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Free online MOBI to WAV converter

Convert MOBI ebook text to synthesized WAV speech with an online tool or desktop software.

Convert MOBI to WAV online - free

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How it works

  1. 1/3

    Upload your .mobi file

    Click to browse to select your file you want to convert or simply drag & drop your file into selected area.

  2. 2/3

    Perform .mobi to .wav conversion

    After successful file upload, click to convert when you are ready.

  3. 3/3

    Download converted .wav file

    Conversion result is ready to download.

How to convert mobi to wav file

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A MOBI ebook needs to become spoken audio when a player or editing workflow accepts WAV but not ebook files. The conversion uses text-to-speech; it does not extract a narrator recording from the MOBI.

What the MOBI format is

MOBI is an ebook format used for reflowable books on older Kindle devices and in ebook-reading software. Files may be created or converted with tools such as Calibre or the older Mobipocket Creator; MOBI files are often encountered in ebook libraries. A MOBI contains text and book structure, not necessarily recorded speech.

What the WAV format is

WAV is an audio container commonly used for uncompressed PCM sound. WAV files are widely supported by audio editors and playback software, and uncompressed audio is convenient to edit without adding lossy compression artifacts. The tradeoff is larger files than compressed formats such as MP3.

How to convert MOBI to WAV

Online on 101convert.com

  1. Open the MOBI-to-WAV converter on 101convert.com and upload the MOBI file. Multiple files can be added as a batch; each file is subject to the size limit shown on the page.
  2. Before converting, choose the voice language and reading speed.
  3. Start the conversion, then download the WAV file when it is ready.

Offline with desktop software

For a local conversion, use Calibre to extract the ebook text, then eSpeak NG to synthesize a WAV. Both are available for Windows, macOS, and Linux.

  1. In a terminal or command prompt, convert the ebook to plain text with Calibre:
ebook-convert "book.mobi" "book.txt"
  1. Synthesize the text as speech with eSpeak NG:
espeak-ng -v en -s 160 -w "book.wav" -f "book.txt"

Replace en with an installed voice code and adjust 160 to change the speaking rate. The command writes the result to book.wav.

Quality and limitations

The WAV contains synthesized speech, so voice quality and pronunciation depend on the selected text-to-speech voice and language. Plain-text extraction can omit ebook layout and may retain headers or other book text. Calibre may not convert DRM-protected MOBI files; use an unprotected copy.

Note: This mobi to wav conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.

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MOBI vs WAV: format comparison

How the MOBI and WAV formats compare on the properties that matter most for this conversion.

Comparison of the MOBI and WAV file formats
Property .MOBI Mobipocket eBook .WAV Waveform Audio File Format
Open standard No Partly open
Compression Both Both
Typical file size Small Large
Opens in a web browser No Yes, natively
Further editing Limited Easy
Metadata support Basic Basic
Plain-text readable No No
Best used for Publishing Music
Introduced 2000 1991
Developer Mobipocket SA (later Amazon for Kindle variants) Microsoft and IBM
MIME type application/x-mobipocket-ebook audio/wav
Open MOBI file Open WAV file

Information about file extensions and file types is provided by File-Extensions.org

Frequently asked questions

Is the MOBI to WAV converter free?

Yes, converting MOBI to WAV on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my MOBI file be?

You can upload MOBI files up to 10 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 1000 MB per file and 20 files at once, see our plans.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert MOBI to WAV?

No. The MOBI to WAV conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid MOBI file for this MOBI to WAV conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

mobi to txt mobi to webp

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