How to Convert MP3 to FLAC?

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How to Convert MP3 to FLAC?

21 January 2020 Ashley S. Miller Specialist of Customer Service Dept.

Last update by William Davis at 8 November 2026

Summary
FLAC is the lossless audio format. MP3 is the common format used in smartphones and PCs. But some people want to convert MP3 to FLAC when going to listen to music. In this essay, we will tell you how to convert MP3 to FLAC.

Content

Part 1: About MP3

Part 2: About FLAC

Part 3: Convert MP3 to FLAC with Renee Audio Tools

Part 4: How to Play FLAC in iOS Devices

Part 5: How to Play FLAC in Android Devices

Part 1: About MP3

MP3 is the format of lossy audio compression, with the file extension “.mp3”. The compression ratio of MP3 is about 1:10 or 1:12. Therefore, it can compress an original file to small size but keep the audio quality well. It is welcomed online because of the small file size and the high audio quality. People also prefer to play MP3 files in smartphones and PCs.

Part 2: About FLAC

FLAC is the well-known lossless audio compression coding, with the file extension “.flac”. It will not damage any audio information and show the audio quality of disc. Now, it has been supported by many applications and hardware. It is suitable for storage because it can compress losslessly and decode quickly. However, the file size of a FLAC is generally large.

Part 3: Convert MP3 to FLAC with Renee Audio Tools

Renee Audio Tools is the popular, professional audio editing software favored by many users. It can cut, merge audio files and convert audio formats. Next, we will show you how to use Renee Audio Tools to convert MP3 to FLAC.

Professional Audio Editor – Renee Audio Tools

CutterArbitrarily cut and clip audios in MP3, ACC, FLAC and APE formats. Many effects, such as fade in/out, speed adjustment, music mixing and volume adjustment, are available.

ConverterConvert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others. It can also convert the video format into MP3.

RecorderRecord computer sounds from streaming media and microphone at the same time and output into multiple audio formats.

JoinerMerge music files into one regardless the original file formats. The output format and quality can be set, too.

CD BurnerBurn multiple music files into CD, DVD and also make APE or BIN image file.

Compatible with: Windows 11 / 10 / 8.1 / 8 / 7 / Vista / XP (32bit/64bit)

CutterArbitrarily cut and clip audios in diffrent formats. Many effects, such as fade in/out, speed adjustment, music mixing, are available.

ConverterConvert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others. It can also convert the video format into MP3.

RecorderRecord computer sounds from streaming media and microphone at the same time and output into multiple audio formats.

Full Version Download

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1. Download and install Renee Audio Tools.

2. Open the software and click [Converter].

3. Click [Add Files] to select the target MP3 file.

Wma vs mp3 click to select the target audio files in renee audio converter

4. Then, set FLAC as the output format and set the output folder.

convert mp3 to flac in renee audio tools

5. Finally, click [Start] to convert MP3 to FLAC.

convert mp3 to flac in renee audio converter

Part 4: How to Play FLAC in iOS Devices

It is believed that many Apple users know the operating system prior to iOS 11 cannot play the lossless audio files, such as FLAC and APE. If we import these lossless audio files from the computer to the iOS device, we should install some apps to play them. Next, we will take HIFI Player as an example to tell you more.

1. Download HIFI Player from App Store.

download and install hifi player in app store

2. Use the cable to connect the iOS device (iPhone in this case) with the computer. Then, open iTunes.

double click to open itunes to transfer music from iphone to computer

3. Click the phone-like icon.

4. Click [File Sharing] under [Settings].

5. Click HIFI Player.

select hifi player within itunes file sharing

6. Click [Add file] to add the FLAC file.

click to select the target flac file to hifi player

7. Finally, click [Sync] to transfer the FLAC file and play on iPhone.

Part 5: How to Play FLAC in Android Devices

How about Android devices? If you install the latest Android version, you can play the FLAC files directly. Otherwise, you should install a media player supporting FLAC.

1. Download and install Oplayer on your Android phone.