JSPM

Node.js Buffer API, for the browser

Determine if an object is a Buffer

Convert a typed array to a Buffer without a copy

Node.js Buffer API, for the browser

Node.js Buffer API, for React Native

Node.js Buffer API, for the browser

Node.js Buffer API, for the browser

Lightweight buffer library for the browser (Now with Base64URL support!)

Node.js Buffer API, for React-Native with native Base64

Node.js's buffer module for Frida

A cross-platform, partial implementation shim of Node Buffer.

Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.

Port of Node Buffer for web

Converts a Canvas graphic into a Buffer, as fast as possible and without a copy.

Node.js Buffer API, for Sketch

bigint to buffer conversion with native support - fixed version

Buffer Serializer =================

Buffer Serializer =================

An isomorphic Buffer API

Node.js Buffer API, for the browser

A cross platform alternative of Node buffer base on UInt8Array.

An isomorphic Buffer API

Easily start and stop an X Virtual Frame Buffer from your node app

A tiny isomorphic implementation of a large subset of Node's Buffer.

A basic audio buffer concatenator that will work with Rollup.

Detect whether or not an object is an ArrayBuffer.

Create a MD5 hash with hex encoding

read all or part of the content in a Blob or File as a Buffer or Stream

An alias package for `crypto.randomBytes` in Node.js and/or browsers

Fix Buffer in the browser.

Smallest/simplest possible means of using btoa with both Node and browserify

Smallest/simplest possible means of using atob with both Node and browserify

XMLHttpRequest emulation for node.js

Node standard library for browser.

Node.js Buffer API, for the browser

atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)

Professional video buffering analytics & tracking library for monitoring video streaming performance, buffering progress, and user experience in real-time. Perfect for video platforms, e-learning apps, and media analytics.

Node.js Buffer API, for the browser

btoa for Node.JS (it's a one-liner)

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IOTA transaction (de)serialization & guards.

Smart buffer

A simple implementation for browser to switch string between buffer

Node.js crypto module subset for browser

Node.js Buffer module, fully optimized for Next.js. C++ or Pure-JS automatic fallback, depending on the runtime environments. Tree-shaking ready.

Random bytes stream for node and browser

The string_decoder module from Node core

Array#isArray for older browsers

Browser-friendly inheritance fully compatible with standard node.js inherits()

TypeScript library for parsing binary Property Lists, in browser and node.js.

Converts a source-map from/to different formats and allows adding/changing properties.

ES2015 `Object.assign()` ponyfill

Open stuff like URLs, files, executables. Cross-platform.

The Node.js `util.deprecate()` function with browser support

browser compatible preset for otplib

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.

A library for parsing IPv4 and IPv6 IP addresses in node and the browser.

Public API for OpenTelemetry

Public logs API for OpenTelemetry

Request cowl for making requests from NodeJS/Browser/React-Native

Base class for node which OpenTelemetry instrumentation modules extend

Universal WHATWG Fetch API for Node, Browsers and React Native

Small universal base64 functions for node.js and browsers

Node.js crypto module subset for browser

JavaScript's functional programming helper library.

MurmurHash in WASM for Node.js and the browser

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

Lightweight browser detector

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

High performance (de)compression in an 8kB package

the path module from node core for browsers

Microsoft Azure SDK for JavaScript - Aborter

A simple, lightweight JavaScript API for handling cookies

JavaScript library for DOM operations

Library to work against complex domain names, subdomains and URIs.

Better `os.arch()` for node and the browser -- detect OS architecture

HTML5 `FormData` for Browsers and Node.

the stream module from node core for browsers

Parse and stringify URL query strings

Random number generator for browsers and node.js

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

Get the bundle identifier of the default browser (macOS). Example: com.apple.Safari

Get the default browser

The assert module from Node.js, for the browser.

Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.

A better opn. Reuse the same tab on Chrome for 👨‍💻.

Decode JWT tokens, mostly useful for browser applications.

https module compatability for browserify

Parse milliseconds into an object

JSON without touching any globals

Compare semver version strings to find greater, equal or lesser.

Isomorphic implementation of WebSocket

the tty module from node core for browsers

Microsoft Azure SDK for JavaScript - Logger

vm module for the browser

node's constants module for the browser

Brotli compression/decompression that encodes to base-unicode and back. Node.js and Browser support.

timers module for browserify

A polyfill for the Resize Observer API

Lazy assertions without performance penalty

OpenTelemetry Collector Trace Exporter allows user to send collected traces to the OpenTelemetry Collector

Toggle current selected content in browser

Promisify an event by waiting for it to be emitted

Copy stuff into clipboard using JS with fallbacks

Converts a Web-API readable-stream into a Node.js readable-stream.

resolve which handles browser field support in package.json

Cypress is a next generation front end testing tool built for the modern web

[](#)   ![GitHub issues](https://img.sh

OpenTelemetry Zipkin Exporter allows the user to send collected traces to Zipkin.

Isomorphic client library for supporting long-running operations in node.js and browser.

Apple's property list parser/builder for Node.js and browsers

Get a KeyboardEvent.key-style string from an event

Framework-agnostic, micro-library for getting stack traces in all environments

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

<div> <div align="center"> <img src="https://raw.githubusercontent.com/jjxxs/websocket-ts/gh-pages/websocket-ts-logo.svg" alt="websocket-ts" width="300" height="65" /> </div> <p align="center"> <img src="https://github.com/jjxxs/websocket-ts

JavaScript SVG parser and renderer on Canvas.

OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector

Microsoft Azure Storage SDK for JavaScript - Blob

Check if a value is a natural number

Tiny and elegant HTTP client based on the Fetch API

Cross-browser `CustomEvent` constructor

(recursive)? merging of (cloned)? objects.

Simple wrapper for cross-browser usage of the JavaScript Fullscreen API, which lets you bring the page or any element into fullscreen.

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

OpenTelemetry Collector Logs Exporter allows user to send collected logs to the OpenTelemetry Collector

Isomorphic WebSocket

TypeScript library for parsing and serializing XML, OpenStep/NextStep and binary Property Lists, in browser and node.js.

LRU and FIFO caches for Client or Server

🔥 An extremely fast and efficient LRU cache for JavaScript with high compatibility (including Browsers) — 6.8KB.

Topological sort of directed acyclic graphs (like dependecy lists)

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Low-Level OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Serializes any DOM node into a String

Dynamic script loading for browser

React's ExecutionEnvironment module extracted for use in other packages & components

browser-side require() the node way

A JavaScript library to zip and unzip files in the browser, Deno and Node.js

HKDF with no dependencies using runtime's native crypto

Plugin for loglevel message prefixing

TypedArray. Work with bytes. Can be used as a Buffer, TypedArray, BitView, DataView. Client side and server side support.

DOMParser.parseFromString for XML with IE8 fallback

A tool to get browser's scrollbars width.

A package that contains an array of every single file extension there is for text files

A tiny (230B) and fast UUID (v4) generator for Node and the browser

Tests if ES6 Symbol is supported.

A package that contains an array of every single file extension there is for binary files

Tests if ES6 @@toStringTag is supported.

Check whether operating system CPU architecture is 64-bit or 32-bit (Supports browsers)

walk the dependency graph to generate json output that can be fed into browser-pack

Isomorphic client library for Azure KeyVault's keys.

Extends Chai with assertions about promises.

Detect default web browser of the current user, cross-platform (Win/Lin/Mac)

Adds console.table method that prints an array of objects as a table in console

Light-weight EventEmitter (less than 1KB when gzipped)

sort module-deps output for deterministic browserify bundles

Creates an async iterator for a variety of inputs in the browser and node. Supports fetch, node-fetch, and cross-fetch

Simple JS stack with auto run for node and browsers

pack node-style source files from a json stream into a browser bundle

A generated SDK for WebSiteManagementClient.

Check in which environment the code is running - browser/node.js/webworker/jsdom/deno

Detect device type and render your component according to it

Get the paths of edge browser easily

Image structural similarity (SSIM). In TypeScript/JavaScript. For browser/server.

Array#filter for older browsers.

Unpack a browser type and version from the useragent string

Extends Chai with assertions for the Sinon.JS mocking framework.

Browser compatibility data provided by MDN Web Docs

Super light and fast Extensible ES6+ events and EventEmitters for Node and the browser. Easy for any developer level, use the same exact code in node and the browser. No frills, just high speed events!

A high-performance, lightweight LRU cache. Built for developers who need fast caching without compromising on features.

Flmngr file manager (Local disk / Amazon S3 / Azure Blob)

Analyze and debug space usage through source maps

tap-producing test harness for node and browsers

A generated SDK for ResourceManagementClient.

OpenTelemetry instrumentation for fetch http client in web browsers

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password library

Tiny local JSON database for Node, Electron and the browser

Minimal JavaScript module loader

Check if mobile browser.

Provides access to the system's web browser and supports handling redirects. On iOS, it uses SFSafariViewController or ASWebAuthenticationSession, depending on the method you call, and on Android it uses ChromeCustomTabs. As of iOS 11, SFSafariViewControl

Isomorphic client Runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest

Simple JS queue with auto run for node and browsers

File manager plugin for CKEditor 5

Read file blobs easily

A client for working with the BrowserStack APIs.

Mouse wheel normalization across multiple multiple browsers.

OpenTelemetry instrumentation for XMLHttpRequest http client in web browsers

Cross Platform implementation of the GitLab API

Open a URL via the operating system (http: in default browser, mailto: in mail client etc.

Lint browser compatibility of API used

Isomorphic client library for Azure KeyVault's secrets.

Library to work against complex domain names, subdomains and URIs. Only contains ICANN section.

A Minimalistic Wrapper for IndexedDB

Browser port of the Node.js 'request' package

`[].map(f)` for older browsers

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment

Browser fingerprinting library with the highest accuracy and stability

convert an AudioBuffer to .wav format

Test whether value is error object

Binary protocol buffer for javascript

The official Fullstory browser SDK

Promptbook: Run AI apps in plain human language across multiple models and platforms

Fastest, most accurate & effecient user agent string parser, uses Browserscope's research for parsing

Give your JS App some Backbone with Models, Views, Collections, and Events.

the part of vue-inbrowser-compiler-utils that contains no vue dependency

Detect default web browser of the current user, cross-platform (Win/Lin/Mac)

Cross platform environment variables with process.env, window.name, location.hash and localStorage fallbacks

The speed of a single-page web application without having to write any JavaScript

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Environment utilities

Simple JS queue with auto run for node and browsers

The minimum code point of 4 byte characters in UTF-8

Copy text to the clipboard in modern browsers (0.2 kB)

A function to get the scrolling parent of an html element.

An extended Error class that envelops a parent error, such that the stack trace contains the causation

Javascript audio library for the modern web.

watch mode for browserify builds

TaffyDB is an opensouce library that brings database features into your JavaScript applications.

strings comparison matchers for chai

A javascript scrollbar plugin that hides the native scrollbars, provides custom styleable overlay scrollbars, and preserves the native functionality and feel.

Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish

WebGL & GLSL abstraction layer

Google's libphonenumber pre-compiled with the closure compiler

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Logger Utils

Lightweight copy to clipboard for the web

read all or part of the content in a Blob or File as a Buffer or Stream

Lightning fast hash functions for browsers and Node.js using hand-tuned WebAssembly binaries (MD4, MD5, SHA-1, SHA-2, SHA-3, Keccak, BLAKE2, BLAKE3, PBKDF2, Argon2, bcrypt, scrypt, Adler-32, CRC32, CRC32C, RIPEMD-160, HMAC, xxHash, SM3, Whirlpool)

Check version ranges like `>=N` and `X || Y || Z` with support for Node.js, Web Browsers, Deno, and TypeScript.

Tiny hashing module that uses the native crypto API in Node.js and the browser

A modern logging library for Node.js and modern browsers that provides log level mapping to the console

It is a lightweight rest client for node.js and the browser

Lint CSS for browser support against caniuse database

Compress images in the browser

A pure JavaScript client for the tus resumable upload protocol

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Automatically opens your browser and iOS Simulator to preview Node.js email messages sent with Nodemailer. Made for Forward Email and Lad. Cross-browser and cross-platform email testing.

Normalize browsers' default style

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UI utilities

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Morph a DOM tree to another DOM tree (no virtual DOM needed)

provides locking mechanism to sync across browser tabs

Disallow features that are unsupported by the browsers that you are targeting

Microsoft Azure Storage SDK for JavaScript - Queue

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