Repair your MP3 Online

Do you have an audio file such as MP3 that will not play correctly? If so, our free-to-use MP3 repair tools may be able to help. Our tool analyses the data contained within your MP3 audio file and is able to determine if the content is valid. Our tool will let you know what is wrong with your MP3 file and attempt to fix it.

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your MP3, once uploaded to our server, will be deleted 15 minutes after upload.
If our tool offers the option to repair your file, please ensure you download the repaired file within this time period.

How to Repair your MP3 Online?

Here are 3 simple steps to repair your MP3 using our fast and free repair tool.

Upload your MP3

Click the "Select File" button, then select a MP3 file. The maximum file size is 100MB.

Analysis and Repair

Your MP3 file will be analysed, and our tool will attempt to repair your MP3 file if possible.

Repair or Convert your MP3

Select an option to either repair or convert to receive your repaired MP3 file.

Frequently Asked Questions

Will the quality or bitrate of the MP3 file be affected?

No. Our MP3 repair tool will not adjust the quality of the repaired file.

Is it free to use the MP3 file repair tool?

Yes! Our MP3 repair tool is 100% free to use.

Are there any usage limits when repairing my MP3 file?

No, you can repair as many files as you wish. We do not have any limits when using our MP3 repair tool.

How long does it take to repair my MP3?

We aim to process MP3 repairs as quickly as possible; this usually takes around 5 seconds; however, this may be longer depending on the file size and data needed to be repaired.

What does the MP3 repair process involve?

Once your MP3 has been selected, it will undergo some initial checks to verify that the file has some basic information. If the initial checks pass, we then upload the file to our servers for more detailed analysis.

Is it safe to repair my MP3 on

Yes, of course it is! Your MP3, once repaired, is deleted 15 minutes after upload, and any download link will expire after this time.

Can I repair my MP3 on Windows, Linux, Android, iOS or Mac OS?

Yes! Our MP3 repair tool will run on any system with a modern web browser.

MP3 file format information

Full NameMPEG-2 Audio Layer III
Mime Typeaudio/mpeg

MP3 files are a well-known file format for the storage and playback of music and digital audio. The MP3 format has been around for a long time and has become a standard format for music. Despite newer formats arriving, such as AAC, MP3 still remains the primary choice for digital music playback.

It's highly efficient compression methods allow what would otherwise be very large audio data to be compressed down to a fraction of its size with little noticeable difference in quality. The quality, or bit rate, can be specified from 96KB/s (low quality) to 320KB/s (high quality). Naturally, the higher the bit rate, the larger the final MP3 file.

MP3 files are synonymous with digital music and are therefore supported by all major audio and music editing and playback software. Major operating systems and platforms often have built-in support for the playback of MP3 files.

Repairing a MP3 File

MP3 Audio File Header Data

Due to the desire to keep MP3 files as small as possible, most audio file formats store the audio data in a binary format. Often, this is also compressed using special techniques to further reduce the file size without any discernible loss in quality. As the file formats are generally binary, they will have a certain sequence of bytes preceding the sound data at the beginning of the file which is often referred to as the header. Our MP3 repair tool is able to read this data from the header sequence and determine not only the type of file but also the length of the audio track, the number of channels, metadata, and more.

Audio Channels

Most MP3 files will contain two channels of audio data, which make up the stereo sound heard when playing the file. Other files may only have one, and some may have more than two. Our tool will analyse each channel separately and repair what it can. Where a channel is irreparable, the channel will be removed from the final repaired file.

Audio Quality and Bitrate

The bitrate (aka quality) of any repaired audio file will remain as it was in the original file. Our tools will not change this setting.

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