AI Applications — app catalog: language learning and more

Business calculators

CALCULATORS

Calculations that usually live in scattered spreadsheets and disappear when someone leaves. Pick an area — inside are calculators for specific tasks, from recipe cost to equipment payback. They run right in your browser: nothing is sent to a server, the page opens without a connection.

Works offline Every calculation happens on your device. Once opened, the page stays available without a network — handy wherever the signal drops.

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Data tools that never upload your files

Offline tools · 275 tools

Paste a table or drop a CSV file, get a chart or a statistical summary, export it as PNG, CSV, JSON or Markdown. Every calculation runs inside your browser, so the data stays on your machine — you can even work with the network switched off.

Why offline matters here Online chart builders and statistics calculators need your table on their server before they can draw anything. For a sales report, a payroll extract or a list of patients that is often simply not allowed — and even when it is allowed, the file ends up in someone else’s logs and backups. These tools remove the question entirely: there is no upload endpoint, because there is no server. The page is static HTML, the maths runs in JavaScript on your device, and the export file is assembled in memory next to you.

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AiApp Lingvi

Foreign language learning

free to start

Vocabulary that actually sticks.

A trainer for learning foreign languages: listen to sentences with auto-repeat and gradually start understanding spoken language. 11 languages, tens of thousands of voiced sentences.

Platforms: Web Android iOS

Languages