File converter  /  Audio  /  Convert to MP3  /  FLAC converter  /  MP3 to FLAC

Convert MP3 to FLAC

We offer a free online converter that can convert audio files from mp3 format to flac format, along with a range of other audio formats.

Converting your mp3 file to flac is easy with these steps.

Converting your flac file to mp3 is easy with these steps.

Icon of «Upload mp3-file»
Step 1

Upload mp3-file

You can select mp3 file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Icon of «Select «to flac»»
Step 2

Select «to flac»

Choose flac or any of the other 200+ supported formats you'd like to convert to.
Icon of «Download your flac file»
Step 3

Download your flac file

Please wait for the conversion to complete, then click on the download button to obtain your converted file in the flac format.

Converting mp3 to flac

Fast and easy
Simply drag and drop your mp3 files onto the webpage, and you'll be able to convert them to flac or over 250 different file formats, all without having to register, provide an email address, or include a watermark.
You don't need to worry about security.
As soon as you upload your mp3 files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.
Everything is stored in the cloud.
You don't have to go through the hassle of installing any software. We handle all mp3 to flac conversions in the cloud, which means that none of your computer's resources will be used in the process.

MP3 Audio File

Extension.mp3
Category🔵 audio
Programs
🔵 Microsoft Windows Media Player
🔵 VLC media player
🔵 MPlayer
🔵 jetAudio
🔵 Zune
🔵 Audacity
🔵 Apple iTunes
🔵 Plex Media Center
🔵 Amarok
🔵 Xine
🔵 Totem
Description🔵 .mp (MPEG Layer Audio) The .mp format is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage, as well as a standard de facto codec for the transfer and playback of music on most digital audio players. MP files compress audio data by eliminating sounds that are outside the hearing range of most people, thus reducing the file size without significantly affecting the perceived sound quality.
Technical details🔵 The `.mp3` format, MPEG-1 Audio Layer III, is a popular digital audio format. Here are the key technical details: - Lossy Compression: Reduces file size by removing less audible sounds. - Compression Ratio: Typically around 10:1, balancing quality and size. - Bitrate: Encoded at different rates, affecting quality and size. - Sampling Rates: Supports various rates, including CD quality. - Channel Modes: Offers mono, stereo, joint stereo, and dual channel. - Metadata: Stores info like title, artist, and genre (ID3 tags). - Streaming: Suitable for internet audio streaming. - Universal Playback: Compatible with most devices and software. - Variable Bitrate (VBR): Dynamically adjusts bitrate for efficiency. - Frequency Range: Covers 20 Hz to 20 kHz (human hearing range). - File Size: Much smaller than uncompressed audio. - Psychoacoustic Model: Removes less audible frequencies. - Developed by Fraunhofer Society in the 1990s. MP3 revolutionized the music industry for its efficient compression and wide compatibility, enabling digital audio storage and sharing.
Developer🔵 Moving Picture Experts Group
MIME type
🔵 audio/mp3
🔵 audio/mpeg3
🔵 audio/mpg
🔵 audio/mpeg
🔵 audio/x-mpeg
🔵 audio/x-mpeg-3
🔵 audio/mp3
🔵 audio/x-mpegaudio
🔵 audio/x-mpg
🔵 audio/x-mp3

Free Lossless Audio Codec

Extension.flac
Category🔵 audio
Programs
🔵 СomboPlayer
🔵 VLC media player
🔵 Winamp
🔵 Foobar2000
🔵 Cog
🔵 MacAmp Lite X
🔵 aTunes
Description🔵

FLAC (free lossless audio codec) is a binary audio file format used to reduce the size of audio files without losing quality. It is basically a lossless audio compression format.

FLAC files use bit-perfect CD copies but offer half the size, so they are much smaller than CDC and WAV files. However, FLAC files are still larger than MP3 (up to 16 times larger). The file extension became popular because of its sound quality. Unlike MP3 which is a lossy format, FLAC is lossless so no part of the audio is shaved off to reduce the size. All the elements, including reverbs, transients and guitar sounds aren’t lost through compression.

Technical details🔵

How to create and how to open an FLAC file

There are two recommended ways to create a FLAC audio file. The first involves ripping from a CD while the other is downloading from a store with FLAC files. However, you can always use online audio converting platforms and downloadable converters to create FLAC versions of your MP3 files. Some applications, such as DAWs (digital audio workstations) allow users to save FLAC files.

Opening FLAC files should be effortless as most Windows and Mac players support the format. You can open FLAC audio files using VLC, Audacity, Adobe Audition CC, Roxio Creator NXT Pro, File Viewer Plus, MPlayer, aTunes, jetAudio and many more. Mobile users can also open FLAC files using VLC for mobile and other smartphone players.

Which other formats FLAC can be converted into and why

Like most audio files, FLAC can be converted to a wide variety of proprietary formats. You can also convert other file formats to FLAC. The easiest conversions include:

  1. 1. MP3
  2. 2. WAV
  3. 3. AIFF
  4. 4. ALAC

Most people convert FLAC to MP3 and vice versa but there are many conversions you can achieve, depending on what you want. The main advantage of FLAC files is sound quality. FLAC formats are lossless like WAV and CDC so they provide much better quality compared to MP3. However, they are up to 16 times bigger than MP3, so you might want to revert to MP3 for uploading and streaming.

Although FLAC files are larger than MP3, they are significantly smaller than WAV files. Users who want compressed versions of WAV and CDC can convert to FLAC which reduced the size by up to 60%. The format is also compatible with most players and DAWs. FLAC files are perfect when you don’t want to sacrifice quality of the original sound for size.

Developer🔵 Josh Coalson, Xiph.Org Foundation
MIME type
🔵 audio/flac

FAQ

❓ How do I change mp3 to flac?
To get started, either pick a file you want to convert from mp3 and select it or drag and drop it into the conversion tool. Next, select the desired format that you wish to convert your file to. Once you have selected the format, click the "convert" button and wait for the tool to finish converting your file.
⏳ What is the estimated time it will take to convert mp3 to flac?
Typically, image conversions only take a few seconds, so you can expect a speedy conversion when changing mp3 to flac.
🛡️ Can I trust OnlineConvertFree to convert mp3 to flac securely?
Absolutely! We take your security seriously, and guarantee the protection of your uploaded and converted files. No one will have access to your information since we delete all files once the conversion process is complete. You can trust that all types of conversions, including mp3 to flac, are 100% safe on OnlineConvertFree.
📱 Is it possible to convert mp3 to flac without having to install any software?
Yes, that's right! OnlineConvertFree doesn't require any installation, which means that you can convert any files, including mp3 to flac, on your computer or mobile device, completely online.