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Free, no signup, MP3 download
Turn any PDF into an audiobook in minutes
Drag a PDF, pick a voice, hit Generate. FreeTTS pulls the chapters out, narrates each one with a real neural voice, and hands you MP3 files you can keep. 400+ voices. 75 languages. Built for people who would rather listen than read.
Updated April 2026 . Tested on PDFs up to 1,500 pages.
Files deleted after 1 hour 75+ languages 100 pages in about 2 minutes Loved by ADHD and dyslexia readers
No PDF handy? Try one of ours:
FreeTTS PDF to Audiobook . Quick Facts
What it does
Converts text PDFs into narrated audio chapters, MP3 download.
Format support
PDF (text). DOCX, EPUB, scanned PDFs (OCR) coming Q2 2026.
Output
Per-chapter MP3 + bundled ZIP. M4B with chapter markers on the roadmap.
Voices
400+ Microsoft Azure neural voices.
Languages
75+ including English, Spanish, Arabic, Mandarin, Hindi, French, German, Japanese.
Free tier
10 pages per day, MP3 with short audio tag, 5,000 chars per IP per day cap.
PRO ($19/mo)
500 pages per month, clean MP3, 1,000,000 chars per month, commercial license.
Roughly 100 pages in 2 minutes. Chapters render one after another.
Privacy
PDFs deleted from memory after extraction. Audio auto-deletes after 1 hour (free) or 7 days (PRO).
Underlying tech
Microsoft Azure Neural TTS via the public edge-tts pipeline. Same tech that powers Microsoft Edge Read Aloud.
What it is
What is a PDF audiobook, exactly?
Short version: it's a PDF that a computer reads out loud and hands back as audio files you can listen to anywhere. Same content, different format. The PDF is your book or paper or report. The audiobook is what you get after the AI voice reads it.
Why bother? Because most people read 200 to 300 words per minute but listen at 150 to 180. Slower, sure. But you can listen while you cook, walk, drive, fold laundry, do anything that doesn't need your eyes. That's hours of reading time you didn't have before. For people with dyslexia, ADHD, or vision issues, audio is not a luxury, it's the difference between finishing the book and not.
The old way to do this was to hire a narrator (slow, $200+ per hour) or use a paid app like Speechify ($139 a year, in-app only, no real export). The new way is to drop a PDF on a page like this one and get MP3 files in two minutes. Free.
FreeTTS does it with Microsoft Azure neural voices, which sound closer to a real human than the old robotic TTS you remember. Not perfect. Better than you'd expect.
Who it's for
Eight people who actually use this every day
Not "everyone benefits from audio". Actual specific use cases we keep seeing in our logs.
Students drowning in textbook PDFs
Convert a 400-page textbook into chapters you can listen to on the bus. Skip the dense parts you've already covered. Re-listen at 1.3x the night before a test.
ADHD readers
If a wall of text shuts your brain down in 90 seconds, audio buys you back the focus. Pace yourself. Listen on a walk. The book gets finished, not abandoned at chapter two.
Dyslexia and low vision
You've earned the right to skip the struggle. Pick a calm narrator voice, set the speed where you like it, and the PDF reads itself. No more re-reading the same paragraph four times.
Commuters and runners
That research paper you've been meaning to get through becomes a 12-minute commute companion. Same for industry reports, white papers, the boring PDF your boss sent.
Audiobook fans on a budget
Audible costs $15 a month and most books aren't on it. If you have the PDF or the public-domain text, you have the audiobook now. Free.
Language learners
Drop a Spanish or French or Mandarin PDF, pick a native voice, listen along while you read. Hearing pronunciation in context beats anything Duolingo throws at you.
Professionals with a 200-page report due
You don't have time to read it. You have time to half-listen to it on a Tuesday afternoon. Audiobook handoff fixes the "I haven't read the brief" problem.
Authors editing their own work
You wrote it. You've reread it 40 times. Your eyes lie to you now. Hearing it read out loud catches the awkward sentences your brain skipped over. Standard pro editor trick.
How it works
Three steps. Two minutes for a hundred pages.
1
Upload
Drop a PDF (or click). Up to 50 MB. We pull the text and look for the document outline (the table of contents PDFs ship with) to find chapters.
2
Pick a voice, edit chapters
Auto-suggested voice based on language. Rename chapters, deselect the cover or the index, change the speed. Whatever you want.
3
Generate and grab MP3s
Hit Generate. Each chapter renders to MP3 one after another. Listen in the player, download chapters, or grab the whole book as a ZIP.
How it stacks up
FreeTTS vs the usual suspects
Honest comparison. Each tool is good at something. Pick the one that fits your situation.
Tool
Free tier
Paid entry
PDF download
Languages
Best for
FreeTTS
10 pages/day, 5k chars
$19/mo (PRO)
MP3 + ZIP
75+
People who want files they can keep
Speechify
10 min/day, in-app only
$139/yr (Premium)
App playback only
30+
Polished mobile app, in-app listening
NaturalReader
20 min/day
$9.99/mo (Starter)
MP3 (paid)
23
Browser extension, dyslexia presets
Voice Aloud Reader
Free with ads
$4.99 ad-free
In-app only
40+
Quick mobile reading, no PC
Adobe Acrobat read aloud
Built in
Free if you own Acrobat
No export
~10
One-off listen, basic system voice
When to choose Speechify: if you live in their app and you don't care about owning the audio. Their narrator voices in the iOS app are excellent. They just don't let you walk away with the file.
When to choose NaturalReader: if you specifically need their dyslexia-tuned UI and the highlighted-text-as-it-reads feature. Their daily limit is the killer for long PDFs.
When to choose FreeTTS: if you want MP3 files you can keep, you care about the language coverage (75 vs Speechify's 30), and you don't want to pay $139 a year for something that should be free.
Get better results
Five tips from people who've done this a thousand times
Pick a narrator voice, not a chatty one
Andrew, Brian, Jenny, Ava . those are built for long-form. The casual conversational voices get tiring after twenty minutes.
Bump the speed to 0.95x
Default 1.0x can feel rushed for narration. 0.95 sounds calmer and more natural for fiction or research papers.
Deselect the front matter
Title page, copyright, table of contents, acknowledgments. Save your daily quota for the actual book.
Rename chapters with numbers in front
"01 The Beginning" sorts correctly when you import to your phone. Otherwise alphabetical sort scrambles them.
If the chapters look wrong, your PDF has no outline
That's fine. Just rename the auto-detected "Part 1, Part 2" rows yourself. Takes 30 seconds and the audio is identical.
Questions we get
The honest FAQ
Is FreeTTS PDF to Audiobook really free?▼
Yes. Free tier gives you 10 PDF pages per day, MP3 download, and a short FreeTTS audio tag at the start of each chapter. No card, no signup for casual use. PRO at $19/month removes the tag and lifts the cap to 500 pages/month.
What's the maximum PDF size?▼
50 MB on every plan. That covers basically every text PDF up to about 1,500 pages. If yours is bigger, it's probably scanned (high-res images), and OCR is coming Q2 2026.
Does it work on scanned PDFs?▼
Not yet. If your PDF is text (selectable, copyable text), we read it instantly. If it's a scan (pages are basically images), we can't extract anything. OCR is in the queue for Q2 2026.
Can I edit chapter titles before generating?▼
Yes. After upload you see every detected chapter with its title in an editable input. Click and rename. Deselect any chapter you want to skip.
How long does a 200-page book take?▼
About 4 to 6 minutes total. Extraction is a few seconds. The audio generation is the slow part because each chapter goes through Microsoft Azure neural TTS, but they render one after another.
Do you train AI on my PDFs?▼
No. PDFs are processed in memory, the extracted text is sent to Azure for synthesis, and the source file is gone after the request completes. We don't store, train, or share. Generated audio auto-deletes after 1 hour on free, 7 days on PRO.
Can I use the audio commercially?▼
Free tier is for personal use only and includes the FreeTTS audio tag. PRO and Creator both include a commercial license. So if you're turning a study guide into audio for your YouTube channel, you want PRO.
Is the chapter detection actually accurate?▼
If your PDF ships with an outline (most ebooks, most academic papers, most professionally produced PDFs), chapter detection is essentially perfect. Roughly 70% of PDFs we see have a usable outline. For the rest, we split the doc into evenly sized "Part 1, Part 2" rows you can rename in five seconds.
What languages does it support?▼
All 400+ voices and 75+ languages we support for normal TTS. Arabic, Spanish, Mandarin, Hindi, French, German, Japanese, Korean, Portuguese, Russian, every major one. We auto-suggest a voice based on the language we detect in your PDF.
Can I download the whole book as one file?▼
You can download every chapter as a single ZIP. A real M4B audiobook export with embedded chapter markers (the format Audible uses) is on the roadmap for PRO.
Does it work on mobile?▼
Yes. Drop the PDF on your phone, generate, download MP3s into Apple Files or any Android file manager, listen offline. Tested on iOS Safari and Chrome on Android.
Can I make an audiobook from EPUB or DOCX?▼
PDF only right now. EPUB support is the most-requested addition, on the roadmap. For DOCX, save it as PDF first, then upload.
What happens if generation fails on one chapter?▼
The other chapters keep going. The failed one shows a "Retry" button. Click it and we regenerate just that chapter. Your remaining quota isn't touched for the failed attempt.
Is there an API for this?▼
Yes. /developers has the docs. The /api/pdf/extract endpoint is open to PRO and Creator API keys. Audio generation goes through the standard /api/v1/tts endpoint.
How does it compare to Speechify?▼
Speechify is great if you want a polished mobile app and you're fine paying $139/year. They have better in-app reading UX. But you can't export the audio. FreeTTS gives you the file. Different tradeoff.
Free works fine for casual reading. PRO unlocks 500 pages/month, removes the audio tag, gives you the commercial license, and adds a 14-day money-back guarantee. No surprise fees.