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Pithos - TypeScript utilities library with zero dependencies

Pithos

Everything you need. Nothing you don't.
Zero dependencies. 100% TypeScript.

Get StartedPithos in ActionYet another toolkit?
11.3×
Fast Validation (JIT)
vs Zod
-89%
Bundle size
vs Lodash
100%
Test + Mutation coverage
100%
API compatible
with Neverthrow

Best Performance

2-3× better performance in modern JavaScript runtimes compared to alternatives.

Tiny Bundle Size

Up to 97% less JavaScript code. Fully tree-shakable for optimal bundle size.

Battle-tested

100% test coverage and 100% mutation testing for maximum reliability.

Smart Migration

IDE-guided migration path from Lodash with Taphos. Migrate at your own pace.

Use Cases Discovery

1000+ documented use cases to find the right utility for your needs.

TypeScript-first

Native types included. Zero @types dependencies needed.

Modules

Arkhe module logo

Arkhe

Pure utility functions

Lodash alternative20.9x smaller · 8.4x faster
DocsAPI

Kanon module logo

Kanon

JIT-compiled schema validation

Zod alternative6.5x smaller · 5.5× faster (11.3× with JIT)
DocsAPI

Zygos module logo

Zygos

Result pattern & monads

Neverthrow & fp-ts alternative2.7x smaller · 1.6x faster
DocsAPI

Eidos module logo

Eidos

Functional design patterns

DocsAPI

Sphalma module logo

Sphalma

Typed error factories with error codes

DocsAPI

Taphos module logo

Taphos

Lodash migration guide with IDE integration

DocsAPI