Audio to text, convert mp3 to text

This is an online tool for recognition audio voice file(mp3,wav,ogg,wma etc) to text.

This tool base by CMU Sphinx, which a open source speech recognition toolkit from CMU. It is a free and online tool.

You just upload the audio file in below, then click “convert” to convert, then download the result text file.
Now only support recognition English.

This tool may take longer time to convert, please be patient. Maximum file upload can not exceed 3M. We estimate that convert 1M size MP3 file may takes 45 seconds.

Sample file download:

–update on 2017-01-19–
add a new recognition engine: baidu, which is better and faster than CMU Sphinx

Input Formats: mp3,wav,wma,ogg
Output Formats: txt
Options Setting:

Upload file size should be less than: 3M

Recognition Engine:

other mp3 tool: Online Voice Recorder
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File URL:
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(*This site does not store user uploaded files, all uploaded and converted files will be automatically deleted after 2 hours, By upload file you confirm that you understand and agree to our terms)