Number Input — is free and MIT licensed composer require ptplugins/filament-number-input
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Number Input — Free Demo

ptplugins/filament-number-input — a locale-aware numeric input. You type and see a localized number (European 12.345,67, US 12,345.67); the model below always holds a clean float. Every field was seeded with the same value 12345.67 — only the display differs. Free & MIT.
$
RSD

Stored state (what the database gets)

{
    "european": 12345.67,
    "american": 12345.67,
    "spaced": 12345.67,
    "integer": 1000
}