zlib port to javascript - fast, modularized, with browser support

Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.

Stringify your JSON at max speed

Fastest random ID and random string generation for Node.js

High-performance Base64 encoder and decoder

EC cryptography

Hand-written ICU MessageFormat parser with compatible output as [`intl-messageformat-parser`](https://www.npmjs.com/package/intl-messageformat-parser) but 6 - 10 times as fast.

Blazingly fast recursive convertion to and from camelCase or PascalCase for Objects and Arrays

Intl.LocaleMatcher ponyfill

A faster Node.js alternative to Array.prototype.slice.call(arguments)

Efficient Binary heap (priority queue, binary tree) data structure for JavaScript / TypeScript. Includes JavaScript methods, Python's heapq module methods, and Java's PriorityQueue methods.

Uber-fast unique id generation, for Node.js and the browser

Repeat the given string n times. Fastest implementation for repeating a string.

Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.

SIMD crc32

A point in polygon based on the paper Optimal Reliable Point-in-Polygon Test and Differential Coding Boolean Operations on Polygons

bitcoin OP codes

Fast, type-safe fetch client for your OpenAPI schema. Only 6 kb (min). Works with React, Vue, Svelte, or vanilla JS.

Left pad a string with zeros or a specified string. Fastest implementation.

Common operations for ndarray arrays