Paste any Excel formula and get a plain-English breakdown of every nested function, argument, and logical step. Pro tier.
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Paste your Excel formula (e.g. =IF(VLOOKUP(A1,B:C,2,0)>100,"High","Low"))
The formula parser builds an AST and explains each function in plain English
Review the step-by-step breakdown and annotated formula tree
0 bytes uploaded. Formula Tree Explainer runs entirely in your browser using SheetJS and ExcelJS. Your spreadsheets never leave your device.
All standard Excel functions (IF, VLOOKUP, INDEX/MATCH, SUMIF, COUNTIFS, LET, LAMBDA, array formulas) are recognised. Custom VBA functions show as 'User-defined function'.
No — the explainer is a static analysis tool. It parses the syntax and describes the logic without requiring actual cell data.