Do not enter confidential workbook data, credentials, personal data or trade secrets.

What You Receive

A formula you can inspect before you use it.

01

Copy the formula

Get one Excel-compatible expression built for the task you described.

02

Read the parts

See the functions, references & argument structure in plain language.

03

Check the assumptions

Review the workbook details FormulaBrief cannot inspect before you rely on it.

Formula Guides

Start from the job in front of you.

Use a worked example when you already know the pattern, or return to the formula tool when your calculation needs a custom combination.

Choose the right function

Start with the rule your spreadsheet needs to express.

CompareSUMIF, SUMIFS, VLOOKUP, XLOOKUP & INDEX/MATCHChoose a pattern by condition count, lookup direction & Excel version.ReferencePractical Excel Function Cheat SheetReview syntax, argument order, examples & the cautions that change results.

Fix a result

Separate missing data from broken references or invalid inputs.

DebugFix #REF!, #VALUE!, #N/A & #DIV/0!Find the cause before adding an error fallback.LookupReturn Blank When a Lookup MissesHandle a missing key without hiding unrelated formula errors.DivideHandle Blank & Zero DenominatorsGive missing data and undefined ratios different outcomes.

Build a common formula

Use a worked pattern, then replace the references with your own.

CountCOUNTIFS With Dates & TextCombine a status with a start date or a bounded reporting window.TextExtract Text Before a CharacterUse TEXTBEFORE or a compatible LEFT and FIND pattern.MatchLook Up With Multiple CriteriaMatch 2 fields with XLOOKUP or INDEX and MATCH.

Planned Price With No Checkout

$5/month for saved formula briefs.

Payment is not open. The current probe stays free and keeps no history. A paid version would add saved briefs and reusable workbook notes. It would not add file upload or a general spreadsheet assistant.

This records one anonymous intent event only. Email for early access.