Free browser tools

Spreadsheet Tools

Small, fast tools that fix the boring parts of working with Google Sheets and Excel. Each one runs entirely in your browser — your data never leaves your device.

CSV Cleaner

Remove duplicate and empty rows, trim whitespace, tidy headers — then copy or download.

Formula Explainer

Paste a Sheets/Excel formula and get a plain-English breakdown, function by function.

VLOOKUP → XLOOKUP Converter

Rewrite legacy VLOOKUP formulas as modern XLOOKUP — no column counting.