10 Best JavaScript Video Conversion Libraries

Here are the best JavaScript video conversion libraries for your web application. You can use the rich JavaScript ecosystem of video conversion libraries to convert, manipulate, and encode video files.

These libraries typically use JavaScript to interface with underlying software or hardware to perform the video conversion. Whether you need to convert a video into a different format, manipulate its contents, or prepare it for playback on other devices, these libraries provide a wealth of functionality to support your video conversion needs. The JavaScript video conversion libraries offer a wide range of functionalities, such as:

• Command-line tool for converting video.
• Recording and encoding video in a variety of formats.
• Video compression and format conversion.
• Adding watermarks or other overlays to videos.

They are also often used to convert video into formats that can be played on different devices or web browsers.

We have handpicked top and trending JavaScript video conversion libraries based on popularity, licensing, and unique features to build video processing functionalities in your applications:

FFmpeg.js:

• Used in User Interface, Graphics applications, etc.
• A command-line tool for video conversion used through JavaScript.
• Supports formats like WebM, MP4, H.264, AAC, and MP3 encoders.

MediaStreamRecorder:

• Used for recording and encoding video and audio streams in JavaScript.
• Useful for cross browser audio/video/screen recording.
• Supports Chrome, Firefox, Opera, Microsoft Edge, and Android browsers. 

Video.js:

• Used for its built-in video conversion capabilities.
• An open-source web-based HTML5 video player.
• Supports HTML5 video and Media Source Extensions, as well as YouTube and Vimeo (through plugins).

CloudConvert

• Used in Utilities, Command Line Interface, Nodejs applications, etc.
• A cloud-based API for converting video and other media files.
• Allows easy and fast conversions of files using the terminal.

VideoConverter.js:

• Used for converting video files to other formats in a web browser.
• Support multiple video codecs and containers.
• Originally conceived for a project called Video Funhouse in Node Knockout 2013.

VideoConverter:

• Used to perform multiple video conversions at the same time.
• Offers cross platform (macOS, Windows & Linux) support.
• Supports multiple input and output formats.
• Provides an easy drag-and-drop function for multiple files at the same time.

Gifify

• Used to convert any video file to an optimized animated GIF.
• Can extract small parts to convert from lengthy videos.
• Offers multiple options like movie speed, fps, colors, compression, resize, reverse, from & to, and subtitles.

AV-converter

• Used to convert audio/video files to another format in the web browser.
• Powered by FFmpeg and WebAssembly.
• Supports multiple audio and video formats.
• Has a YT downloader as well.

Node-Fluent-FFmpeg

• Used to record, convert, and stream audio and videos across platforms.
• Built for using FFmpeg in Node.js applications.
• Provides a simple API for video conversion.

Handbrake-js

• Used for converting video from nearly any format.
• Compatible with Mac OSX, Ubuntu 14, Windows XP, Windows 7, and Windows 8.1.
• Provides a lean and stable foundation for building video transcoding software in node.js.