4 Best Ways to Convert EPUB to Audiobook Using AI Text to Speech Online in 2024

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4 Best Ways to Convert EPUB to Audiobook Using AI Text to Speech Online in 2024

Last Updated: 2024. 01. 11

Converting EPUB to an audiobook offers you the flexibility to listen to your eBooks rather than reading them with a Kindle, esp during your busy commute or when you are working out at the gym, doing chores or even driving, etc.

So, if you are planning to ditch the Kindle and immerse yourself in your eBooks by converting EPUB to audiobooks, we’ve got you covered!

In this tutorial, we will walk you through the 4 best EPUB to audiobook converters that allow you to seamlessly convert EPUB to audiobook online in MP3 format. So, you can enjoy your eBooks effortlessly, anytime, anywhere.

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Here’s What You Will Learn:

Convert EPUB to Audiobook by NaturalReader

Convert EPUB to Audiobook by FlexClip

Convert EPUB to Audiobook by ElevenLabs

Convert EPUB to Audiobook by Narakeet

Also, read the 4 best ways to convert SRT to speech.

1. Convert EPUB to Audiobook by NaturalReader

If all you need is to convert EPUB to audiobook without editing the AI-generated voices and audio mixing with music, and sound effects, the easy-to-use and cross-platform NaturalRealder will promise you a hassle-free experience for converting EPUB to audiobook online.

Convert EPUB to audiobook by NaturalReader online.

Best Features to Convert EPUB to Audiobook with NaturalReader:

Upload EPUB, PDF, TXT, PNG, JPG, etc. to NaturalReader and have it converted to audiobook in one click.

As the name suggests, NaturalReader offers you 130+ natural-sounding AI voice avatars to choose from across 20+ languages and dialects to convert EPUB to audiobooks.

Use filters to skip unimportant content in the EPUB ebooks, such as skipping text in the round/square/curly brackets, and skipping reading URLs, subscripts, and vertical directions, text in table and graphics, which is quite helpful for an immersive listening experience.

Highlight words in the eBooks and set a timer for auto-reading to stop.

The auto-scroll feature makes it easy for you to follow the text while listening to the audio.

Download converted audiobooks in MP3 format to your computer.

It’s available online and for IOS, Android, and Windows users.

How to Convert EPUB to Audiobook by NaturalReader:

Step 1

Access NatualReader’s official website > click Add Files > Document > upload your EPUB eBook to Natural Reader.

Step 2

Once the EPUB file is uploaded to NaturalReader > click the AI voice profile icon to select the target language > preview and select an ideal AI voice > hit the Play button to convert EPUB to audiobook.

Step 3

On the top right corner, you can use AI filters to skip unwanted text to be read out or highlight and search specific words.

Step 4

Click the three dots icon on the top right corner > click the Download button to save the converted audiobook in MP3 format to your computer.

Downside:

Can’t tailor AI voices’ voice style, pitch, natural pauses.

It’s a single-purpose EPUB to audiobook converter and ebook reader, with no music, sound effects, and audio editing tools available.

2. Convert EPUB to Audiobook by FlexClip

Beyond your own enjoyment, if you are running blog posts, podcasts, YouTube, TikTok, and more simultaneously, and prefer a more versatile EPUB to Audiobook converter that can convert EPUB to audiobook and compelling videos, in this case, the user-friendly and feature-rich FlexClip AI video maker deserves to be your best bet.

Seamlessly convert EPUB to audiobooks and videos by FlexClip online.

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Best Features to Convert EPUB to Audiobook with FlexClip:

Copy and paste text from EPUB ebooks and use FlexClip’s versatile text-to-speech generator to effortlessly convert EPUB to audiobook. You have 400 AI voice avatars to select from in 140 languages and diverse accents. You can tailor the AI voice’s gender, age, and voice styles (14), speed, pitch, and natural pauses. Besides, it also supports SRT, VTT, SRT, VTT, LRC, SSA, SUB, ASS, and SBV for text-to-speech conversion.

Convert EPUB to audiobooks by FlexClip AI video maker online.

Use Free TTS

As opposed to other single-purpose EPUB to audiobook converters, you can choose from 74,000+ royalty-free and studio-like music tracks and sound effects for audio mixing with AI-generated voices. You can easily trim, split, or adjust the volume of audio tracks, and layer background music and ambient sound effects below AI voices to create depth, bringing the eBook story to life.

Blend audiobooks with royalty-free music and sound effects for audio mixing.

For video content creators, you can use dozens of designer-made and fully customizable book trailer video templates to repurpose your converted audiobooks into cinematic video content for sharing on YouTube, Facebook, TikTok and other video hosting platforms. With easy drags and drops of your images and clips, you can create fascinating video content in minutes.

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Romance Audiobook Trailer

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Narrative Audiobook

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In addition, to take your audio and video content creation up a notch, FlexClip also empowers you with other handy AI tools to transform your EPUB into an epic video content. From the AI video script generator, fueled by ChatGPT, to text-to-image generator, text-to-video generator, AI auto subtitle generator, AI image background remover, and audio extractor, you can enrich the audiobook with engaging visuals and create scroll-stopping video in a breeze.

Effortlessly convert text to AI images to add visuals to your audiobook.

Convert Text to Image

FlexClip supports exporting the project in MP3, 1080P MP4 video and GIF. You can directly share the video to YouTube, Google Drive, One Drive, Dropbox, or TikTok; a clickable link is also available for your blog posts, newsletters, or other repurposings.

How to Convert EPUB to Audiobook by FlexClip:

Step 1

Open your EPUB eBooks with an e-reader like Adobe Digital Edition > copy and paste the text from EPUB eBook in the first chapter.

Duplicate text from EPUB file.

Step 2

Convert EPUB to audiobook.

Access FlexClip > click the Tools tab > text to speech > paste the EPUB text into the text block > select the target language > preview and select an AI voice avatar to your liking > set the voice style (chat, friendly, hopeful, whispering, angry, shouting, sad, etc.), voice speed, pitch > hit the Generate Audio button.

Convert EPUB to realistic AI voices for audiobooks in MP3 format.

Use Free TTS

Next, you can preview the AI-generated voice > click the “+ Save to Media” to save the AI voice to the media library. Meanwhile, an extra MP3 audio file will also be saved to your computer for backup. Pretty helpful. Then repeat the same step to convert the rest of EPUB ebook to audiobook.

Preview the AI-generated voice and save it to the media library.

A small trick is that you can insert commas or periods between words to add natural pauses to make the AI voices hyper-realistic.

Insert commas or periods to add natural pauses to AI voices.

Then, set an estimated time for all the audiobooks > head back to the Media tab > Audio > align all the AI voices in sequence to the intuitive timeline. You can trim or split the audio or adjust the audio’s volume when needed.

Set estimated time and align all AI voices to the timeline.

Step 3

Add royalty-free music and sound effects to create vibes and emotions in your audiobook.

Click the Audio tab > Based on the theme and mood in different chapters of your ebooks, you can search for happy, relaxing, inspiring or other instrumental music for the background music > click the Sound Effect tab and look for ambient sounds like footsteps, beach ambience, crowds, etc. to create a real-world auditory experience for the listeners.

Blend audiobook with background music and ambient sound effects.

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Just make sure the ambient sound and BGM are lower than the AI voiceovers. Of course, you can upload your own audio as well or extract audio from copyright-free video for your project. All you need to do is import a video > right-click on it > select 'detach audio' to extract audio from video for audio mixing.

Extract audio from non-copyrighted video for your audiobook project.

Step 4

Preview and share.

Done with the editing. You can click the Export button > Audio > save the audiobook in MP3 format for free to your computer.

Save the edited audiobook in MP3 format for free.

Alternatively, if you want to share the audiobook on YouTube, you can upload images and clips and layer them over the screen. Or click the Photo and Video tabs to choose from 4M+ high-quality stock photos and videos for your use. Click the Text tab to add animated text with ease.

Add stock images or clips for audiobook visuals.

In addition, you can click the Tools tab > AI Image Generator > use text prompts to create AI-generated images for the storytelling of your audiobook. There are 17 image styles to choose from, such as double exposure, painting, retro, oil painting, digital painting, anime, cartoon, 3D, inkpunk, papercut, creative, voxel, colorful, etc. Please feel free to experiment with.

Convert text to AI images for your audiobook.

Convert Text to Image Now

What’s more, you can use AI auto subtitle to auto-transcribe audio to text for burned-in subtitles in the video with up to 95% accuracy, ensuring that your video content is accessible to all viewers. Just click the Subtitle tab > Auto AI Subtitle > identify the language > hit Next > select the style of subtitle, which can be changed later > press the Generate button.

Auto-transcribe audio to text for burned-in subtitles in one click.

Transcribe Audio to Text Now

Edit and stylize auto-generate subtitles and download subtitles in srt and other formats.

Downside:

Can’t directly import EPUB files to convert them to audiobooks.

Not all the 400 AI voices have voice styles to choose from.

3. Convert EPUB to Audiobook by ElevenLabs

If you need a flexible EPUB to Audiobook converter that supports both EPUB file imports and easy assignment of different AI voices to different characters in the ebook, with hyper-realistic AI voices, then versatile ElevenLabs is your best choice in the online text-to-speech league.

Convert EPUB to audiobook by ElevenLabs.

Best Features to Convert EPUB to Audiobook with ElevenLabs:

Directly import EPUB, PDF, TXT, or URL to convert text to hyper-realistic AI voices for your audiobooks. There are 120 lifelike AI voice avatars available across 29 languages.

You can easily assign an AI voice for a character in a chapter with controls over his/her voice stability, clarity, and similarity.

Drag and drop to decide which chapter or paragraph needs to be converted to audiobook first.

Easily regenerate the audio for any parts of the EPUB ebooks.

For subscribed users, you can create an AI voice from scratch or use AI voice in the ElevenLabs voice community.

How to Convert EPUB to Audiobook by ElevenLabs:

Effortlessly convert EPUB to audiobook using ElevenLabs’ project feature.

Step 1

Sign up free for ElevenLabs > subscribe to its Creator Plan because the project feature is only available to subscribed users > click the Project tab > click Create New Project > select “Initialize a project from a document (epub, pdf, txt, html)”.

Step 2

Import your EPUB to ElevenLabs.

Name your project > select AI voice > choose the language model > set the voice quality (standard, high, ultra)> drag and drop to upload your epub ebooks to ElevenLabs > click the Create button.

Step 3

Convert EPUB to audiobook.

Click the Select button on the right side > you can remove unwanted chapters or rename and reorder the chapters. In the Paragraph Setting, you can tailor an AI voice for different chapters > set the AI voice style, such as stability, clarity, similarity and exaggeration > click the Convert button on the top right corner to convert selected chapters or the entire EPUB to audiobook.

Step 4

Once the conversion is finished, you can click the Version button for each chapter > click the Play button to preview the audiobook > click the download button to save the audiobook in MP3 to your computer.

Downside:

Limited AI voices and languages available.

For free users, you don’t have free credits to use the Project feature to convert EPUB to audiobook.

4. Convert EPUB to Audiobook by Narakeet

Finally, another viable option to swiftly convert EPUB to audiobook is using Narakeet, a minimalistic and intuitive online EPUB to audiobook converter and text-to-speech generator. With Nararkeet, you can upload EPUB and select from tons of AI voices to convert EPUB to natural-sounding audiobooks.

Convert EPUB to audiobook by Narakeet.

Best Features to Convert EPUB to Audiobook with Narakeet:

Upload EPUB, PDF, DOC, RTF, SRT, etc. and convert it to audiobook with the click of a button.

Select from a massive 700 AI voices across 90 languages to convert EPUB to audiobook. You can customize the AI voice’s gender, age, speed, and volume.

Export the converted audiobook in MP3, M4A, or WAV format and save it in a single audio file, audio+ closed subtitles, or one audio file per scene.

The minimal interface is extremely easy to use.

How to Convert EPUB to Audiobook by Narakeet:

Convert EPUB to Audiobook by Narakeet online.

Step 1

Access Narakeet > sign in your account > click Create a new audio file from a script > click Upload File to import your EPUB file.

Step 2

Select an AI voice and convert EPUB to audiobook.

Once the EPUB ebook is successfully uploaded to Narakeet, there will be an estimated duration shown. Next, you can manually delete the unneeded content in the text block > select the language and accent > preview and choose an ideal AI voice > set AI voice volume, speed, export audio and file format > click the Create Audio button to convert EPUB to audiobook.

Step 3

Preview the converted audiobook > click the download button to save the audiobook to your computer.

Downside:

Only subscribed users can upload EPUB files more than 10MB.

Can’t customize voice styles of AI voice.

No video and audio assets and tools to edit the audiobook.

Now, It’s Your Move

In a nutshell, converting EPUB to audiobook allows you to easily consume your ebooks through listening while engaging in other activities. So, please feel free to experiment with all the EPUB to audiobook converters above and share this post on your Facebook or Twitter (X) to let us know which one resonates with you most. Cheers to a new chapter in your reading journey!

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Frank /

Passionate about photography, video-making and travel, Frank is a seasoned copywriter and a beloved father of 2-year-old daughter at FlexClip. He is always keen to share his latest discovery about video marketing and tricks to relive your memories through videos and images.