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GridCraft: free alternative to Microsoft Excel — online / desktop
For lightweight spreadsheet needs, the online build is a good starting point; for VBA macros or complex pivot tables, go back to Excel.
| Replaces | Microsoft Excel |
|---|---|
| License | Apache-2.0 (commercial use OK) |
| Runs on | online / desktop |
| Chinese UI | no (English UI) |
| Where files go | On your device (not uploaded) |
| Cost | All features free; no subscription, no account (open source) |
| Hands-on test | 2026-10-21 · v0.10.0 |
Hands-on test (2026-10-21, v0.10.0)
- Hosting the official web build on our site; cold start takes about 13–15 seconds (v0.9.0 measured), after which browser cache takes over
- wasm raw size 18.9 MB; Cloudflare automatically brotli-compresses it to about 6.6 MB
- Basic spreadsheet operations work: cell editing, formulas, and switching between sheets; complex charts and macros were not verified
The version follows upstream releases; the page date is the date of the most recent hands-on test
Best for
- Opening/editing .xlsx files ad hoc
- Lightweight spreadsheets without installing Office
Not for
- VBA macros
- Complex pivot analysis and professional charts
Similar alternatives
How to get started
- Click "Use online" above — it runs in your browser, no signup required.
- Run the full workflow (open → edit → export) on a throwaway file first, to confirm format compatibility.
- Once you accept its limits, migrate your daily workflow; keep the original software as a fallback for critical deliverables.