When your job is cleaning and comparing data — not writing formulas — Gridzu opens files that crash Excel and does the tedious parts in a click. Free, offline, no subscription.
Excel is brilliant for formulas, budgets, and charts. But it hits a wall the moment your files get big or your job is data wrangling: it caps at ~1 million rows, slows to a crawl on large files, and turns "find the duplicates" or "compare these two exports" into a formula puzzle. Full spreadsheets like Excel 365 also cost a subscription.
To be clear: Gridzu isn't trying to replace Excel's formulas, pivot charts, or macros. It's a focused, fast workbench for cleaning and comparing tabular data — the jobs Excel makes hard. Many people use both.
Gridzu never sends your files to our servers. The only thing our service stores is the email you sign in with.
Yes. Gridzu is free to download and use on Windows and macOS — no subscription and no credit card. You just create a free account.
Gridzu is built for data files rather than formulas. It opens files with millions of rows that would crash or truncate in Excel, and gives you point-and-click tools to clean, compare, and de-duplicate data without writing a single formula. It's not a full spreadsheet with charts and macros — it's a fast workbench for cleaning and comparing tabular data.
Yes. Gridzu opens CSV, TSV, and Excel files, and exports clean CSV back out.
Yes. Everything runs locally on your computer — your files are never sent to our servers. The only thing stored is the email you sign in with.
Free for Windows · works offline · private and local.
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