Best Free Audio Converter Software of 2026

MConverter is an online file converter for most video, audio, image, e-book, document and archive formats. It makes it very easy to convert multiple files in bulk. You can select files from anywhere, even the clipboard with Ctrl+V. Once a conversion is complete, you can save its output files to any folder on your device. MConverter lets you compress PDF files in bulk. Pick between basic, strong, and extreme compression: up to 90% reduction in size, depending on the file. MConverter can analyze files with missing extensions, try to guess their real formats and offer to convert them to other formats you can already use on your device. Maximum file size, supported by MConverter: 10 GB. Supported formats: 3g2, 3gp, 7z, aac, ac3, ai, aif, aiff, amv, arw, avi, avif, azw, azw3, bmp, bz2, cab, cbr, cbz, cr2, cr3, cso, csv, deskthemepack, dng, doc, docx, drawio, epub, fb2, flac, flv, gif, gz, heic, htm, html, ico, iso, jar, jpeg, jpg, json, jxl (jpeg xl), m4a, mcaddon, mcpack, mctemplate, mcworld, md (markdown), mid, mkv, mobi, mov, mp3, mp4, mpeg, mpg, mpo, mxf, nef, odp, ods, odt, ogg, opus, pdf, pdf/a, png, ppm, pps, ppsx, ppt, pptx, psd, raf, rar, rtf, rw2, sami, smi, srt, sub, svg, tar, tbz2, tgz, themepack, tif, tiff, tini, tsv (tab), txt, txz, vob, wav, webm, webp, wma, wmv, xcf, xls, xlsx, xz, zip

VLC serves as a free, open-source multimedia player and framework that operates across various platforms, capable of playing a wide range of multimedia files, DVDs, Audio CDs, VCDs, and supporting different streaming protocols. As a project under VideoLAN, it is categorized as open-source software, inviting anyone with the necessary skills and motivation to enhance its offerings to contribute their improvements and innovations. This collaborative approach fosters a vibrant community dedicated to continuous development and enhancement of the software.

foobar2000 is a sophisticated free audio player designed for the Windows operating system. It supports a wide array of audio formats such as MP3, MP4, AAC, CD Audio, WMA, Vorbis, Opus, FLAC, WavPack, WAV, AIFF, Musepack, Speex, AU, SND, and others through the use of additional components. Users can enjoy gapless playback alongside a user interface that can be easily tailored to their preferences. The player boasts advanced tagging features and enables users to rip audio CDs and transcode various supported formats via its converter component. It includes full ReplayGain support and allows for customizable keyboard shortcuts to enhance user experience. The open architecture of the component system encourages third-party developers to add new functionality to the player. Users can also personalize the appearance with skin files, with basic black and white themes provided with the application. Furthermore, it supports playback and downloading of music from UPnP media servers, features automatic adjustments for playback volume, and has enabled decoding of Opus audio contained in MP4 files. Additionally, it offers a range of advanced options, supplemented by an accessible help button for user convenience. With its extensive capabilities, foobar2000 caters to both casual listeners and serious audiophiles alike.

Switch is the most stable and comprehensive audio file converter available. Switch allows you to convert WMA, WAV CDS, AIFF MPEG, AVI, MPEG and more into MP3 files. You can extract audio files from video files and instantly adjust sound levels. Switch MP3 Converter supports more than 75 audio file formats. You will always be able to find the format you need.

Convertilla is an easy-to-use application designed for converting video and audio files across a multitude of formats. It accommodates a wide range of formats including MP4, FLV, MKV, MPG, AVI, MOV, WMV, M4V, 3GP, MP3, WEBM, OPUS, AAC, FLAC, APE, WAV, and ASF. We have created presets tailored for various devices such as Android, iOS (including iPhone and iPad), Windows Phone, iPod, Blackberry, Sony PSP and PS3, Microsoft XBOX 360, Zune, Chrome OS, Ubuntu, Tizen, Nokia N-series, among others. Convertilla also seamlessly integrates with Internet Download Accelerator, allowing you to convert videos into your preferred format immediately after downloading them. For instance, you can change videos obtained from YouTube into a format that your smartphone can play. This versatile software is compatible with Windows operating systems from 2000 to 11, including 2003, 2008, and 2012, and it supports both 32-bit and 64-bit architectures. You can also select the desired video size and quality according to your preferences, making it a flexible option for users. Overall, Convertilla streamlines the conversion process, enhancing your multimedia experience significantly.