JSPM

Simple micro templating

Throw better errors.

Functional errors with formatted output

Use unquoted format on @font-face CSS definitions.

Format data using ECMA-376 spreadsheet Format Codes

fast-csv formatting module

Biome is a toolchain for the web: formatter, linter and more

API for combining call site modifiers

Excel Workbook Manager - Read and Write xlsx and csv Files.

Formatting of objects for should.js

a low-level, lightweight protocol buffers implementation in JavaScript

Stylable text tables, handling ansi colour. Useful for console output.

Formats SQL queries. Part of SQLTools

The best of both `JSON.stringify(obj)` and `JSON.stringify(obj, null, indent)`.

A simple string template function based on named or indexed arguments

Temporarily substitute tokens in the given `string` with placeholders, then put them back after transforming the string.

Get a formatted timestamp.

Listr verbose renderer

Convert an object or array into a formatted string

Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.

A collection of validation functions for the JSON Schema `format` keyword.

The color gray, in ansi.

Internationalize JS apps. This library provides an API to format dates, numbers, and strings, including pluralization and handling translations.

Newline character converter

A tiny (414B) and fast utility to convert milliseconds to and from strings.

`util.inspect` with additional type information

Pure-JS printf

Format whitespace in a SQL query to make it more readable

Formats JS list in a i18n-safe way

Format and manipulate numbers.

Easily format the time from node.js `process.hrtime`. Works with timescales ranging from weeks to nanoseconds.

The up-to-date and reliable Google's libphonenumber package for node.js.

Create a vinyl file from an actual file

Internationalization (i18n) for React

Throw better errors.

A printf-like string formatter for Edge Runtime

Git commit, but play nice with conventions.

The color red, in ansi.

Module to help building SARIF log files

Internationalization (i18n) for Next.js

Some tweaks for beautifying HTML with js-beautify according to my preferences.

Formatting user's text input on-the-fly

The color cyan, in ansi.

sprintf parser and basic formatter

sprintf formatting targetted for CLI

Brings the node url api layer to whatwg-url class

Validate a date

Lightweight format utility for the browser, based on util.format().

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data.

vfile utility to create a report for a file

Perform rapid conversation and validation of JSON structure between Postman Collection Format v1 and v2

ESLint rules for formatting jest tests

Library to easily style texts with string formatting

A CLI for formatjs.

A simple set of Ethereum JS utilties.

html formatter yo! Prettify or minify html.

Generate string from a token array by interpolating values.

Formats JavaScript dates to relative time strings.

A moment.js plugin for formatting durations.

Normalize, canonicalize, and format BCP 47 tags

A react component to format phone numbers

Insert supplied variable values into a format string.

A small, lightweight javascript library for working with currency values.

Tokenize a string into an array of string parts and format identifier objects.

The simplest, most intuitive date and time library

Format and manipulate numbers.

Full implementation of the `printf` family in pure JS.

maximally minimal string formatting library

Strip ANSI color codes from a string. No dependencies.

Format whitespace in HTML

rehype plugin to format HTML

Listr verbose renderer

The color green, in ansi.

JavaScript library for formatting input text content when you are typing

☎️ International phone input component for React

Comma delimit an array for human readability, the Oxford comma is optional.

Localized relative date/time formatting

A convenient Intl.RelativeTimeFormat polyfill

JavaScript string formatting utilities for Vega.

number, money and currency formatting library

Cross-platform success symbol.

Bitcoin Cash cashaddr address format support for Node.js and web browsers.

Simple cross Node.js inteface for using brotli compression

The color underline, in ansi.

The color bggreen, in ansi.

The color hidden, in ansi.

Lib for CLI for formatjs.

Hex string formatters for 4/8/16/24/32/48/64bit words, hexdump formatting of binary data

The color yellow, in ansi.

Cross-platform error symbol.

The color bgmagenta, in ansi.

JSON format for good presentation

React input component for masked input.

A moment.js plugin for formatting durations.

The color grey, in ansi.

The color bgred, in ansi.

The color bgwhite, in ansi.

Cross-platform warning symbol.

The color dim, in ansi.

The color magenta, in ansi.

The main zero-dependency and framework-agnostic Maskito's package to create an input mask

Extensible TypeScript Logger for Node.js and Browser.

A string manipulation toolbox, featuring a string formatter (inspired by sprintf), a variable inspector (output featuring ANSI colors and HTML) and various escape functions (shell argument, regexp, html, etc).

The color white, in ansi.

The color strikethrough, in ansi.

The color black, in ansi.

The color reset, in ansi.

Cross-platform info symbol.

The color blue, in ansi.

The color inverse, in ansi.

The color bold, in ansi.

The color bgblack, in ansi.

The color bgcyan, in ansi.

The color italic, in ansi.

The color bgyellow, in ansi.

A JSON tree view component that is easy to use and also supports data selection.

The color bgblue, in ansi.

A tiny (349B) reusable date formatter. Extremely fast!

AST and parser for Fluent

Parse and stringify file paths with line and column like `unicorn.js:8:14`

strftime for JavaScript

Adds a `toFormat` instance method to decimal.js or big.js

The optional framework-agnostic Maskito's package with ready-to-use masks

Stringify an object/array like JSON.stringify just without all the double-quotes (ES5 compatible)

Compact binary encoding for geographic data

Generate a single formatted list item, allowing you to easily generate lists with proper indentation, bullets, numbers or other leading characters.

Stream variables beetween 2 JavaScript threads (client/server, ipc, worker/main thread).

Replace tokens from a string with values of an object

Lightweight date format and parse

Writable stream that formats bunyan records that are piped into it.

Organize imports in JavaScript/TypeScript files using VSCode's organize imports functionality

A phone number input designed for the React library MUI built with libphonenumber-js

Format dates with date.js and moment.js. Uses date.js to parse human readable date phrases, and moment to format the rendered output. Should work with any Handlebars, Lo-Dash, underscore, or any template engine that allows helper functions to be registere

Base32 encoding / decoding of bitcoin cash addresses

Converts long numbers to pretty, human-readable strings

A code formatting tool for raw json data

Format a number with commas or custom character

Interactive table generation JavaScript library

Stylish reporter for JSHint

JavaScript library for working with Date and Time in different calendars and locals

Transform web logs (common log format) to JSON

Format an error message for production.

A simple Javascript utility that helps you to display currency properly

A simple set of Ethereum JS utilities.

autoNumeric is a standalone Javascript library that provides live *as-you-type* formatting for international numbers and currencies. It supports most international numeric formats and currencies including those used in Europe, Asia, and North and South Am

The React-specific Maskito's library

Retrieve formatted URL addresses for local and LAN access.

Format JavaScript Standard Style output to a JSON array.

A payload formatter for the Ethereum RPC layer.

Full Excel style number formatting

Parse, validate, manipulate, and display dates

The Angular-specific Maskito's library

ECMAScript code beautifier/formatter

Presenting values in human-readable form.

Node's util.inspect, extracted for use on the Web

Localization library for expressive translations.

Default format plugin for virmator.

Node's URL module plus relative pathing

markdown in your shell

Create or parse a PNG tEXt chunk for storing uncompressed text data in PNG images

Format an OpenAPI document by ordering, formatting and filtering fields.

Work with large numbers on the client side. Round them off to any required precision.

A moment.js plugin to extract the format of a date/time string

Translates the `java.text.SimpleDateFormat` date format to the `moment.js` date format.

Formats whitespace in a SQL query to make it more readable

A configurable Prettier plugin to format embedded languages in JS/TS files.

Excel Workbook Manager - Read and Write xlsx and csv Files.

Winston@3 console formatter for debugging purposes using util.inspect().

gulp plugin to minify HTML.

Has country codes for all countries in the world. Please send a PR if you see something missing or find a mistake.

A payload formatter for the Ethereum RPC layer.

[](https://github.com/semantic-release/semantic-release) [](ht

Lightweight module to convert number from exponential notaton to a human readable string

export multiple formats of eslint

Prettier plugin to force all arrays to be multiline.

Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware encoding of JSON for LLM prompts

List of audio extensions

convert an AudioBuffer to .wav format

Compile and resolve template strings notation as specified in ES6

Localized relative date/time formatting in React

Decides whether a string is a valid isodate format

Vue and Nuxt 2/3 isomorphic JSON editor, viewer, formatter and validator.

A fully typed TypeScript and Node.js implementation of PostgreSQL format() to safely create dynamic SQL queries. SQL identifiers and literals are escaped to help prevent SQL injection.

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

Make your JSON look AWESOME!

SQL Syntax Highlighter and Logger. Unadorned and customizable.

Parse a decimal number with i18n format support (localized decimal points and thousands separators)

Human readable relative times (eg. 4 minutes ago)

Formats GraphQL schema definition language (SDL) document.

Simple Checkstyle data formatter

Small, elegant, Olson educated, timezone aware date math and `strftime` date formatting in pure JavaScript with no dependendcies for Node.js and the browser. Timezone uses the Olson/IANA timezone database. Timezone is aware of every clock transition in th

Simple query stringify with nesting.

Parse and convert SRT subtitles into JSON format.

Number, money and currency formatting library.

Lightweight & Fast JavaScript Number Formatter

Utilities for managing time and number formats.

Folds a long line according to the RFC 5322

Write a JSON file to disk, also creates intermediate directories in the destination path if they don't already exist.

Write YAML. Converts JSON to YAML writes it to the specified file.

Convert spritesheet data into CSS or CSS pre-processor data

Convert between JSON and YAML format files.

Lint, format and auto-fix your Groovy / Jenkinsfile / Gradle files

A node.js package that returns information about an image or flash file such as type, dimensions etc.

The optional framework-agnostic Maskito's package with phone masks

Validate and format function arguments ( handles types and optionals)

Convert a number in milliseconds to a standard duration string.

Gulp plugin for beautifying markdown using pretty-remarkable.

Library for extracting data from CLDR (the Unicode Common Locale Data Repository)

formatjs-related compiler macros

Left-pad each line in a string

r1cs file format parser

Beautiful formatting for Webpack messages; ported from Create React App!

Fluent bindings for DOM

Extended Date object for javascript. 1. Handles offests by days and hours. 2. Built-in formatting function. 3. Time based value calculation.

Arcjet platform-independent replacement for util.format

Beautify CSS files.

A module that formats a string based on a pattern

A tiny (339B) utility for human-readable time differences between now and past or future dates.

Plugin for prettifying markdown with Remarkable using custom renderer rules.

Pretty-print JSON data into HTML to indent and colorize (written in functional TypeScript)

Rome is a toolchain for the web: formatter, linter and more

Manipulate sections in a markdown string. A 'section' is a block of content preceded by a valid markdown ATX heading.

ebml parser

Parsers and serializers for common RDF formats

A material-ui react component to format phone numbers. Based on react-phone-input-2

Format HTML strings.

Library for validating, parsing, and formatting data against open api schemas.

Format size, permissions

Accessibility results re-formatter

iLib is a cross-engine library of internationalization (i18n) classes written in pure JS

Matroska node parser

React input component for formatted number input with locale-specific.

Internationalize React apps. Not only for React component but also for Vanilla JS.

js-beautify for Gulp

Tiny currency string parser utility

A phone number input made with Vue JS && libphonenumber-js

Internationalization support for Enact using iLib

edit json in-place

Pretty format axios error. Can by used with logform and winston.

util.format-like string formatting utility

Custom formatter that converts any string into Title Case

sprintf plugin for loglayer.

Git commit, but play nice with conventions.

noop functions to help formatters and syntax highlighters recognize embedded code

jsbn-based arbitrary precision operations on currency amounts "XXX.YY"; because floats are BAD for representing money

qsu is a utility library that contains useful and frequently used functions. Start with your preferred language and the modern development environment.

Unofficial implementation of duration UnitFormat

A validator for swedish banking numbers

Transforms Slonik query result field names.

Bundle of RDF/JS parsers and serializers