Free AI spreadsheet tools
Write and explain formulas, clean messy files, find duplicates and broken formulas, and ask questions about your data. Every tool is free, needs no sign-up and keeps your files in your browser.
Formulas
Excel Formula Generator
Describe what you need in plain English and get a working Excel formula, explained step by step.
Google Sheets Formula Generator
Plain-English requests turned into Google Sheets formulas, including QUERY, FILTER and ARRAYFORMULA.
Excel Formula Explainer
Paste any formula and get a plain-English, step-by-step explanation — or a fix if it’s broken.
Files
AI Spreadsheet Analyzer
Upload Excel or CSV for an instant summary, then ask questions answered with exact numbers.
Spreadsheet Cleaner
Fix extra spaces, inconsistent spellings, numbers stored as text and mixed dates. You approve every change.
CSV Cleaner
Clean messy CSV exports — encoding, delimiters, blanks, duplicates and formats — and download a tidy CSV.
Duplicate Finder
Find exact and near-duplicate rows by the columns you choose, review them, and remove the extras.
Excel Error Checker
Find #REF!, #N/A, #DIV/0! and formulas that don’t match their column — with fixes explained.
One workspace, all the tools
Each file tool opens the same MindySheets workspace on the tab you need. Once your file is open, you can switch to cleaning, duplicates, formulas, questions or reports without opening it again.
Open the workspace- Excel, CSV, TSV and OpenDocument files up to 50 MB
- 25 free AI credits a day; non-AI tools are unlimited
- Your file stays in your browser
- Download clean Excel and CSV files with every change listed
Learn the manual way too
Step-by-step guides for the same problems, if you’d rather do it yourself in Excel.