Services
Study guides
Free tools
Explain a formula, find the error, build a lookup, clean a messy paste, count workdays, work out your grade or price a loan. Every tool is instant, private and free — and each one shows the Excel formula behind the answer.
No signup, no delay
Open the page and use it. No account, email or credit card.
Private by design
Everything runs in your browser. Nothing is uploaded or logged.
Formula included
Every answer comes with the exact Excel formula to reproduce it.
When the deadline is closer than the learning curve
A human Excel expert can take the whole workbook — formulas, formatting, VBA, dashboards and the write-up — and return it tested before your deadline. Fixed quote, no hourly surprises.
Single question
from $8
Problem set
$15–$35
Model / dashboard
$35–$100+
Yes. Every tool is free with no signup, no trial and no usage limit. There is no paywall on the results, and the downloaded CSV files are yours to keep.
No. All nine tools run entirely in your browser using JavaScript. Formulas, pasted rows, grades and loan figures never leave your device, so the tools are safe for confidential work.
The tools are web pages, so they work in any modern browser on Windows, macOS, Linux, iOS and Android. The formulas they generate are standard Excel and work in Microsoft 365, Excel 2021/2019, Mac Excel and Excel Online.
Yes. If you would rather hand off the workbook, send the file, rubric and deadline. A human Excel expert returns a tested solution with explanations, usually within 24 hours, from $15/hr with a fixed quote.