25+ free audio books online that are actually worth your time

Finding free, high-quality audio books online can feel a lot like digging through a digital bargain bin. You know that the public domain is packed with incredible literature, but you also know that the quality of the recordings can be a bit of a mixed bag. 

As avid readers and audiobook listeners ourselves, we know how hit-or-miss free audio books can be. So to help you find the good stuff faster, we’ve put together this list of the very best free audio books online, based on three things that actually matter: narration quality, listening experience, and the staying power of the story itself. 

But before we get to our list of 25+ recommendations, it’s helpful to understand what “free audiobook” actually means online. 

How free audio books work online 

Most free audio books fall into one of three categories: public domain recordings, library-based borrowing, or text-to-speech tools.

Public domain recordings

The most common source of audio books is LibriVox, which is a volunteer-run platform that records books already in the public domain. That means the original text is no longer under copyright, so it can be legally read, recorded, downloaded, and shared. Classics by authors like Jane Austen, H.G. Wells, Mary Shelley, Charles Dickens, and Bram Stoker are all available this way.

The tradeoff, though, is that the quality can vary drastically. Some LibriVox recordings are excellent, with clear audio and thoughtful narration. Others sound more amateur because they’re recorded by volunteers using different equipment. In our experience, you’ll have the best luck if you seek out specific narrators and highly rated versions, rather than picking a recording at random.

Library-based apps

You can also find free audio books through library apps like Libby and Hoopla, which let you borrow modern audio books using a library card. These are usually professionally produced, but the availability of these recordings depends on your local library, and you may have to wait weeks to access popular audio books. 

AI reading apps with text-to-speech (TTS) technology

Then there are AI reading apps (like ElevenReader), which can turn PDFs, EPUBs, articles, and documents into audio. These are useful when a book or file you already own doesn’t have a free audiobook version. 

If you’re worried about that old-school, robotic TTS sound with AI readers, don’t be. AI technology has improved dramatically in recent years, and the quality of narration from these platforms is now remarkably close to a human voice.

For the purposes of this list, we focused mainly on public domain audio books that are easy to access, legally free, and enjoyable enough to actually finish. We’ve also included the preferred narrator, so you know what to search for. 

The best free science fiction and fantasy audio books

Science fiction and fantasy rely heavily on atmosphere, which means a bad narrator can completely ruin the experience. Here’s our top audiobook picks. 

1. The War of the Worlds by H.G. Wells

• Goodreads Rating: 3.83/5
• Listening Time: 6 hours 35 minutes
• Narrator: Mark F. Smith
• Vibe: Tense and cinematic

If you’ve ever wondered where the whole “alien invasion” trope really started, this is it. But it doesn’t feel like a dusty old classic. It feels surprisingly modern, and Wells really does have a way of building tension. 

Mark F. Smith’s narration is a big part of why this version works so well. He knows exactly when to slow things down and let the dread creep in, without overdoing it. It’s also short enough to get through in a couple of days during your commute or before bed, which makes it a great low-commitment entry into classic sci-fi. 

2. Frankenstein by Mary Shelley

• Goodreads Rating: 3.92/5
• Listening Time: 7 hours 59 minutes
• Narrator: Cori Samuel
• Vibe: Philosophical, haunting, tragic

If your only exposure to Frankenstein is movies or pop culture, this audiobook is going to completely change your perspective.

And despite popular belief, Frankenstein isn’t really a “monster story,” it’s more about obsession, regret, and what happens when you create something you don’t fully understand. Cori Samuel’s narration really carries this emotional weight here, giving both Victor and the creature the perfect intensity that brings this story to life. 

3. The Time Machine by H.G. Wells

• Goodreads Rating: 3.89/5
• Listening Time: 3 hours 5 minutes
• Narrator: Mark F. Smith
• Vibe: Dynamic, thought-provoking, brief

At just over three hours long, this novella by H.G. Wells introduced the idea of time travel that basically shaped an entire genre. The time travel itself is cool, sure, but what really makes it interesting is what Wells does with it. The future he imagines is a direct reflection of the social issues he saw in his own time, which is profoundly relevant today. 

This particular narration by Mark Smith is clean and easy to follow, which matters a lot in a story like this. 

4. A Princess of Mars by Edgar Rice Burroughs

• Goodreads Rating: 3.81/5
• Listening Time: 7 hours 42 minutes
• Narrator: Mark F. Smith
• Vibe: Escapist and fast-paced

Before Star Wars, before Dune, there was A Princess of Mars, a 1912 pulp adventure that’s been copied hundreds of times since. 

The basic premise is that a Civil War veteran is mysteriously transported to Mars, where he finds warring alien races, a dying civilization, and a princess worth fighting for. It’s pure escapism and features sword fights, alien creatures, and non-stop action across a vividly imagined world. 

This particular recording captures the breathless pace of the original serialized story perfectly. It’s lightweight, fun, and genuinely hard to stop listening to! 

5. The Island of Dr. Moreau by H.G. Wells

• Goodreads Rating: 3.73/5
• Listening Time: 4 hours 40 minutes
• Narrator: Bob Neufeld
• Vibe: Unsettling and philosophical

Yes, it’s another novel by H.G. Wells. But this novel really does have it all: a remote island, a mysterious scientist, and experiments that feel very wrong. However, what really makes this is the atmosphere. It’s super eerie and gets gradually more disturbing the longer you listen.

Bob Neufeld’s narration is straightforward, and he doesn’t try to sensationalize anything (which actually makes it creepier). It’s a shorter listen at just over four and a half hours, but it leaves you with a lot to think about, especially around ethics, science, and where the line between human and animal really sits.

6. Flatland: A Romance of Many Dimensions by Edwin A. Abbott

• Goodreads Rating: 3.81/5
• Listening Time: 4 hours 14 minutes
• Narrator: Ruth Golding
• Vibe: Witty, cerebral, one-of-a-kind

This is easily one of the strangest audio books on this list, but it’s also one of the most interesting.

At first, it sounds like a weird concept (a two-dimensional world?), but once you’re in, you’re in. And Ruth Golding does a fantastic job making something abstract feel understandable. She carries that sense of curiosity and confusion in a way that keeps you hooked, even when the ideas get a little out there.

This book isn’t for everyone, but if you like stories that make you think differently, this one is definitely worth your time.

7. The Lost World by Arthur Conan Doyle

• Goodreads Rating: 3.93/5
• Listening Time: 7 hours 8 minutes
• Narrator: Mark F. Smith
• Vibe: Adventurous, fun, old-school pulp

Before Michael Crichton wrote Jurassic Park, he was definitely reading this! 

Conan Doyle's 1912 adventure novel follows a team of explorers who find a remote South American plateau where dinosaurs and prehistoric creatures have survived into the modern era. The story is driven by the irresistible Professor Challenger, who is arguably one of the most entertaining characters in all of Victorian adventure fiction. 

This particular recording by Mark Smith captures his personality so well, and the pacing is tight enough to keep you gripped throughout. 

8. Dracula by Bram Stoker

• Goodreads Rating: 4.02/5
• Listening Time: 15 hours 39 minutes
• Narrator: Multiple voice actors 
• Vibe: Gothic, slow-burn horror, immersive

Because Dracula is told through letters, journal entries, and newspaper clippings, it just works really well as an audiobook. There’s a fantastic collaborative version of it on the LibriVox platform featuring different voice actors for different characters, which adds a ton of depth to the story. 

Stoker published the novel in 1897, and the slow build of dread across the first half remains extraordinarily effective. A lot of listeners are surprised by how genuinely frightening it is compared to the countless watered-down adaptations. So if you’ve never read the original, this recording is one of the best possible ways to experience it for the first time.

The best free philosophy and self-help audio books

Human nature hasn’t really changed much in the last two thousand years, and the advice found in these public domain texts remains every bit as applicable to modern life and personal growth as it was when first written. 

Here are our top picks for the best audio books in the philosophy and self-help space. 

9. The Art of War by Sun Tzu

• Goodreads Rating: 3.94/5
• Listening Time: 1 hour 9 minutes
• Narrator: Bob Neufeld
• Vibe: Sharp and strategic

Written in the fifth century BC, this ancient Chinese military essay is popular among business leaders, strategists, and anyone interested in the dynamics of conflict and competition. 

The thirteen short chapters cover topics like preparation, deception, adaptability, and the importance of knowing both yourself and your opponent. Several free audiobook versions exist, but the most recommended version is by Bob Neufeld and runs at around an hour; perfect for a commute!  

10. Walden by Henry David Thoreau

• Goodreads Rating: 3.77/5
• Listening Time: 11 hours 4 minutes
• Narrator: Multiple options
• Vibe: Meditative and opinionated

After spending two years living alone by Walden Pond, Henry David Thoreau wrote this deeply personal, and sometimes rambling, reflection on nature, simplicity, and intentional living. It’s not always an easy listen (he can be opinionated and a little long-winded), but the passages where he describes the natural world around him are genuinely beautiful, and the central argument for living deliberately rather than by default has never been more relevant. 

In our opinion, Walden is best experienced over the course of several long walks or your commute! 

11. Self-Reliance by Ralph Waldo Emerson

• Goodreads Rating: 4.00/5
• Listening Time: 1 hour 5 minutes
• Narrator: Multiple options
• Vibe: Passionate, provocative, dense

Ever felt like you’re constantly measuring yourself against other people? Self-Reliance is basically Emerson telling you to stop! 

First published in 1841, this essay is all about trusting your instincts and resisting the pressure to conform. The writing can be dense, but hearing it out loud makes a big difference. It flows better, and the ideas make a lot more sense. At just over an hour, it’s a short listen that leaves you with a lot to think about, especially if you’re at a crossroads and trying to figure out your own path. 

The best free mystery and thriller audio books

Pacing is everything in a thriller. And these audio books have got it all: tight plots, strong narration, and just enough tension to keep you listening “one more chapter” longer than you planned.

12. The Adventures of Sherlock Holmes by Arthur Conan Doyle

• Goodreads Rating: 4.30/5
• Listening Time: 11 hours 15 minutes
• Narrator: Mark F. Smith
• Vibe: Sharp and witty

You can’t really talk about mystery without Sherlock Holmes, and this collection is one of the best ways to experience him. It’s made up of twelve short cases, which makes it perfect for audio. Each story wraps up in a single sitting, so you can dip in and out as you please. One minute it’s blackmail involving royalty, the next it’s a missing racehorse (or something far stranger). 

This particular recording by Mark Smith perfectly captures Holmes's clipped, precise manner of speech without tipping into the realm of caricature, making it easily one of the most re-listenable picks on this list. 

13. The Hound of the Baskervilles by Arthur Conan Doyle

• Goodreads Rating: 4.13/5
• Listening Time: 6 hours 11 minutes
• Narrator: David Clarke
• Vibe: Atmospheric, gothic, gripping

If you want a full-length Holmes story, this is the one.

A man is found dead near his family estate, and locals are convinced a supernatural hound is to blame. Holmes, of course, isn’t buying it. But the deeper the investigation goes, the stranger things get.

What really stands out here is the atmosphere. The foggy moors of Dartmoor feel eerie and isolating, and that tension builds steadily throughout. David Clarke’s narration is superb, and he handles the tonal shifts between rational detective story and gothic horror with real skill. 

14. The Woman in White by Wilkie Collins

• Goodreads Rating: 4.07/5
• Listening Time: 25 hours 34 minutes
• Narrator: Multiple voice actors 
• Vibe: Intricate and atmospheric

Published in 1859 and widely considered one of the first mystery novels ever written, this is a gripping, atmospheric thriller involving mistaken identity, stolen fortunes, and dark secrets buried in the English countryside. 

Collins tells the story through multiple narrators, each revealing a different piece of the puzzle, which makes it really well-suited to audio. Our favorite audiobook version is the one available on LibriVox with multiple voice actors. They do an excellent job of making the whole thing feel more immersive, and it’s a lot easier to follow than you’d expect from a book this long.

15. The Secret Adversary by Agatha Christie

• Goodreads Rating: 3.88/5
• Listening Time: 7 hours 2 minutes
• Narrator: Multiple options
• Vibe: Playful, fast-paced, charming

Before she became the queen of the cozy murder mystery, Christie wrote this fast-paced 1922 espionage thriller introducing the detective duo Tommy and Tuppence. 

These two young friends, broke and bored after World War I, decide to advertise their services as “adventurers” for hire. They immediately find themselves entangled in a conspiracy involving a missing secret treaty and a shadowy criminal mastermind. 

It’s faster and a bit more playful than Christie’s later work, and the chemistry between the leads is what really carries the whole thing. If you want something lighter that still feels like a proper thriller, this is a great pick for an audiobook. 

16. The Thirty-Nine Steps by John Buchan

• Goodreads Rating: 3.80/5
• Listening Time: 4 hours 21 minutes
• Narrator: Adrian Praetzellis
• Vibe: Dynamic, spy-thriller classic

Thirty-Nine Steps by John Buchan is basically the blueprint for every “wrong man on the run” story that came after it. 

The premise is pretty straightforward: a bored man in London gets pulled into a conspiracy, and within days, he’s fleeing across the country with both the police and enemy agents chasing him. It moves quickly and doesn’t waste any time, which is always appreciated! 

At just over four hours, this is one of the most tightly paced audio books here. And once it gets going, it’s really hard to stop. 

17. The Moonstone by Wilkie Collins

• Goodreads Rating: 4.03/5
• Listening Time: 23 hours 10 minutes
• Narrator: Multiple voice actors  
• Vibe: Intricate and rewarding

If you want a mystery you can really sink into, this is it.

The Moonstone follows the theft of a priceless diamond from an English country house, but the real hook is how the story unfolds. Multiple narrators each tell their version of events, slowly revealing new details and shifting your understanding of what actually happened.

It’s intricate, and the audiobook format helps a lot by providing different voices for each perspective. It’s also pretty long at over 23 hours, but the plot is so carefully constructed and the payoff is without a doubt worth it. 

The best free classic literature audio books

Okay, these are the books you were supposed to read in high school but probably skipped. However, when you listen to them as an adult (without the pressure of an impending essay), you’ll soon realize exactly why they’ve survived for generations.

18. Pride and Prejudice by Jane Austen

• Goodreads Rating: 4.30/5
• Listening Time: 11 hours 35 minutes
• Narrator: Karen Savage
• Vibe: Witty, romantic, and sharp social comedy

Trust us when we say that Jane Austen's wit and humor really shine in audiobook format. The dialogue is snappy, the character dynamics are genuinely funny, and Elizabeth Bennet remains one of the most compelling protagonists in English literature. 

Published in 1813, Pride and Prejudice follows the Bennet family's attempts to secure advantageous marriages for their five daughters, but the real subject is the collision between doing what’s “proper” and doing what’s right. This particular recording by Karen Savage is widely recommended as the best free version available, as she has a way of capturing Austen's ironic tone perfectly. 

19. The Count of Monte Cristo by Alexandre Dumas

• Goodreads Rating: 4.33/5
• Listening Time: 104 hours (unabridged)
• Narrator: Multiple options
• Vibe: Epic, revenge-driven, operatic

The Count of Monte Cristo really is an epic tale. A man is betrayed, imprisoned, escapes, and then spends years carefully orchestrating revenge against the people who ruined his life. 

Despite the novel’s enormous length (coming in at over 100 hours long), the pacing is relentless. And the deeper you get, the more invested you become. This is definitely one of the most rewarding audiobook experiences available, and it’s definitely worth going all in with the unabridged version. 

20. Jane Eyre by Charlotte Brontë

• Goodreads Rating: 4.16/5
• Listening Time: 18 hours 36 minutes
• Narrator: Elizabeth Klett
• Vibe: Moody, Gothic romance

For a novel published in 1847, Jane Eyre feels surprisingly relevant for our world today. 

It’s centered around Jane, an independent and opinionated young woman who’s unwilling to compromise her values, even when it costs her. When she arrives at Thornfield Hall and meets the mysterious Mr. Rochester, the story shifts into something darker and a little unsettling. 

The first-person narration makes this book especially enjoyable to listen to in audio. It’s like you’re inside Jane’s perspective, and Elizabeth Klett’s performance as the reader captures Jane’s inner voice perfectly.

21. Great Expectations by Charles Dickens

• Goodreads Rating: 3.80/5
• Listening Time: 20 hours 26 minutes
• Narrator: Mark F. Smith
• Vibe: Character-driven and human

Dickens wrote his novels to be read aloud to audiences, so it makes sense that one of his greatest novels, Great Expectations, is also one of the best free audio books online. 

This story follows Pip, an orphan whose life changes overnight thanks to a mysterious benefactor. What starts as a classic “rags to riches” arc quickly turns into something a bit more complex, and the reader (or listener, in this case) is left contemplating the meaning of identity, ambition, and what it actually means to succeed.

There’s a big cast of memorable characters, and this narration by Mark Smith handles them all really well without becoming confusing. Trust us, this is one you’ll want to stick with! 

22. The Picture of Dorian Gray by Oscar Wilde

• Goodreads Rating: 4.13/5
• Listening Time: 8 hours 3 minutes
• Narrator: Multiple options
• Vibe: Witty, dark, morally unsettling

The Picture of Dorian Gray starts with a simple idea: what if you could stay young forever, and something else paid the price?

Oscar Wilde takes that concept and turns it into a sharp, unsettling exploration of vanity, morality, and influence. And the deeper you go, the darker it gets.

What really makes this novel stand out as a solid audiobook pick is the dialogue. It’s clever, biting, and often uncomfortably accurate. The audiobook format really brings that out, and it’s often cited as one of the most re-listened-to titles in the public domain catalog.

23. Wuthering Heights by Emily Brontë

• Goodreads Rating: 3.90/5
• Listening Time: 11 hours 33 minutes
• Narrator: Multiple options
• Vibe: Dark and obsessive

If you’re after a gentle, romantic love story, Wuthering Heights is definitely not it. It’s messy, obsessive, and sometimes outright brutal, and the character Heathcliff is one of the most compelling and disturbing protagonists in all of English literature. 

The structure can feel complex if you ever try to read it, as it has multiple narrators and timelines. However, in audio, it becomes much easier to follow. And once you’re in, it’s hard to stop listening! A lot of people who struggled with this in school ended up loving it later in life, and the fact that it’s more accessible as an audiobook has played a big part in that shift. 

24. The Age of Innocence by Edith Wharton

• Goodreads Rating: 3.97/5
• Listening Time: 9 hours 57 minutes
• Narrator: Multiple options
• Vibe: Precise, ironic, devastating

This book was actually a winner of the Pulitzer Prize in 1921, and it offers an inside look at the unspoken rules of high society in Gilded Age New York. 

The main character, Newland Archer, is a respectable lawyer engaged to a suitable young woman. However, when he falls in love with her unconventional cousin, the Countess Olenska, his carefully constructed life begins to unravel. 

Wharton's prose is precise, and the audio format suits the novel's controlled, ironic tone perfectly. It’s not as fast-paced compared to others on this list, but it’s still worth a listen if you appreciate character-driven storytelling.  

25. Middlemarch by George Eliot

• Goodreads Rating: 4.04/5
• Listening Time: 36 hours 15 minutes
• Narrator: Margaret Espaillat
• Vibe: Compelling and deeply human

Middlemarch has a reputation for being “serious,” and it is, but it’s also a lot more engaging than most people give it credit for. 

George Eliot builds an entire world inside a single town, following multiple lives as they overlap, collide, and slowly evolve. You really do get everything here: relationships, ambition, politics, idealism, and the tensions that happen when life doesn’t go as planned.  

Similar to The Age of Innocence, it takes a bit of patience to get into. However, by the halfway point, you’ll be fully invested in the lives of the characters. At over 36 hours, it’s a long listen, but it’s good, and listening to the audio version makes it easy to stay engaged with the storylines. 

26. Moby-Dick by Herman Melville

• Goodreads Rating: 3.57/5
• Listening Time: 24 hours 1 minute
• Narrator: Stewart Wills
• Vibe: Monumental, digressive, unforgettable

Let’s address the elephant in the room: yes, Moby Dick has chapters entirely dedicated to the anatomy of whales. Yes, it’s also pretty long. But, it’s worth it. 

Melville published this novel in 1851, and it was actually a commercial failure. But today, it’s considered one of the greatest American novels ever written. The core narrative of Captain Ahab's obsessive quest for the white whale is the central story, and Herman Melville mixes this narrative with all kinds of digressions. And while the prose can feel slow when reading them on the page, they’re actually pretty easy to get through in audio. 

It’s definitely a commitment at 24 hours. But if you stick with it, the ending alone makes it worth it! Plus, you get to say that you actually finished one of those books that a lot of people start but never finish.

How to listen to any book you want with ElevenReader

While public domain libraries are fantastic resources for free audio books online, they are inherently limited to older texts. And if you want to listen to a modern release, a recent bestseller, or a specific indie book that’s not available as a free audio recording, you usually have to pay a premium subscription fee.

However, there is a better way to build your audio library. If you have a PDF, an EPUB file, or a text document of a book, you can use an AI-powered reading app to generate your own high-quality audio version instantly.

For example, ElevenReader allows you to upload any text file and listen to it using the most advanced neural AI voices available today. Unlike the robotic, monotone text-to-speech tools built into your phone, these voices understand pacing, emotion, and natural inflection. You can adjust the reading speed and choose from dozens of different voice profiles, plus you can listen offline and on the go across devices. 

If you’d like to try it and see what all the fuss is about, give ElevenReader a go with a free trial today! 

Frequently asked questions about free audio books online

Are public domain audio books legal to download?

Yes. When a book enters the public domain, its copyright has expired, meaning the text belongs to the public. Volunteer organizations like LibriVox record these texts and release the audio files into the public domain as well, making them completely legal to download, share, and listen to.

However, it’s worth noting that not all audio books of public domain books are free, and modern recordings are often still copyrighted, even if the original text is not.

Why do some free audio books sound terrible?

Many free audio books are recorded by volunteers using their own home equipment. While the dedication of these volunteers is incredible, the lack of professional studio environments and standardized microphones means the audio quality can vary drastically from chapter to chapter.

Can I get modern bestsellers for free?

Legally, modern bestsellers are protected by copyright and are not available on public domain sites. However, you can access them for free by connecting a library card to apps like Libby or Hoopla, which allow you to borrow digital audio books from your local library network.

How can I listen to a PDF as an audiobook?

You can upload any PDF or text document to an AI reading app like ElevenReader. The app will extract the text and read it aloud using natural-sounding neural voices, effectively turning any document into a custom audiobook.

More on how to convert a PDF to audio here.