Apps to Built-in Media Converter

VLC Media Player is a free and open-source cross-platform multimedia player that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. Known for its robust format support and stability, VLC is a favorite for playing virtually any media file without the need for external codecs.

SYLoader is a robust and versatile media downloader designed to simplify saving videos and audio from various platforms, including YouTube, Facebook, and Vimeo. It offers support for multiple languages and the ability to convert downloads to popular formats like MP3 and MP4, making it a comprehensive tool for offline media access.

Kantaris Media Player is an all-in-one multimedia solution designed to deliver a seamless playback experience. It supports a wide range of audio and video formats, offers advanced features like subtitle support, Last.fm integration, and extensibility through plugins, aiming to be your go-to player for all media needs. Its focus on being lightweight and ad-free enhances its appeal.

File Converter is a user-friendly Windows Explorer extension designed for effortless file conversion and compression across various formats, including audio, video, and images, directly from the context menu.

Ares is a free, open-source P2P file-sharing client that leverages its own decentralized network to connect users and facilitate fast downloads of various file types. It distinguishes itself with a built-in media player, converter, and search functionality, making file sharing and management more comprehensive.

Qmmp is a free and open-source audio player designed for various operating systems, known for its lightweight nature and extensive customization options through plugins. It provides a familiar interface similar to classic audio players while offering modern features like streaming, media conversion, and library management.

aTunes is a versatile, open-source audio player and music manager built on Java, offering robust features for organizing, playing, and managing various audio formats. It leverages MPlayer for playback and includes capabilities like internet radio streaming, podcast management, and integration with music services.

Quod Libet is a highly extensible GTK+-based audio player for Linux, focusing on powerful music library management and flexible tagging. Written in Python and using the Mutagen library, it offers extensive customization and handles diverse audio formats seamlessly.

Miro was a comprehensive, open-source media player and internet TV application. It allowed users to discover, download, and play videos and music from various online sources, including podcasts, video feeds, and BitTorrent. It offered features like built-in torrenting, media conversion, and integration with Android devices.

Banshee was a versatile media player and management application that supported various audio and video formats, podcasts, and seamless library organization. It included features like smart playlists, integrated media conversion, and device synchronization.

Amarok is a powerful and versatile cross-platform free and open-source music player. It excels in managing large music collections with features like dynamic playlists, advanced tagging, and integration with online music services. Designed for users who seek comprehensive control over their audio experience, Amarok offers a customizable interface and a wide array of plugins.