How to Convert Audios from FLAC to MP3 with Online Tools

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How to Convert Audios from FLAC to MP3 with Online Tools

7 May 2021 Amanda J. Brook Senior Product Manager

Last update by William Davis at 8 November 2026

Summary
With the widely accept of MP3 files, it is one of the mainstream audio format. FLAC format is for professional studio recording. In our daily usage, how can we convert audios from FLAC to MP3 even with the online tools? Here we go.

Content

Part 1: Introduction of FLAC and MP3

1. FLAC
2. MP3

Part 2: Reasons of Converting FLAC to MP3

Part 3: How to Convert FLAC to MP3 with Online Tools

1. Audio Converter
2. Convert Files

Part 4: [Effective Method]Convert FLAC to MP3 with Renee Audio Tools

Part 1: Introduction of FLAC and MP3

1. FLAC

Different from other lossy audio format, FLAC, a lossless audio format, will preserve the quality of the audio. As a result, music in FLAC format can perform the recording quality in studio.

FLAC can store and perform the audio losslessly. However, it takes up a large disk space. For example, a 3-4 minutes music file in FLAC format needs 30MB. And its poor compatibility make it hard to be played in many portable devices.

2. MP3

MP3 is popular compressed format with the digital encoding to decrease the file size. MP3 will only keep some human sensitive audio wave and make the file size smaller. As a result of the small file size, it is widely accepted in music providers and hardware. However, it compresses audio in a lossy way.

Part 2: Reasons of Converting FLAC to MP3

Although FLAC is popular in crazy music fans, we can not enjoy them in some portable music players or Apps because they do not support to play FLAC format. Here, MP3 steps in with its good compatibility and not-so-bad audio performance.

Besides, file size of the same music file in FLAC will be much larger than that of MP3. The limited storage space in portable device makes users convert audios to MP3 which can save more music files.

Part 3: How to Convert FLAC to MP3 with Online Tools

1. Audio Converter

Being a online audio converter, Audio Converter supports over 300 formats even the video format. The operation is also easy to go.

Go to online-audio-converter.com. Then click [Open Files] to upload the files with extension of flac. After conversion finish, click [Download] to save the files to local disk.

2. Convert Files

Convert Files, an online audio convert site with clear interface and pleasure conversion speed, can help us convert FLAC to MP3.

Go to files-conversion.com/audio-converter.php in your browser, and click [Select a File] to upload the target FLAC audio. Then select the MP3 in the output format. Click [Convert] to process the conversion.

Part 4: (Effective Method) Convert FLAC to MP3 with Renee Audio Tools

Although converting audio formats like from FLAC to MP3 with online tools is convenience, it is still with slow conversion, complicated download process and size limitation. So, we recommend you to make the conversion with professional audio edit tool.

Renee Audio Tools, a multifunctional audio edit software, provides multiple audio edit functions like format converter and takes up less disk space.

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.

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