About this app

Aixcel is a fast, modern spreadsheet built natively for the Mac. It opens instantly, recalculates in real time, and gives you a genuine formula engine with hundreds of functions, dynamic arrays, and modern building blocks like LAMBDA and LET. WHAT YOU CAN DO - Write powerful formulas with hundreds of built-in functions, dynamic-array spill, and named ranges. - See your numbers come alive with conditional formatting, color scales, and data bars. - Turn any range into a clean chart in a single click. - Build pivot tables to summarize large tables in seconds. - Sort, filter with AutoFilter, validate inputs with dropdowns, and add comments. - Trace precedents to see exactly how every result is built. - Open and save .xlsx and .csv files, plus the native .aix format. AN AI COPILOT, ON YOUR TERMS Aixcel includes an optional assistant that turns plain English into formulas and answers questions about your data. Try it instantly in the built-in demo mode, no account and no setup needed. When you want live answers, bring your own API key from the AI provider of your choice, so you stay in full control. Your key lives only on your device and is sent only to the provider you choose, only on requests you trigger. There is also a built-in formula explainer that works completely offline and for free. PRIVATE BY DESIGN Aixcel collects no analytics and phones home to nothing. Everything except the optional AI runs entirely offline. There are no accounts, no sign-ups, no tracking, and no hidden keys. Aixcel is the spreadsheet that respects your speed and your privacy.

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