File Formats

Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)

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

Exports Sass files to Json format, able to manage sections with annotations in comments.

Parser of GraphViz dot file format

fully asynchronous, pure JavaScript implementation of the Parquet file format

Utilities from consolidate.js for normalizing engine formats.

Format files with Prettier

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

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

Detects the formatting of a JSON file and returns a function to serialize the JSON file in the same format.

A command line JSON Schema validator that supports many file formats. Fork of jessedc/ajv-cli.

Git command to transform staged files according to a command that accepts file content on stdin and produces output on stdout.

Convert between JSON and YAML format files.

TypeScript implementation of the Parquet file format, based on parquet.js

A small node.js library for converting any image to webp file format or converting webp image to any image file format.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

r1cs file format parser

File generator utility for TRX file format for use with Visual Studio and MSBuild

SAP HANA EIM Smart Data Integration Tools VS Code extension includes editors - Flowgraph, Replication Task and File Format

A flexible and `--fix`able rule for checking, inserting, and formatting file headers.

An output formatter for markdownlint-cli2 that writes results to a file in JUnit XML format

An output formatter for markdownlint-cli2 that writes results to a file in JSON format

format EML file in browser env

Webpack plugin which converts images to the WebP format while also keeping the original files.

Beautify CSS files.

AdonisJS sink is a swiss knife for managing project files by applying minimal changes, inferring formatting from EditorConfig file and comes with specialized tasks for different file formats and file types.

Format markdown tables in files

Beautify and/or normalize CSS files. Fork and update of a fork and update of an archived project.

Concat small audio files into single file and export in many formats.

A lightweight Typescript library that interacts with Gotenberg's different modules to convert a variety of document formats to PDF files.

Check if a text conforms to ICU format - supports individual string, JSON files or folders contaning JSON files

Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)

Checker for the 'Banana' JSON-file format for interface messages, as used by MediaWiki and jQuery.i18n.

A validator for Postman file formats

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Parse .eml and .msg files or convert to pdf, html, jpeg or png format. Extract headers and attachments from .eml and msg files.

Parse ABA (Australian Bankers Association or Cemtext) file format

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

A JavaScript NIfTI file format reader.

A gulp plugin to transform json files, pipe json files through it and transform them to other json files or other formats.

just an object that maps `src` file extensions to `dest` file extensions as key/value pairs (e.g. `{'.less': '.css'}`). Useful for dynamically rewriting paths in tasks/plugins. pull requests welcome.

A versatile JavaScript library for effortlessly generating .xlsx files from input objects. Seamlessly create Excel spreadsheets with data, formatting, formulas, and more.

Tools for verifying/fixing code style based on an EditorConfig file

RFC 822 EML file format parser and builder

Internationalization APIs for number, date, time and file size formatting and parsing in D2L Brightspace.

A Prettier plugin that extends default Vue files formatting with additional options.

Grunt plugin that searches a list of files and logs all findings in various formats.

Read and explore NetCDF files

This is the pure Node API for reading MaxMind DB files. MaxMind DB is a binary file format that stores data indexed by IP address subnets (IPv4 or IPv6).

Excel (XLSB/XLSX/XLSM/XLS/XML) and ODS spreadsheet parser and writer (extended to enable read/write of cell formats with xlsx files)