Joyoshare VidiKit (Video Toolkit)

  • Record screen, audio, webcam, gameplay and specific windows
  • Built-in video editor to crop, subtitle, adjust speed, effect, and more
  • One-stop solution to cut, merge, compress, convert, and repair videos
  • Support 240 FPS and 1080p/4K high-resolution video output

Top 5 Online MP3 Mergers to Merge MP3 Online Free

onine mp3 merger

Would you like to directly take the aid of a quick way to merge your MP3 files together? If you are attracted to do it, an online MP3 joiner is the one you need. From our survey, it's difficult to find easy-to-use online programs to manage MP3 files. Namely, the 5 online MP3 mergers ranked in this review are carefully selected by us in this year 2019. Pros and cons are listed for each tool and you can pick whichever you satisfy to merge MP3 online right now.

1. Audio Joiner

Audio Joiner is a free MP3 merger online, which is incredibly simple to use for novices. With this forthright assistant, you can get unlimited audio tracks merged with ease. Not just confined to MP3, you can also import more than 300 types of audio formats, like M4A, OGG, WAV, etc.

When you get down to mix your MP3 files, you can get access to adjust the intervals in your own way. Smartly make use of the fade-in, fade-out and crossfade features so that you can produce a smooth and natural audio composition. Crucially, you don't have to worry about the privacy issue as all your uploaded date will be deleted automatically a few hours later after you finish your operation.


Support over 300 audio formats

Allow you join unlimited audio files at a time

Free to use without installing anything

With crossfade design to make different MP3 files joined seamlessly


Network status affects upload speed

audio joiner

2. Aconvert

Compared with Audio Joiner, Aconvert offers one more option to add MP3 files, which enables you to either select designated MP3 files from the local folder or paste an online audio URL directly.

There are lots of audio formats that can be acceptable by this online free MP3 joiner, such as WAV, OGG, AAC, WMA, AU, FLAC, MKA, M4A, AIFF and RA and so on. Even though effective as it is, you can only be empowered to join audio track with the same format and bit rate.


With a clean and tidy user interface

The maximum audio file size is 200M

Input audio can be added from local folder or with online URL


Only join audio track with the same format and bit rate

aconvert merge

3. Apowersoft Free Online Audio Editor

Providing a perfect 2-in-one platform, Apowersoft Free Online Audio Editor can well cater to any user's needs. By means of it, you can get a chance to carry out a series of splendid works. In details, this MP3 joiner online facilitates you to mix, append and overwrite audio files with diverse effects applied.

Besides, this tool can as well support various formats, including MP3, AAC, FLAC, OGG, WAV and M4A and more. You can even preview the effects in real-time to see whether it is in accord with your expectations. Certainly, this online MP3 merger and cutter can come to rescue to manage your own music library. That is to say, there is no problem for you to edit the ID3 tag info for your completed MP3 file.


Support a wide range of audio formats

Rework audio track by applying rich effects

Allow you to edit ID tag info

Merge MP3 online rapidly with no quality loss


It's possible to leak privacy info

apowersoft free online audio editor

4. Free Online Editor

Free Online Editor (, an audio joiner online free, is specialized in merging and joining several MP3 files into a new one. It makes ringtone and music creation easier. Just head to your browser to visit this online site rather than cost time to install software on your PC.

Furthermore, you can enjoy yourself in joining numerous MP3 files freely considering this free MP3 merge online tool locks the uploaded file quantity limitation thoughtfully. To keep it well for future listening, you can also download the one you like locally with a single click. One terrible thing is that you can do nothing when you would like to leave out needless parts before your merging process.


Simple to operate with no cost

No restriction on the number of imported MP3 files

With strictly privacy protection by deleting data from server


No option to cut unwanted parts

It's time-consuming to upload files

free audio editor

5. Filesmerge

Filesmerge ( is another lightweight online MP3 merger, which is capable of merging more than 3 audio tracks together. Once you set about taking advantage of this smart tool, you can choose a local file by straightly dragging and dropping it to the main position. Or you can enter a specific URL to upload MP3 audio files.

However, you should pay attention to the file size limit of each audio track, not exceeding 50M. With more available options, Filesmerge has capability to let you set output files in a customized way. You can change quality, encoder, sample rate and channel for your destination audio as you please.


Supporting uploading files from local folder or online sites

Help you delete uploaded audio tracks to avoid info leakage

Entitle you to set quality, sample rate, channel, etc.


With limited format: MP3

Each file cannot exceed 50M


More Recommendation - Joyoshare Video Joiner

In case you show no interest in above top-listed 5 online MP3 joiners, we here specially give you one more choice, Joyoshare MP3 Joiner. It is highly sought after owing to its excellent performance. You can adopt it to merge an unlimited number of MP3 files together at up to 60X faster speed without losing quality.

Comprehensively, any imported audio files can be customized in your own way as you are allowed to setup sample rate, bitrate, channel and codec. Thanks to its professional editing tools, you also accessibly make your audio professional-looking by applying different effects and adjusting related parameters.

Why Choose Joyoshare Video Joiner?

Losslessly join MP3 audios at high speed

Support MP3, AC3, FLAC, AU, AIFF, OGG, etc.

Cut and trim undesired MP3 tracks before combination

With cool editing tools to enrich required MP3 files

Customize codec, resolution, sample rate, bit rate, etc.


It depends on personal preference whether to choose an online or offline MP3 merger. If you are fond of online solution, select a decent online MP3 joiner from the list above. Of course, there are many other tools that can be used to merge MP3 online, you can also search them yourself and try one. However, if you're not happy with online ones and want an offline program, we here highly recommend you to try Joyoshare Video Joiner to join and cut MP3 audios with no quality loss.


Joyoshare VidiKit

Complete video toolkit combines recording, conversion and editing


Leave a comment

  Home >  Resource >  Reviews >  Top 5 Online MP3 Mergers to Merge MP3 Online Free