How to Convert YouTube Video to FLAC with Free Online Converter?

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How to Convert YouTube Video to FLAC with Free Online Converter?

15 December 2020 Amanda J. Brook Senior Product Manager

Last update by Olivia Brown at 8 November 2026

Summary
Video is the combination of sounds and images. We can separate audios from a video. How? In this essay, we will talk about how to convert a YouTube video to FLAC with free online converter.

Content

Part 1: About FLAC

Part 2: Convert YouTube Video to FLAC with Free Online Converter

1. 123APPS
2. Onlineconvertfree.com

Part 3: Extract Audios with Renee Audio Tools

Part 4: Further Edit Audios

Part 1: About FLAC

FLAC (Free Lossless Audio Codec), is the format in lossless compression. The decoded FLAC file can display all data of the original contents, without any data loss. Therefore, the format can give us better aural experience. Besides, it is supported by many people and devices.

Part 2: Convert YouTube Video to FLAC with Free Online Converter

To convert a YouTube video to FLAC, you can use the URL analyzer to analyze the link of the YouTube video. Here are two free online converters.

1. 123APPS

“Online-audio-converter” is an online audio editor. You can use it to simply edit audios, such as converting formats. You can follow these to convert a YouTube video to FLAC with the free online converter.

Open the browser and get access to the website (link: https://online-audio-converter.com/). Click on [Open files] to upload the video, or [URL] to paste the link of the target YouTube video. Then, select FLAC as the output format. Finally, click on [Convert] to convert the video to audios, and then download the audio file.

use audio converter to convert audio files to mp3

Limit: The processing speed is too slow and the functions are too simple.

It is not effective enough to convert a YouTube video to FLAC with this free online converter. We recommend that you use Renee Audio Tools to complete this process.

2. Onlineconvertfree.com

It is an online file converter, not limited to audio format conversion. The online converter is simple, clear and easy to use.

a. Save the YouTube video

Since there is no URL analyzer in this website, you shall download the video at first. Get access to Videofk, a URL analyzer (link: https://www.videofk.com/). This analyzer can quickly and effectively download videos up to 1080P.

After pasting the video URL into the box, wait for analyzing and then download the video through the analyzed download link.

b. Convert Video to FLAC

Enter into the website (link: https://onlineconvertfree.com/converter/audio/). Then, click on [CHOOSE FILE] to upload the target video. Next, select FLAC as the output format. Finally, click on [Convert] to convert the YouTube video to FLAC in this free online converter.

Limit: Some functions should be paid. The size and the number of the uploads are limited.

We still recommend that you use Renee Audio Tools to convert the YouTube video to FLAC within 3 steps.

Part 3: Extract Audios with Renee Audio Tools

Renee Audio Tools is the multifunctional but easy audio editing software. You can use this software to extract audios from video, optimize audios and burn them to CD.

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

32321 users has downloaded and enjoyed it!

1. Install and open Renee Audio Tools.

2. Select [Video to MP3]. Many other formats can be output.

Convert youtube to wav click video to mp3 in renee audio tools

3. Click on [Add Files] to select the target video. Enter into [Cut] and then cut the video if necessary.

4. Select FLAC as the output format and click on [Start] to finally output the FLAC file.

Part 4: Further Edit Audios

After getting the FLAC file, you can further edit the file with Renee Audio Tools. For example, you can remove the unnecessary part of the file and set the duration of fade-in/out effects.

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

32321 users has downloaded and enjoyed it!

1. Open the software and click on [Cutter].