Merge MP3 Files on Online Audio Joiners

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Merge MP3 Files on Online Audio Joiners

28 November 2019 Amanda J. Brook Senior Product Manager

Summary
MP3 is the common audio format when we are going to merge some audio files into one, such as medley. Generally, we can use the audio editing software or the online audio joiners with merge MP3 files. In this essay, we will introduce how to merge MP3 files on online audio joiners.

Content

Part 1: Why Online Audio Joiner is not Recommended

Part 2: Use Renee Audio Tools to Merge MP3 Files

Part 3: How to Adjust Volume and Add Effects to Audios

Part 4: Merge MP3 Files with Online Audio Joiners

1. Filesmerge.com
2. Audio Joiner

Part 5: Comparison

Part 1: Why Online Audio Joiner is not Recommended

Many people think that online audio joiners are very convenient. They think that using online audio joiners means they don’t need to install any software. But, there are still some demerits for these online audio joiners:

Ad popups

Size limitation for uploads

Long course of processing files

Part 2: Use Renee Audio Tools to Merge MP3 Files

Given that the limitations of online audio joiners, we suggest that you use Renee Audio Tools to merge MP3 files. This hot software is welcomed by many users. It can not only merge audio files but also contains many other functions. Next, we will show you how to use it to merge MP3 files.

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 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

3000 users has downloaded and enjoyed it!

1. Download and install Renee Audio Tools.

2. Open and click [Joiner].

select the function joiner in renee audio tools

3. Click [Add Files] and select the target audio files.

select the target audio files to combine in renee audio joiner

4. Check [Merge all files into one].

click to combine audio files into one in renee audio joiner

5. Select the output format, folder and quality. Then, click [Start] to merge them.

set format and folder before joining audio files

6. Click [OK] to finish.

successfully finish conversion in joiner

Part 3: How to Adjust Volume and Add Effects to Audios

After merging audio files into one, we should adjust the volume because the volume of each merge file is different from each other. That unequal volume will affect the whole file. At this situation, you can also use Renee Audio Tools to adjust the volume and add some effects to the audio file. Next, we will show you how to do.

1. Download and install Renee Audio Tools.

2. Open and click [Cutter].

click cutter to cut music in renee audio tools

3. Click [Add Files] and select the target audio files.

4. Go into [Cut].

5. Select the part you want to adjust by setting the specific start and end time. In [Adjust Volume], move the slider to volume up/down the specific part. Select voice effects in [Change of voice]. Then, set the fade-in/out value as zero. After that, click [OK].

adjust volume and change voice in audio tools

6. Click [Add Files] again and select another audio file. Then, go to [Cut].

click to select the target audio files in renee audio joiner

7. In [Adjust Volume], move the slider to volume up/down the specific part. Select voice effects in [Change of voice]. Then, set the fade-in/out value as zero. After that, click [OK].

change audio voice or adjust volume to cut in renee audio tools

8. Check [Merge all files into one].

check to merge audio files in renee audio cutter

9. Select the output format and folder. Finally, click [Start] to merge.

select the output format and folder and save in renee audio cutter

Part 4: Merge MP3 Files with Online Audio Joiners

If you want to merge MP3 files with online audio joiners, here are two joiners for you.

1. Filesmerge.com

Filesmerge.com is an online audio joiner known by many people. You can get access to this website (link: https://www.filesmerge.com/zh/merge-mp3-files). Then, click [Select a local file] and upload the target audio files. After that, click [Merge] to combine them and download later.

Limit: It doesn’t provide any cut function; the upload file is limited to 50MB; ads pop up sometimes.

Yet, if you use audio editing software, like Renee Audio Tools, you will not meet with these problems at all.

Hot Topic - ADsProfessional Audio Editor – Renee Audio Tools

Cutter Users can seperate videos into equal clips by time, size, etc.

Many Available Tools Such as fade in/out, speed adjustment, music mixing and volume adjustment.

Converter Convert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others.

Recorder Record PC sounds and microphone at the same time and output in multiple formats.

Joiner Merge music files into one regardless the original file formats.

Cutter Seperate videos into equal clips by time, size, etc.

Multiple Tools Fade in/out, speed adjustment, music mixing and volume adjustment.

Convert Convert music files between all audio formats.

Free Trial Free Trial 2000 users have downloaded and enjoyed Renee Audio Tools!

2. Audio Joiner

Audio Joiner is a professional website offering users to merge audio files. After getting access to the website (link: https://audio-joiner.com/cn/), click [Add tracks] to upload the target audio files and then click [Join]. Finally, download the merged file.

Limit: The course of merging audio files is quiet long, with ad popups.

Part 5: Comparison

MP3 file joiner	Ad popups	Function of editing audio files	Efficiency in uploading and merging audio files	Limitation of file size
Renee Audio Tools	No	Yes	Quick	No
Filesmerge.com	Yes	No	Not slow	Yes
Audio Joiner	Yes	No	Slow	No

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