Merge Audio
Join several audio files into one MP3 or WAV, in the order you choose.
FLAC to MP3
Convert lossless FLAC files to MP3 for phones, cars and older players.
Your files stay on your device.
Drop your FLAC file to convert it to MP3 Release to open it
MP3, WAV, FLAC, OGG, M4A, AAC, AIFF and WebM recordings, or MP4, MOV and WebM videos, up to 2 GB.
Recordings are processed on your device. Nothing is uploaded, and your original is never changed.
Help improve UNQIRO
Allow anonymous usage statistics? UNQIRO would count only which tool was used, whether it finished and which links between the tools and the Format Lab were followed. Your files, text and results are never included, and this use is not counted.
Things to know
- Choose a high bitrate: Coming from lossless audio, 256 or 320 kbps gives an MP3 that is very hard to tell apart from the original. It is still lossy, so keep your FLAC files as the originals.
- Hi-res FLAC: 24-bit and 96 kHz FLAC files are resampled to 48 kHz for MP3, which is above what people can hear.
- In Safari: Safari cannot stream-decode FLAC, so there the whole file is decoded at once. That works for album tracks and long pieces up to about 25 minutes of stereo audio; Chrome and Edge have no such limit.
Frequently asked questions
Can I convert a whole album at once?
One file at a time in this version. To join tracks into one MP3, use Merge Audio.
Are album tags and cover art kept?
Tags such as title, artist, album and cover art are not copied into the new file. The result contains the sound and the technical information a player needs.