developer.utiltools.org

Utility tools built for developers

A curated set of npm packages for JavaScript and TypeScript projects. From everyday utilities to advanced data tools — free and pro tiers available.

Every package is fully modular. Import only what you need — zero unused code shipped.

Complete type definitions included. Full IntelliSense out of the box, no @types needed.

Install and use. Sensible defaults with escape hatches when you need them.

Advanced packages for teams that need more: complex queries, UI helpers, and analytics.

Featured Packages

Get started with our most popular utilities.

v1.0.0

✓ Free

Essential utility functions for everyday JavaScript/TypeScript development.

Utilitiesutilshelpers

1,200 weekly downloads

npm install @utiltools/core

v1.0.0

✓ Free

Smart formatters for numbers, currencies, dates, and strings.

Formattingformattingintl

860 weekly downloads

npm install @utiltools/format

v1.0.0

✓ Free

Lightweight schema validation with a fluent builder API.

Validationvalidationschema

npm install @utiltools/validate

v1.0.0

✓ Free

Timezone-aware date utilities without the bloat.

Date & Timedatetime

npm install @utiltools/date

Install any package in seconds and start using battle-tested utilities in your project today.