[2023 Updated] Top Best 6 Free Audio Editor Online

Making a video is half about the visuals and half about the sounds, which is sometimes the most vital part of a video. To make the audio perfect fit for your video, it's necessary to rely on professional audio editing software. If you just want to make a simple adjustment to your audio without installing a program on the computer, then an online audio editor is exactly what you need. Currently, the web-based audio editor has become a great alternative to traditional software. On this page, we've collected some popular free audio editors online to help you out of the mud. 

Related Article: How to Edit an MP3 with Best MP3 Editors

Top 1. TwistedWave Audio Editor Online

TwistedWave is an online audio editing and recording tool. It supports audio plug-ins and many file formats, including WAV, AIFF, caf, mp3, mp4, FLAC, etc. Similar to other web-based audio editors, it has many excellent features like amplifying, normalizing, pitch, speed, sampling rate conversion, and more. After finishing editing, you can download or directly export the files to SoundCloud or Google Drive.  

• Wav, AIFF, caf, mp3, mp4, FLAC, Ogg/Vorbis, and ambisonic sound files support
• Undo/redo instantly
• VST effects library
• Export audio to SoundCloud and Google Drive
• Convert sampling rate

Top 2. Bear Audio Editor

Bear Audio Editor is an HTML 5-based audio editor that allows you to edit audio files without uploading them to the server. It can fulfill all of your basic audio editing requirements, such as trim, cut, record, crop, and delete audio. You can also use it as an audio joiner. Besides, it has a library of copyright-free music and sound effects, which makes it more desirable. 

• Cut and delete audio
• Undo and redo functions
• Combine audio, songs, and ringtones together
• Fade in and fade out audio
• Has a library of copyright-free music and sound effects
• Online and offline import options
• Supported multiple import formats: MP3, WAV, OGG
• Export format: WAV, MP3, M4R, OGG, AAC, WMA

Top 3. Audio Trimmer

Audio Trimmer is a free online audio editor that can be used to cut audio tracks with ease. It is fast and stable, with over 300+ supported formats. You just need to select your file and click "Upload" to start editing. With only several clicks, you can make perfect audio. 

• Create iPhone ringtones
• Fade in and fade out
• No need to install audio editing software
• 300+ different formats support
• Extract sound from a video
• Full version without hidden payments

Top 4. Hya-Wave 

Hya-Wave is another online audio editor designed for recording and editing short samples in the web browser. With Hya-Wave, you can copy, paste, cut, trim, delete, paste & mix, and trim audio. The interface of Hya-Wave is straightforward and intuitive, which makes it easy to use.   

• Provides more than 18 effects & filters
• Interface is simple 
• Publish directly via URL and social media
• Undo/redo

Top 5. Audio Joiner

It is a free browser-based audio editing app that can be used to merge multiple audio tracks into a single track. Audio Joiner supports more than 300 popular file formats. Notably, you don't have to worry about privacy leakage while using this online editing software since all your data and files will be automatically deleted a few hours after finishing editing.

• Merge multiple audio files into one without installing software
• 300+ audio formats support
• Unlimited tracks
• Combine songs online
• Privacy protection
• Easy to merge audio
• Intervals adjustment

Best Recommendation - EaseUS Video Editor

Although an online audio editor is very convenient for editing, there are still some drawbacks, such as data loss caused by internet interruption and privacy leakages due to misoperation. If you don't want to encounter the problems mentioned above, you can download EaseUS Video Editor, which is the free video and audio editing software that helps you out of the mud. It contains all useful and basic editing tools, such as split, cut, delete files. The most significant advantage of it is to extract audio from video. Besides, there are many other functions worth trying.

• Allow you to edit a regular audio file or edit the audio file from a video
• Allow you to select quality, encoder, channel, sample rate, and bit rate
• Support extracting audio files from the videos
• Detach audio from a video file
• Split, cut, delete audio files
• Import and mix music tracks
• Edits WAV, MP3, M4A, MID, FLAC, AAC, WMA, AU, AIFF, OGG, and more

Download EaseUS Video Editor and follow the detailed tutorials to edit your audio files.

1. Audio Converter

You can convert any format of audio into two types - MP3 and AAC. While MP3 is the most common audio format, AAC is a superior format. It was designed as the successor of the MP3 format. It offers higher sound quality than MP3 at the same bit rate.

Step 1. Open EaseUS Video Editor and drag and drop the audio file to the media tab. Then add it to the timeline and perform basic editing operations.

Step 2. The next step is to configure the output quality of the audio. Click on the Export link and click on the settings icon. It will reveal the detailed settings. Configure the following settings.

• Set quality as high
• Select channel as Stereo
• Set the sample rate to be the highest
• Make sure Bitrate for the audio is high as well to improve the quality

Step 3. Close the Quality settings window and then select MP3 or AAC. Finally, set the output path and click on the Export button to convert the audio to the desired format.

2. Audio Merger/Joiner

If you have multiple videos, you can merge or join them into one single audio file using EaseUS Video editor. It offers a nonlinear timeline where you can drop multiple audio files and convert them into a single audio file.

Step 1. Open EaseUS Video Editor and drag and drop the audio files directly into the timeline. You can rearrange by dragging and dropping it anywhere on the timeline.

Step 2. It is essential that you arrange them correctly, and for that, listen to it carefully using the preview window. You can also select multiple parts of the audio file, and copy-paste it anywhere you want.

Step 3. Lastly, click on the Export link and choose the quality settings. You can select the highest audio quality and Bitrate, and then merge multiple files into one. You can choose to export into MP3 or AAC format.

3. Audio Cutter

The video editor offers audio editing features which allow you to cut, split and trim audio files. All these features are essential if your audio has a lot of errors and noise in the audio file. You can also utilize the noise reduction feature if you plan to replace part of the audio with your voice.

Step 1. Open EaseUS Video Editor and add the audio file into the media tab.

Step 2. To trim or cut the audio file, move the play head to the right position, and then right-click. Choose Split to split the audio file into two. You can also use CTRL + B to split the file using the keyboard. If you want to remove part of the audio file, split at two places, and then delete it. Similarly, you can also trim the audio file by dragging two ends of the file.

Step 3. Then click on the audio file and click on the pencil icon. It will open the audio section where you can change volume, speed, and fade-in, fade-out settings.

Step 4. Click on the Export link and choose the highest quality settings and choose between MP3 and AAC format.

The Bottom Line

This article has introduced 6 of the best free online audio editor, with which you can edit your audio without installing a program. All of them are easy to use and quick to learn, you just need to drag and drop audio files into the workspace. If you want to make your audio file perfect, offline free audio editor - EaseUS Video Editor is your best choice. This audio editing software will never disappoint you!