JSPM

Plain color conversion functions

Converts Zod schemas to Json Schemas

Small package to encode or decode IP addresses from buffers to strings.

A convertor between XML text and Javascript object / JSON text.

Typescript port of an accurate python Hijri-Gregorian dates converter based on the Umm al-Qura calendar: https://github.com/mhalshehri/hijri-converter

Small, fast and advanced PNG / APNG encoder and decoder

Convert Swagger 2.0 definitions to OpenApi 3.0 and validate

Fast and advanced TIFF decoder

Convert XML to JSON - Fast & Simple

Newline character converter

Convert HEX color to RGBA

Convert any CSS unit to logical pixels ("px")

Unit conversion functions for Ethereum.

Pure functions for color conversion and parsing

Fast and advanced TIFF decoder

Encrypt/Decrypt the values of a given object

Chinese Calendar

Canvas to Blob is a polyfill for the standard JavaScript canvas.toBlob method. It can be used to create Blob objects from an HTML canvas element.

Converting HEIC/HEIF to PNG/JPEG/GIF in the browser

Implemets the CIEDE2000 color difference algorithm, conversion between RGB and LAB color and mapping all colors in palette X to the closest or most different color in palette Y based on the CIEDE2000 difference.

Revised Bengali Calendar

Converts arrays of integers from one base to another. Uses an O(N²) algorithm.

HyperFormula is a JavaScript engine for efficient processing of spreadsheet-like data and formulas

Convert RGB(A) color to HEX

Javascript color object with implicit color space conversions. Supports RGB, HSV, HSL and CMYK with alpha channel.

Typescript type-preserving conversion of objects between camelCase and snake_case

Converting HEIF/HEIF image formats to PNG/JPEG in the browser

Converts an array of objects into a CSV file. Saves CSV to disk or returns as string.

Simple javascript lib for converting a [comma || space] delimited string to an array

converts all sorts of colors to rgb format.

Turn an `ArrayBuffer` into a string of hexadecimal characters.

Converts Zod 3 schemas to Json Schemas

Small, fast and advanced PNG / APNG encoder and decoder

JavaScript library for quantity calculation and unit conversion

Official convertapi.com API client

Convert react components to plain text without any HTML markup

A tool for easy conversion of currencies.

Symbol which specifies a method for converting an object to a primitive value.

Utility library for converting between Kanji, Hiragana, Katakana, and Romaji

raster image tracer and vectorizer, bitmap to SVG converter

A webpack module to intelligently load csv files.

Convert the process.hrtime() array to a single nanoseconds value. This makes it easier to diff times.

A Hijri calendar (Based on Umm al-Qura calculations) plugin for moment.js.

convert an AudioBuffer to .wav format

A Javascript function for reading a variety of coordinate formats and converting to decimal numbers. Builds on other efforts by returning the verbatim coordinates and the decimal coordinates all in one object.

A safe Uint8Array to base64 string converter

Minimalistic OpenAPI 3 ⬌ JSON Schema (draft 7) conversion

Arbitrary base-n conversions w/ presets for base8/16/32/36/58/62/64/83/85, support for bigints and encoding/decoding of byte arrays

Insanely lightweight module for converting times to milliseconds.

A convertor between XML text and Javascript object / JSON text. Forked to add Graphite specific features.

Unicode to name emoji mapping.

Convert Prometheus metrics to OpenTelemetry (OTLP) format

Jalaali (Jalali, Persian, Khorshidi, Shamsi) calendar system plugin for moment.js.

Lightweight currency conversion library, successor of money.js

AMD compatible script for converting LL, UTM, USNG, and MGRS

Create Uint8Array buffers from hexadecimal strings, and vice versa.

Converts Zod schemas to Json Schemas (Fork upgraded to Zod V4)

Two way conversions between objects and dot/bracket notation

The fastest function to convert a Uint8Array to hexadecimal.

A simple and easy-to-use JS image convert tools, which can specify size to compress the image.

<p align="center"> <img alt="Element to Path" title="Element to Path" src="https://cdn.rawgit.com/elrumordelaluz/element-to-path/8f33cf5f/logo.svg" width="450"> </p>

A javascript library to easily use the WASM build of Chris Rorden's dcm2niix command line program but in the browser.

JavaScript currency conversion library.

Japanese character conversion library

A TypeScript library for ISO 4217 currency codes. Efficiently lookup and validate currency codes, retrieve associated countries, and more.

The Type Conversion Library. Numbers, Strings, Arrays, Maps, Objects, and Iterators.

tiff.js is a port of the LibTIFF by compiling the LibTIFF C code with Emscripten.

A better wrapper for converting documents with unoconv.

A number to text converter

A simple and easy-to-use JS image convert tools, which can specify size to compress the image.

base64topdf

Convert html to pdf using phantomjs

100+ assorted binary / bitwise operations, conversions, utilities, lookup tables

CSS to TailwindCSS converter

JavaScript Canvas to Blob is a function to convert canvas elements into Blob objects (working for npm)

LibreOffice WASM document conversion toolkit - headless document format conversion

Turn a string of hexadecimal characters into an `ArrayBuffer`.

A tiny zero dependency library for ULID to UUID conversion and vice versa

Various string formatting & utility functions

Convert a Java properties file to JSON (with JavaScript).

Base16 to/from Base36 conversion

我就懶，無依賴的，簡繁轉換解決方案。very simple solution for lazy people, no dependencies, converting simplified to traditional and traditional to simplified.

Mathpix-markdown-it is an open source implementation of the mathpix-markdown spec written in Typescript. It relies on the following open source libraries: MathJax v3 (to render math with SVGs), markdown-it (for standard Markdown parsing)

A library-agnostic service for converting HTML content to Microsoft Word DocX documents. Works in both Angular frontend applications and Node.js backend environments.

Makes a promise call a node style callback on completion.

LittleCMS in JS with WASM

## 繁簡轉換對應表

簡繁日 共通字/轉換表

A better way to hold unit variables and easily convert to the destination unit

restore parseFloat behavior to node-postgres (pg) - can be used as a reference for implementing other type parsing addons

node-postgres plugin to parse range columns

Odds conversion and formatting library

轉換 簡繁日 當中共通的 漢字

A javascript library for object conversion in Qlik products

Convert Satoshi <-> Bitcoin

A comprehensive TypeScript library for money-related utilities including currency formatting, conversion, validation, and financial calculations

Fast BigInt/Buffer conversion with Rust native bindings and JS fallback

Roman numerals conversion module

ConvertApi JavaScript and TypeScript library

A simple utility library to measure and convert between units

JavaScript library for parsing MHTML files and converting them into single HTML files

A module for interconversion of base64 and blob, wrapped by Promise

HijriDate Class behaves like the built-in Date class .. However, it is compatible with Hijri Calendar التقويم الهجري

A converter between XML text and Javascript object / JSON text.

nodeJS/npm wrapper for the Open Exchange Rates API

Vietnamese Lunar Calendar Library - TypeScript implementation

TypeScript SDK for Docling - Bridge between Python Docling ecosystem and JavaScript/TypeScript. Supports both CLI and API modes with dual publishing.

convert chinese, japanese 簡繁日漢字轉換 ( merge/split submodule from node-novel, regexp-cjk, str-util )

given an input character set, create an iterator function that returns the next shortest string available

搜尋字串用的漢字貪婪轉換表

Converts an array of objects into a CSV file. Saves CSV to disk or returns as string.

A tiny typescript library to convert between various time units

WASM based LEB128 encoder / decoder (signed & unsigned)

A tiny library that converts milliseconds to and from CSS time.

Array-based color types, CSS parsing, conversions, transformations, declarative theme generation, gradients, presets

Converting HEIC/HEIF to PNG/JPEG/GIF in the browser

Currency conversion module for nest

Convert html to xlsx

Node.js based EC key utilities that can generate PEM keys (required by crypto.sign and crypto.verify) from the raw ones usually but not necessarily generated by crypto.ECDH

Restructure html into contentful's rich-text model

Convert between Date object and Julian dates used in astronomy and history

Generate JavaScript-compatible regular expressions with chinese/jp/zh/cn

A fork of xml-js with some improvements. A convertor between XML text and Javascript object / JSON text.

Node.JS unit conversion library with customizable units

日文五十音轉換表

簡繁轉換表

JavaScript library that detects user's local currency and provides functionalities to convert between multiple currencies.

Convert html to xlsx

Conversion and transliteration of English to Nepali numbers and vice versa

An easy way to convert colors

CDP Edge - Quantum Tracking - Sistema multi-agente para tracking digital Cloudflare Native (Workers + D1)

Convert websites to high-quality PDFs with customizable margins, background printing, and optimized scaling.

Package for converting and formatting units and numerical values.

Converts a distance unit (e.g. m) to another (e.g. cm)

Utilities for manipulating plain JS objects & maps

JavaScript Canvas to Blob is a function to convert canvas elements into Blob objects.

convert full/half width, Chinese/Japanese number, 中日漢字轉換... others util helper

A TypeScript library for ISO 4217 currency codes. Efficiently lookup and validate currency codes, retrieve associated countries, and more.

An extension for dotenv is to help converting environment variables to anything more useful than strings.

Transforms Zod v4 schemas into precise TypeScript shapes. Powered by Typeweaver 🧵✨

Convert HTML to BBCode

A useful library of utilities used by KeystoneJS, and you!

Convert strings to boolean.

Codecs for NodeJS

pure javascript IEEE 754 32-bit and 64-bit floating point binary conversion

A pure JavaScript library for converting complex XML Schemas into equivalent JSON Schemas.

Convert roman numerals to arabic numbers (useful for books, outlines, documentation, slide decks, etc)

Easily create human-readable strings from byte sizes, e.g. 17238 --> 17.24 kB. Supports decimal (MB,GB,..) and binary (MiB, GiB,..) units as well as user-defined conversion from/to other sizes.

Functional, polymorphic API for 2D geometry types & SVG generation

A batch converter for multipage tiff files to png (or any imagemagick supported type).

Matrix & quaternion operations for 2D/3D geometry processing

Type-safe conversion and manipulation of YDB values and types. Encode/decode between native JS and YDB, with full support for primitives and complex types.

Convert Swagger 2.0 definitions to OpenApi 3.0 and validate

JavaScript library for unit conversion and arithmetic

The lucky javascript library to identify and convert strings from any letter case to another

Return the ndarray data type with the smallest size and closest kind to which ndarray data types can be safely cast.

Unicode to Latin transliteration + slugify module

converts [R,G,B] to [H,S,L]

Small, fast and advanced PNG / APNG encoder and decoder

converts [H,S,L] to [R,G,B]

<p align="center"> <img alt="Path that SVG!" title="Path that SVG!" src="https://cdn.rawgit.com/elrumordelaluz/path-that-svg/32de7c4d/logo.svg" width="450"> </p>

Duration and time format conversion

Data model for QUDTLib

Color conversion for HEX to RGBA, HSL to RGBA, RGB to RGBA.

PDF conversion library for Node.js - Core package without embedded fonts

TypeScript wrapper for Python's sqlglot SQL transpiler. Manages a local Python FastAPI microservice to provide deterministic SQL dialect conversion.

Package containing all QUDT units, quantityKinds, and prefixes

High performance conversion of flat data (like SQL result rows) into nested objects.

Moment.js plugin for chinese lunar calendar

A small collection of useful functions to work with Node.js `process.hrtime` values

AETHRAS — Copywriting Agent by VibeCodes. CTAs, headlines e textos que convertem.

SVG element functions for @thi.ng/hiccup & related tooling

Convert a Java properties file to JSON (with JavaScript).

[](https://www.npmjs.com/package/bitcoin-conversion)

Convert an array in a .json file to a newline-delimited .jsonl file.

Z-order curve / Morton encoding, decoding & range extraction for arbitrary dimensions

Cleans & validates untrusted data, with TypeScript & Flow support

Javascript SDK for Sensible, the developer-first platform for extracting structured data from documents so that you can build document-automation features into your SaaS products

Converts different units of Bytes.

convert number to vietnamese words(chuyển số thành chữ tiếng việt)

Conversion between Traditional and Simplified Chinese

Typedarray integer & float pixel buffers w/ customizable formats, blitting, drawing, convolution

Babel-powered unit magick

Helpers for working with Zod and JSON Schema

nD cubic & quadratic curve analysis, conversion, interpolation, splitting

Utility library for object structure conversion.

A utility to convert Zod schemas to Protocol Buffers definitions.

Unit conversion functions for Hedera Hashgraph.

Convert nginx conf strings to JSON and back!

Convert image bitmaps into SVG by tracing outlines. Typescript version of imagetracerjs. Use imagetracerts-nodejs or imagetracerts-browser for platform-specific file input and output.

Dimensional analysis and unit conversions

Small utility to rename .js->.ts, and convert ES6 classes to TypeScript classes by filling in property declarations. See readme for more details.

Color util with color format conversions and gradients

Wrapper for converting documents with unoconv.

Shared utility functions for DOCX processing, including unit conversions, color transformations, and XML helpers

This library provides functions for converting Excel files into JSON objects, with an automatic conversion of Excel date formats into Unix timestamps by default. The library is optimized for performance by processing Excel rows in parallel, resulting in s

a javascript package for node and browsers that supports general processing of the Sutton SignWriting script

A convertor between XML text and Javascript object / JSON text.

A safe Uint8Array to utf-16 string converter

A Hijri calendar (Based on Umm al-Qura calculations) plugin for day.js.

TypeScript implementation of UCUM (Unified Code for Units of Measure)

Platform-specific bindings for image-tracer-ts. Turn images into SVG files in browsers.

JavaScript/JSON/MongoDb/Mongoose to XML conversion

Time and SMTPE Timecodes conversions

Ethereum unit conversion.

A Node to send file conversion jobs to cloudconvert.com

Fracty is a decimal-to-fraction conversion module that solves the many well known problems with decimal-to-fraction conversion modules. Those common problems include overlooking conversion inaccuracies in the IEEE Standard for Floating-Point Arithmetic (I

A module for smart handling of YAML data with support for converting between YAML strings and JavaScript objects.

number-to-words conversion upto length 16.

The NeutriumJS unit conversion module.

Convert XML to JSON - Fast & Simple

browser-tiff.js is a conversion of tiff.js, that nullified the require('crypto'), require('fs') inside the script when importing to web projects

Li2 Analytics SDK for conversion tracking

0D/1D/2D/3D/4D tensors with extensible polymorphic operations and customizable storage

Function to convert numbers as corresponding words

JavaScript color conversion and manipulation functions

convert odds between american, decimal, and fractional formats

Convert AMD & commonjs modules to UMD, AMD, commonjs or `combined.js` (rjs & almond) & run/test on nodejs, Web/AMD or Web/Script. Manipulate & inject module code & dependencies while building & more

Bidirectional markdown ↔ Word conversion with mermaid diagram support

Conversion engine for a16n

Graphviz DOT conversion of @thi.ng/rstream dataflow graph topologies

GetuAI Attribution V2 SDK for client-side tracking

Exchange Rate API — Real-time mid-market currency exchange rates for Node.js and browsers. 160+ currencies from Reuters/Refinitiv, zero dependencies, free tier.

A utility to convert images to WebP format

A Node Red node for unit conversions

Converts CSS unit lengths to pixels.

Simple wrapper to access Shopify's currency conversion rates from Node.js

Convert array of objects to a CSV. No dependencies.

fast php date() work-alike for nodejs

Converts coordinates (e.g. lat/long to MGRS)

Converts an array of objects into a CSV file. Saves CSV to disk or returns as string.

Convert millimeters to inches with fractions based on 64 denominator

Convert any english numeral to Nepali number

Extensible Graph Format

Official JavaScript SDK for ConvertHub API v2 - Convert files between 800+ formats

A modern, lightweight, and tree-shakable utility library for working with colors.

A lightweight, type-safe utility for converting Western digits to Arabic digits with customizable options

Small, fast and advanced PNG / APNG encoder and decoder

A Grunt wrapper around uRequire <https://github.com/anodynos/uRequire>

converting excel files to json files using nodejs

GaussFormula is a JavaScript engine for efficient processing of spreadsheet-like data and formulas

Convert NCS color names to screen values