JSPM

Format validation for Ajv v7+

Wrap those words. Show them at what columns to start and stop.

Parse, validate, manipulate, and display dates

A modern CSS parser and stringifier with TypeScript support

Elegant Console Wrapper

Lint files staged by git

A JavaScript time formatter and parser inspired by strftime and strptime.

Format numbers for human consumption.

An mutable object-based log format designed for chaining & objectMode streams.

Date formatting and parsing

See nodejs errors with less clutter

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

A collection of implementation for ECMAScript abstract operations

Formatting Date objects as strings since 2013

Simple micro templating

Throw better errors.

Time zone support for date-fns v3 with the Intl API

Functional errors with formatted output

Use unquoted format on @font-face CSS definitions.

fast-csv formatting module

Format data using ECMA-376 spreadsheet Format Codes

API for combining call site modifiers

a low-level, lightweight protocol buffers implementation in JavaScript

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

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

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

Formats SQL queries. Part of SQLTools

Formatting of objects for should.js

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.

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

Convert an object or array into a formatted string

Get a formatted timestamp.

The color gray, in ansi.

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

Listr verbose renderer

Internationalize React apps. This library provides React components and 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.

Formats JS list in a i18n-safe way

`util.inspect` with additional type information

Pure-JS printf

Format whitespace in a SQL query to make it more readable

Format and manipulate numbers.

Create a vinyl file from an actual file

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.

Throw better errors.

The color red, in ansi.

Git commit, but play nice with conventions.

A printf-like string formatter for Edge Runtime

sprintf parser and basic formatter

Internationalization (i18n) for React

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

The color cyan, in ansi.

Formatting user's text input on-the-fly

sprintf formatting targetted for CLI

Internationalization (i18n) for Next.js

Module to help building SARIF log files

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

vfile utility to create a report for a file

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

Brings the node url api layer to whatwg-url class

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

Validate a date

A CLI for formatjs.

ESLint rules for formatting jest tests

Generate string from a token array by interpolating values.

A simple set of Ethereum JS utilties.

Insert supplied variable values into a format string.

Formats JavaScript dates to relative time strings.

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

Library to easily style texts with string formatting

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

html formatter yo! Prettify or minify html.

The simplest, most intuitive date and time library

A react component to format phone numbers

A moment.js plugin for formatting durations.

Normalize, canonicalize, and format BCP 47 tags

Format and manipulate numbers.

maximally minimal string formatting library

The color green, in ansi.

Strip ANSI color codes from a string. No dependencies.

rehype plugin to format HTML

Format whitespace in HTML

number, money and currency formatting library

Cross-platform success symbol.

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

JavaScript library for formatting input text content when you are typing

☎️ International phone input component for React

The color underline, in ansi.

The color bggreen, in ansi.

The color hidden, in ansi.

A convenient Intl.RelativeTimeFormat polyfill

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

The color magenta, in ansi.

The color black, in ansi.

The color reset, in ansi.

The color bgblack, in ansi.

The color white, in ansi.

The color bgmagenta, in ansi.

Cross-platform error symbol.

Cross-platform info symbol.

A moment.js plugin for formatting durations.

The color yellow, in ansi.

Listr verbose renderer

Localized relative date/time formatting

The color strikethrough, in ansi.

The color grey, in ansi.

JavaScript string formatting utilities for Vega.

The color dim, in ansi.

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

Simple cross Node.js inteface for using brotli compression

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

The color blue, in ansi.

The color bgcyan, in ansi.

The color bold, in ansi.

The color bgred, in ansi.

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

The color inverse, in ansi.

Cross-platform warning symbol.

The color bgyellow, in ansi.

The color bgblue, in ansi.

The color italic, in ansi.

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

React input component for masked input.

Lib for CLI for formatjs.

The color bgwhite, in ansi.

JSON format for good presentation

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

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

AST and parser for Fluent

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).

Extensible TypeScript Logger for Node.js and Browser.

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

strftime for JavaScript

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

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

Compact binary encoding for geographic data

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

Retrieve formatted URL addresses for local and LAN access.

Replace tokens from a string with values of an object

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

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

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

Transform web logs (common log format) to JSON

Format a number with commas or custom character

Lightweight date format and parse

Presenting values in human-readable form.

Interactive table generation JavaScript library

A code formatting tool for raw json data

Stylish reporter for JSHint

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

Converts long numbers to pretty, human-readable strings

The React-specific Maskito's library

A simple set of Ethereum JS utilities.

A simple Javascript utility that helps you to display currency properly

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

Format an error message for production.

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

A payload formatter for the Ethereum RPC layer.

Base32 encoding / decoding of bitcoin cash addresses

The Angular-specific Maskito's library

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

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

A payload formatter for the Ethereum RPC layer.

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

Parse, validate, manipulate, and display dates

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.

Full Excel style number formatting

Node's URL module plus relative pathing

markdown in your shell

gulp plugin to minify HTML.

Format JavaScript Standard Style output to a JSON array.

Localization library for expressive translations.

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

Formats whitespace in a SQL query to make it more readable

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

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

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

Prettier plugin to force all arrays to be multiline.

List of audio extensions

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

ECMAScript code beautifier/formatter

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

Simple Checkstyle data formatter

Compile and resolve template strings notation as specified in ES6

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

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

Gulp plugin for beautifying markdown using pretty-remarkable.

Lightweight & Fast JavaScript Number Formatter

Number, money and currency formatting library.

Decides whether a string is a valid isodate format

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

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

SQL Syntax Highlighter and Logger. Unadorned and customizable.

Localized relative date/time formatting in React

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.

export multiple formats of eslint

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

Utilities for managing time and number formats.

convert an AudioBuffer to .wav format

Simple query stringify with nesting.

Human readable relative times (eg. 4 minutes ago)

Plugin for prettifying markdown with Remarkable using custom renderer rules.

Convert spritesheet data into CSS or CSS pre-processor data

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

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

Folds a long line according to the RFC 5322

Formats GraphQL schema definition language (SDL) document.

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

Convert between JSON and YAML format files.

Convert a number in milliseconds to a standard duration string.

Parse and convert SRT subtitles into JSON format.

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

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

Make your JSON look AWESOME!

r1cs file format parser

Left-pad each line in a string

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

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

HTTP message parser in JavaScript.

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

formatjs-related compiler macros

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

ebml parser

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

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

Arcjet platform-independent replacement for util.format

A module that formats a string based on a pattern

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

Matroska node parser

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

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

Accessibility results re-formatter

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

Format a list of authors, contributors, or collaborators.

Validate and format function arguments ( handles types and optionals)

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

edit json in-place

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

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

Word wrapping with HTML, ANSI color code, indentation and paragraphing support.

Custom formatter that converts any string into Title Case

Format size, permissions

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

Converts numbers into a more human-friendly format, similar to `ls`'s `--human-readable` flag (`ls -lh`) or Stack Overflow's reputation numbers. For example, 123456 becomes '123k'.

Beautify CSS files.

noop functions to help formatters and syntax highlighters recognize embedded code