3 Free and Open-source File converter Apps for macOS (Intel and Apple Silicon)

1- Alchemy

Free PDF File Converter App

Alchemy is an impressive, open-source file converter built on the reliable Electron and React. It offers a variety of operations, including the ability to merge files into a PDF. Its features include an elegantly simple, drag-and-drop interface for converting and merging files, as well as the option to merge multiple images into a single PDF, with the added benefit of being able to change the file order.

Additionally, it allows for batch conversion of multiple files to various file types, making it a versatile tool for any user's needs.

Read about Alchemy 's features, license, platforms, and more.

2- AllToMP3

Download and Convert YouTube, SoundCloud & Spotify in MP3 with full tags (title, artist, genre, cover, lyrics 🔥)

AllToMP3 is a desktop application to download and convert YouTube, SoundCloud, Spotify and Deezer in 256 kb/s MP3, with tags: cover, title, artist, genre, and even lyrics!. It supports YouTube playlists, Deezer and Spotify playlists, and also integrate a search engine so you can simply specify a song name or an album and AllToMP3 will download it.

Read about AllToMP3 's features, license, platforms, and more.

3- HandBreak

Multimedia video converter

HandBeak is a video converter and transcode engine for macOS, Windows and Linux. It's free and open source. I have used it several times for my videos it's really easy to use has built-in preset library, supports multiple input sources and dozens of formats and quality options.

Read about HandBreak 's features, license, platforms, and more.