17 Best Free AAC to MP3 Online Converter Services

Here is a list of best free AAC to MP3 online converter services. AAC or Advanced Audio Coding is a digital audio encoding format. It is mainly used to encode and carry audio data. The main advantage of AAC is its ability to carry high-quality audio data in a smaller file size compared to the MP3 format. Similar to AAC, MP3 is also an audio encoding format that carries audio data like songs, speeches, etc. It is also one of the most popular audio file formats and is supported by a wide range of applications and devices. Due to compatibility issues, sometimes users need to convert their AAC files to MP3 format. If you also want to do that, then check out these AAC to MP3 online converter services.

Through these services, users can convert AAC audio files to MP3, WAV, WMA, M4A, FLAC, etc., audio formats. Most of these converters can also perform batch AAC to MP3 conversions to speed up the conversion process. In some services, users also get tools to manually adjust some audio parameters such as Audio Bitrate, Sample Rate, Volume, Audio Channels, etc. To help out new users, I have also included the necessary conversion steps in the description of each website.

These websites also come with additional online tools such as Video Converters, Ebook Converters, File Splitter, File Joiner, Audio Trimmer, and more. Go through the list to know more about these services.

My Favorite AAC to MP3 Online Service:

cloudconvert.com is my favorite website as it lets users batch convert AAC audio files to MP3 format. It also lets users adjust the output audio parameters.

You can also check out lists of best free Online AC3 to AAC Converter, Online AIFF to FLAC Converter, and Online MP3 to AAC Converter websites.

Comparison Table:

Features/Website Names	Batch Convert AAC to MP3	Can fetch audio files from online sources	Lets users adjust multiple audio parameters
cloudconvert.com	✓	✓	✓
zamar.com	✓	x	x
onlineconverter.com	x	x	✓ (Can adjust Audio Quality)
freeconvert.com	✓	✓	✓
convertio.co	✓	✓	✓
online-convert.com	x	✓	✓
media.io	✓	✓	✓
xconvert.com	✓	✓	✓
aconvert.com	✓	✓	✓
movavi.com	x	✓	✓
podcastle.ai	x	x	x
mconverter.eu	✓ (upto 2 files at a time)	x	x
cdkm.com	✓	✓	✓
anyconv.com	✓	x	x
coolutils.com	x	x	✓
aspose.app	✓	✓	x
groupdocs.app	x	x	x

cloudconvert.com

cloudconvert.com is a free AAC to MP3 online converter service. This website allows users to bulk convert multiple AAC audio files to MP3, AIFF, FLAC, WAV, WMA, etc., audio formats. It also lets users manually adjust various audio parameters such as Audio Codec, Audio Bitrate, Sample Rate, Volume, etc. A trim tool to trim out the unwanted audio is also available. I also like its ability to fetch audio files from online sources and cloud storage services. Now, follow the below steps.

How to convert AAC to MP3 online using cloudconvert.com:

Start this website and load one or more AAC audio files.
Next, select MP3 as the output audio format.
Now, go to Settings to adjust audio parameters.
Finally, click on the Convert button to start the conversion process.

Additional Features:

Convert Files: Using these tools, users can perform Archive file conversions, CAD file conversions, Font file conversions, Ebook conversions, etc.
Optimize Files: Through optimization tools, users can compress the size of PDF, PNG, and JPG files.
Capture Websites: It is another handy tool that can capture website and save it in PDF, PNG, and JPG formats.

Final Thoughts:

It is one of the best free AAC to MP3 online converter services that offer all the essential tools to batch convert AAC audio files to MP3 and other supported formats.

Pros	Cons
Supports Batch AAC to MP3 Conversions	Free Version imposes multiple restrictions
Can fetch audio files from online sources	Supports limited file size and concurrent file conversions
Lets users adjust multiple audio parameters

Home Page

zamar.com

zamar.com is a free AAC to MP3 online converter website. Using this website, users can quickly convert multiple AAC audio files to MP3 format. It can also convert AAC audio files to AC3, AIFF, MIDI, FLAC, etc., audio formats. An option to fetch AAC and other support audio files from online sources is also available. It also provides an option to automatically send the converted audio files to registered email addresses. Now, follow the below steps.

How to convert AAC to MP3 online using zamzar.com:

Visit this website and load one or more AAC audio files.
After that, select MP3 format from the Format menu.
Next, enable the email when done option if you want.
Finally, click on the Convert Now button to start the conversion process.

Additional Features:

This website offers multiple additional online converters such as Image Converter, Video Converter, Archive Converter, Ebook Converter, etc.

Final Thoughts:

It is a good online AAC to MP3 online converter service that can batch convert multiple AAC audio files to MP3.

Pros	Cons
Supports Batch AAC to MP3 Conversions	Only performs a limited number of concurrent and batch conversions in a day
Can fetch audio files from online sources	Only supports audio files of up to 50 MB in size
Provides an Email when done feature

Home Page

onlineconverter.com

onlineconverter.com is another free AAC to MP3 online converter website. Through this website, users can convert one large AAC audio file of up to 200 MB. Plus, it offers an option to manually adjust the audio quality before starting the conversion process. Although, it lacks batch audio conversion capability. Now, check out the below steps.

How to convert AAC to MP3 online using onlineconverter.com:

Start this website and access the AAC to MP3 Converter.
After that, submit one AAC audio file.
Now, go to Options to specify the output audio quality.
Finally, hit the Convert button to get the converted MP3 audio file.

Additional Features:

This website also contains additional Audio, Image, Document, and Ebook converter tools.

Final Thoughts:

It is a simple-to-use AAC to MP3 online converter website that can convert one AAC audio file to MP3 format at a time.

Pros	Cons
Supports audio files of up to 200 MB in size	Cannot batch-convert audio files
Simple to use	Cannot fetch audio files from online sources

Home Page

freeconvert.com

freeconvert.com is another free AAC to MP3 online converter website. Through this website, users can batch convert AAC audio files of up to 1 Gb size to MP3 audio formats. Besides MP3, it also supports many other audio formats like AIFF, ALAC, WAV, OGG, WMA, and more. It also gives users the necessary tools to adjust audio parameters like Audio Codec, Volume, Fade in Audio, etc. Users can also choose to trim the audio using its Trim Settings. On this website, users can load both locally stored and cloud-stored AAC audio files. Now, follow the below steps.

How to convert AAC to MP3 online using freeconvert.com:

Start this website and access the AAC to MP3 Converter.
After that, use Add Files option to load multiple AAC audio files.
Now, go to the Output menu and select the MP3 audio format.
Next, open up the settings to adjust audio parameters.
In the end, click on the Convert button to start the conversion process.

Additional Features;

File Compressors: Using file compressor tools, users can optimize and compress files of various formats like PNG, PDF, JPG, GIF, MP3, and more.
Converters: It contains additional file conversion tools like Image Converter, Video Converter, Document Converter, Archive Converter, etc.

Final Thoughts:

It is another capable AAC to MP3 online converter website that offers all the essential tools to batch convert AAC audio files to MP3 format.

Pros	Cons
Supports audio files of up to 1 GB in size	Supports a limited number of file conversions per month
Supports batch audio conversion	Limited number of concurrent file conversions at a time
Lets users adjust the audio parameters	Its free version imposes multiple restrictions
Can fetch audio from online sources and cloud storage services

Home Page

convertio.co

convertio.co is another free AAC to MP3 online converter website. It is another good website through which users can batch-convert AAC audio files to MP3 format. This website can also fetch audio files from Google Drive and Dropbox cloud storage services. Besides MP3, it also supports many other output audio formats like WMA, MP2, AIFF, FLAC, OGG, etc. A handy Settings panel is also provided to adjust the audio parameters like Audio Channels, Frequency, Volume, Codec, etc. Now, check out the below steps.

How to convert AAC to MP3 online using convertio.co:

Open the interface of this website and load one or more AAC audio files.
Next, select MP3 from the Format menu.
Now, visit the Settings panel to adjust audio parameters according to your requirements.
Finally, click on the Convert button to get output MP3 audio files.

Additional Features:

Like other similar websites, it also contains many other online conversion tools like Video Converter, Presentation Converter, Font Converter, Ebook Converter, etc.

Final Thoughts:

It is a simple and effective AAC to MP3 online converter service that lets users adjust the audio parameters and batch convert multiple AAC files to MP3 at a time.

Pros	Cons
Supports batch audio conversion	Only supports audio files of up to 100 MB in size
Lets users adjust the audio parameters	Limited number of concurrent file conversions at a time
Can fetch audio from online sources and cloud storage services	Limits on maximum conversion time per file

Home Page

online-convert.com

online-convert.com is another free AAC to MP3 online converter website. This website can convert one AAC audio to MP3 at a time as its batch conversion feature is only available on its premium version. On this website, users can choose to adjust multiple audio parameters like Bitrate, Audio Frequency, Audio Channels, Trim Audio, and more. Like most other similar websites, it can fetch audio files from online sources and cloud storage services. Now, follow the below steps.

How to convert AAC to MP3 online using online-convert.com:

Start this website and upload one AAC audio file.
Now, Choose MP3 from the format menu.
Next, go to Optional Settings to adjust audio parameters if you want.
Finally, click on the Start button to initiate the conversion process.

Additional Features:

This website also comes with additional online tools like Hash Generator, Image Converter, Ebook Converter, Compress PDF, and more.

Final Thoughts:

It is another good AAC to MP3 online converter that lets users adjust the audio parameters before starting the conversion process.

Pros	Cons
Can fetch audio from online sources and cloud storage services	Doesn’t support batch conversion in its free version
Lets users adjust the audio parameters

Home Page

media.io

media.io is another free AAC to MP3 online converter website. This website comes with a standard media converter that can convert audio and video files of various formats. Users can manually select AAC as the input format and MP3 as the output format and start the conversion process. On this website, users can load locally stored AAC files along with Google Drive and Dropbox stored files. Before starting the conversion process, users can also choose to adjust the Audio Encoder, Sample Rate, Channel, Bitrate, etc., audio parameters.

The free version of this website only allows the simultaneous conversion of up to 2 audio files. Now, check out the below steps.

How to convert AAC to MP3 online using media.io:

Start this website using the provided link.
After that, specify AAC as the input format and MP3 as the output format.
Next, upload up to two AAC files.
Now, go to Settings to make changes to the output audio parameters.
Finally, click on the Convert button to initiate the conversion process.

Additional Features:

Create: This menu offers multiple online Music Videos, Lyric Videos, Video podcasts, and Explainer Video maker tools.
Editor: It contains multiple online editing tools like Video Editor, Auto Subtitle, Crop Video, Merge Video, and more.
Compress: Through compress tools, users can compress multiple Audio, Video, and Image files.

Final Thoughts:

It is another capable AAC to MP3 online converter service that can batch convert up to 2 AAC files to MP3 audio format.

Pros	Cons
Can fetch audio from local and cloud storage services	Its free version restricts batch audio conversion up to 2 audio files
Lets users adjust the audio parameters and supports batch audio conversion

Home Page

xconvert.com

xconvert.com is another free AAC to MP3 online converter website. This website offers a simple AAC to MP3 tool through which users can batch-convert AAC audio files to MP3 format. Apart from MP3, it can also convert AAC audio files to OPUS, M4A, OGG, WAV, FLAC, etc., formats. Before starting the conversion process, users can choose to adjust the audio bitrate, audio channel, and sample rate audio parameters. Now, follow the below steps.

How to convert AAC to MP3 online using xconvert.com:

Go to this website and access the AAC to MP3 converter.
After that, upload one or more AAC audio files.
Now, adjust the audio parameters using the available options.
Finally, click on the Convert button to start the conversion process.

Additional Features:

This website also comes with additional online tools such as Compress MP4, Video Compressor, Compress JPG, Merge Image to PDF, etc.

Final Thoughts:

It is another simple and effective AAC to MP3 online converter service that also lets users adjust multiple audio parameters.

Pros	Cons
Can fetch audio from local and cloud storage services	The free version of this service imposes some restrictions on file size and number of file conversions
Lets users adjust the audio parameters	It shows multiple ads on its interface

Home Page

aconvert.com

aconvert.com is another free AAC to MP3 online converter service. It is another good online service that can convert multiple AAC audio files to MP3, WAV, WMA, FLAC, M4A, etc., audio formats. It also allows users to fetch AAC audio files from online sources and cloud storage services. Before initiating the conversion process, users can manually adjust the Audio Bitrate and Sample rate values according to their requirements. Now, follow the below steps.

How to convert AAC to MP3 online using aconvert.com:

Visit this website and click on the Choose Files button to load one or more AAC audio files.
Now, choose MP3 format from the Target Format menu.
Next, adjust the audio bitrate and sample rate values.
Finally, click on the Convert Now! button to initiate the conversion process.

Additional Features:

Converters: On this website, users can also find online PDF, Document, Ebook, Image, etc., converters.
Edit Tools: Through editing tools, users can perform Cut, Merge, and Compress operations.

Final Thoughts:

It is another simple and effective AAC to MP3 online converter service that anyone can use with ease.

Pros	Cons
Can fetch audio from local and cloud storage services	Can convert audio files of up to 200 MB
Lets users adjust the audio parameters and supports batch audio conversion	It terminates the conversion process if it takes more than 10 minutes to finish

Home Page

movavi.com

movavi.com is yet another free AAC to MP3 online converter service. Through this service, users can convert and compress audio files of various formats (M4A, OGG, WMA, FLAC, etc.) including AAC and MP3. Although, it can only fetch and convert one audio file at a time. Tools to adjust audio quality and trim audio are also provided by it. Now, follow the below steps.

How to convert AAC to MP3 online using movavi.com:

Start this website using the given link.
After that, click on Add Your Media button to load one AAC audio.
Now, select MP3 from the Convert to menu.
Next, go to Settings to adjust the Audio Quality.
Finally, click on the Convert button to get the final MP3 audio.

Additional Features:

This website also comes with multiple Windows and macOS tools like Screen Recorder, Video Suite, Stock Video, and more.

Final Thoughts:

It is another simple AAC to MP3 online converter service that can easily convert one AAC audio to MP3 format.

Pros	Cons
Can fetch audio from local and Dropbox cloud storage service	Cannot batch convert multiple AAC files to MP3 format.

Home Page

podcastle.ai

podcastle.ai is another free AAC to MP3 online converter website. Using this website, users can convert AAC audio files to MP3, FLAC, WMA, AIFF, WAV, M4A, and AC3 audio formats. Although, at a time, it can only convert one audio file format. Plus, it lacks features to adjust the audio file parameters. Now, follow the below steps.

How to convert AAC to MP3 online using podcastle.ai:

Start this website using the provided link.
After that, select AAC as the input format and MP3 as the output format.
Next, upload one AAC audio file using its Upload option.
Finally, click on the Convert button to start the conversion process.

Additional Features:

On this website, users get multiple online tools like Audio & Video recording, Text-to-speech, Revoice, Podcast recording, Format Converter, and more.

Final Thoughts:

This website offers a basic AAC to MP3 online converter service that can convert one AAC file to MP3 at a time.

Pros	Cons
Simple to use	Only convert one AAC audio to MP3 at a time
	Only supports audio files of upto 50 MB in size

Home Page

mconverter.eu

mconverter.eu is another free AAC to MP3 online converter website. It is mainly a file conversion website that also offers one AAC to MP3 converter. This tool can convert AAC audio files to MP3 format in bulk. Although, its free version can only process two audio files at a time. Besides MP3, it also supports many other output audio formats like AC3, FLAC, M4A, OPUS, WAV, etc. Now, follow the below steps.

How to convert AAC to MP3 online using mconverter.eu:

Start this website and load up to 2 AAC audio files.
Now, pick MP3 from the Pick a target format menu.
Next, click on MP3 again to start the conversion process.

Additional Features:

This website also offers video-to-video and video-to-audio conversion tools.

Final Thoughts:

It is another simple AAC to MP3 online converter website that anyone can use to convert AAC audio files to MP3 and other audio formats.

Pros	Cons
Supports Batch Audio Conversion	Its free version restricts it to convert only two audio files at a time
	Cannot fetch audio files from online sources
	Doesn’t let users adjust audio parameters

Home Page

cdkm.com

cdkm.com is the next free AAC to MP3 online converter website. This website supports batch audio conversion and allows users to fetch audio files from online sources using their URL links. It even offers tools to adjust the audio bitrate and sample rate of audio files. Plus, multiple audio formats are supported by it namely M4A, OGG, WAV, WMA, and OPUS. Now, follow the below steps.

How to convert AAC to MP3 online using cdkm.com:

Start this website and click on the Choose Files button to load one or more AAC audio files.
Now, select MP3 from the Target Format menu.
Next, go to Set Conversion Options to adjust audio parameters.
In the end, click on the Start Conversion button to get the MP3 audio files.

Additional Features;

This website also offers tools to convert Video Files, Documents, and Images of different formats.

Final Thoughts:

It is another good AAC to MP3 online converter website that allows users to batch convert and adjust AAC audio parameters before converting it to MP3 format.

Pros	Cons
Supports Batch Audio Conversion	Shows multiple ads on its interface
Lets users edit some audio parameters
Can fetch audio files from online sources their URLs

Home Page

anyconv.com

anyconv.com is a free AAC to MP3 online converter service. Through this service, users can convert AAC audio files to MP3, MIDI, M4R, ADTS, etc., formats. Although, it cannot fetch files from online sources nor it can adjust the audio file parameters. The speed of conversion is quite fast in it. After performing the conversion, users can download all the MP3 audio files one by one by pressing the Download buttons. Now, check out the below steps.

How to convert AAC to MP3 online using anyconc.com:

Visit this website using the provided link.
After that, click on Choose Files button to browse and load one or more AAC files.
Now, choose MP3 as the output format.
Next, start the conversion process by hitting the Convert button.

Additional Features:

This website also offers additional converters that allow users to convert Image, Ebook, Font, Archive, Video, Document, and CAD files of different formats.

Final Thoughts:

It is another good AAC to MP3 converter service that anyone can use with ease.

Pros	Cons
Supports Batch Audio Conversion	Shows multiple ads on its interface
	Cannot fetch audio files from online sources
	Doesn’t offer tools to adjust audio parameters

Home Page

coolutils.com

coolutils.com is a free AAC to MP3 online converter website. This website offers multiple file converters one of which is an AAC to MP3 converter. This converter can convert one AAC audio to MP3 at a time. Besides MP3, users can also choose WMA, WAV, and OGG as the output audio formats. Before starting the conversion process, users can manually adjust Audio Bitrate, Samplerate, and Channels parameters. Now, follow the below steps.

How to convert AAC to MP3 online using coolutils.com:

Go to this website and open up the AAC to MP3 online converter.
Now, drag and drop one AAC audio file.
Next, select MP3 as the output format and adjust the audio parameters.
Finally, click on the Download button to convert and download MP3 audio files.

Additional Features:

On this website, users can also find multiple File Converters, Audio Converters, PDF Tools, and File Viewers.

Final Thoughts:

It is another good website to adjust audio AAC audio parameters before converting it to MP3 format.

Pros	Cons
Lets users adjust multiple audio parameters	Doesn’t support batch AAC to MP3 conversion
	Cannot fetch audio files from online sources

Home Page

aspose.app

aspose.app is another free AAC to MP3 online converter website. Using this website, users can fetch AAC audio files from local storage and online sources (using URL links). Plus, batch audio conversion is also supported by it. Descriptions defining both AAC and MP3 audio formats are also present on its interface. Besides AAC and MP3, it also supports FLAC, M4A, WAV, AC3, and OGG video and audio formats. Now, check out the below steps.

How to convert AAC to MP3 online using aspose.app:

Go to this website and access the AAC to MP3 converter.
After that, load one AAC file at a time.
Next, click on the Convert button to initiate the conversion process.

Additional Features:

A good set of handy tools such as Text to Speech, Media Cutter, Media Merger, File Splitter, and Audio Noise Remover.

Final Thoughts:

It is a simple and effective AAC to MP3 online converter website that anyone can use to convert multiple AAC files to MP3 audio format.

Pros	Cons
Can batch convert AAC audio files to MP3 format	Doesn’t let users adjust audio parameters
Can fetch audio files from online sources

Home Page

groupdocs.app

groupdocs.app is the last free AAC to MP3 online converter website. This website comes with a simple AAC to MP3 converter tool that can process one audio file at a time. And it cannot fetch files from online sources nor it can edit audio parameters. Now, check out the below steps.