257 best open source converter projects.

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Displaying 1 to 20 from 257 results

word-to-markdown - A ruby gem to liberate content from Microsoft Word documents

Ruby

Our default content publishing workflow is terribly broken. We've all been trained to make paper, yet today, content authored once is more commonly consumed in multiple formats, and rarely, if ever, does it embody physical form. Put another way, our go-to content authoring workflow remains relatively unchanged since it was conceived in the early 80s. I'm asked regularly by government employees — knowledge workers who fire up a desktop word processor as the first step to any project — for an automated pipeline to convert Microsoft Word documents to Markdown, the lingua franca of the internet, but as my recent foray into building just such a converter proves, it's not that simple.

converter word microsoft-word markdown libreoffice

gifski-app - Convert videos to high-quality GIFs on your Mac

Swift

gifski gif gif-animation video converter convert-videos macos-app

microm - :musical_note: Beautiful library to convert browser microphone to mp3 in Javascript :musical_note:

Javascript

Microm it's just a wrapper of few audio converting libraries which exposes a fully Promise and Event oriented api. Microm goal it's to make trivial to play and convert audio in the browser.

microphone micro mp3 convert converter audio microm

turndown - 🛏 An HTML to Markdown converter written in JavaScript

HTML

Convert HTML into Markdown with JavaScript. For usage with RequireJS, UMD versions are located in lib/turndown.umd.js (for Node.js) and lib/turndown.browser.umd.js for browser usage. These files are generated when the npm package is published. To generate them manually, clone this repo and run npm run build.

html markdown html-to-markdown browser node converter

transpec - The RSpec syntax converter

Ruby

Transpec is a tool for converting your specs to the latest RSpec syntax with static and dynamic code analysis. With Transpec you can upgrade your RSpec 2 specs to RSpec 3 in no time. It supports conversions for almost all of the RSpec 3 changes – not only the expect syntax. Also, you can use it on your RSpec 2 project even if you're not going to upgrade it to RSpec 3 for now.

rspec converter

showdown - A bidirectional Markdown to HTML to Markdown converter written in Javascript

Javascript

Showdown is a Javascript Markdown to HTML converter, based on the original works by John Gruber. Showdown can be used client side (in the browser) or server side (with NodeJs). As you know, ShowdownJS is a free library and it will remain free forever. However, maintaining and improving the library costs time and money.

showdown markdown markdown-parser markdown-flavors gfm html converter html-converter

ReLaXed - Create PDF documents using web technologies

Javascript

ReLaXed creates PDF documents interactively using HTML or Pug (a shorthand for HTML). It allows complex layouts to be defined with CSS and JavaScript, while writing the content in a friendly, minimal syntax close to Markdown or LaTeX. ReLaXed has support for Markdown, LaTeX-style mathematical equations (via MathJax), CSV conversion to HTML tables, plot generation (via Vega-Lite or Chart.js), and diagram generation (via mermaid). Many more features can be added simply by importing an existing JavaScript or CSS framework.

pdf-document pug converter chromium html scss

decktape - PDF exporter for HTML presentations

Javascript

DeckTape is a high-quality PDF exporter for HTML presentation frameworks. DeckTape is built on top of Puppeteer which relies on Google Chrome for laying out and rendering Web pages and provides a headless Chrome instance scriptable with a JavaScript API.

pdf exporter converter html html5 presentations slides

turndown - 🛏 An HTML to Markdown converter written in JavaScript

HTML

html markdown gfm node browser html-to-markdown commonmark converter

node-html-to-text - Advanced html to text converter

Javascript

Advanced converter that parses HTML and returns beautiful text. Version 6 contains a ton of changes, so it worth to take a look.

html converter node email text pretty-print plain-text mail plain

Gifski - 🌈 Convert videos to high-quality GIFs on your Mac

Swift

This is a macOS app for the gifski encoder, which converts videos to GIF animations using pngquant's fancy features for efficient cross-frame palettes and temporal dithering. It produces animated GIFs that use thousands of colors per frame and up to 50 FPS (useful for showing off design work on Dribbble). You can also produce smaller lower quality GIFs when needed with the “Quality” slider, thanks to gifsicle.

converter video gif convert-videos gif-animation macos-app gifski

AsciiDoctor - A fast, open source text processor and publishing toolchain, written in Ruby, for converting AsciiDoc

Ruby

Asciidoctor is a fast, open source, Ruby-based text processor for parsing AsciiDoc into a document model and converting it to output formats such as HTML 5, DocBook 5, manual pages, PDF, EPUB 3, and other formats.

asciidoctor asciidoc converter html docbook manpage document-processor

image2css - Pointless PHP class to convert image to CSS box-shadow property.

You suck at CSS but want to impress your friends anyway? This PHP class converts an image to thousands of CSS lines of box-shadow properties. It's totally pointless... but life is pointless... You can see a demonstration on CodePen.io.

image css converter

html2pdf.it - Webservice for generating pdfs from html

Javascript

html2pdf.it =========== Using PhantomJS to generate pdfs, via a webservice. Runs using node.js.

pdf html nodejs converter nonsucking html2pdf

humps - 🐫 Underscore-to-camelCase converter (and vice versa) for strings and object keys in JavaScript

Javascript

Underscore-to-camelCase converter (and vice versa) for strings and object keys in JavaScript. When converting object keys, it will walk the structure, converting any nested objects (or arrays of nested objects) along the way. Handy for converting JSON between JavaScript and Ruby/Rails APIs.

utils camel case underscore converter strings objects

node-html-to-text - Advanced html to text converter

Javascript

An advanced converter that parses HTML and returns beautiful text. It was mainly designed to transform HTML E-Mail templates to a text representation. So it is currently optimized for table layouts. By using the format option, you can specify formatting for these elements: text, image, lineBreak, paragraph, anchor, heading, table, orderedList, unorderedList, listItem, horizontalLine.

html text plain-text node email pretty-print mail plain converter

HANDWRITTEN.js - Convert typed text to realistic handwriting

Javascript

HANDWRITTEN.js converts typed text to realistic handwriting.

handwritten text handwriting converter handwriter emnist-dataset daniel-font pen pencil extended-mnist

synp - Convert yarn.lock to package-lock.json and vice versa

Javascript

Convert yarn.lock to package-lock.json and vice versa. Note: if all you need is to convert in this direction (package-lock.json => yarn.lock), as of 1.7.0, Yarn is able to import its dependency tree from npm’s package-lock.json natively, without external tools. Use the yarn import command.

npm converter yarn npm-package package-lock-json package-lock package-lock.json yarn.lock convert transform translate

leaflet-omnivore - universal format parser for Leaflet & Mapbox.js

Javascript

Leaflet supports the GeoJSON format by default. What if you have something else? That's where omnivore comes in.Omnivore also includes an AJAX library, corslite, so you can specify what you want to add to the map with just a URL.

leaflet formats kml csv gpx geojson maps wkt osm polyline topojson format converter

Jave - Java Audio Video Encoder Library

Java

The JAVE (Java Audio Video Encoder) library is Java wrapper on the ffmpeg project. Developers can take take advantage of JAVE to transcode audio and video files from a format to another. You can separate and transcode audio and video tracks, you can resize videos, changing their sizes and proportions and so on. Many other formats, containers and operations are supported by JAVE.

ffmpeg video audio media library converter transform