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Unlimited Text to Speech for Free: How It Works (and the Catch)

Most free text to speech tools cap you at a few thousand characters. Here's how to get unlimited free text to speech with voices that run on your own computer, and what the trade-offs are.

FreeVoice Reader Team
FreeVoice Reader Team
#Text to Speech#Local AI#Kokoro

You can get unlimited free text to speech by using a voice that runs on your own computer instead of a server. On Free Voice Reader, the local voices download once (roughly 90 to 330 MB (it depends on your browser)), then read any amount of text in your browser with no character limit, no account and no cost.

The catch is small but real: your computer does the work, so speed depends on your hardware. Here's how it works and when it's the right choice.

Why do most free text to speech tools have a limit?

Because cloud voices cost money to run. Every character sent to a cloud speech service uses paid server time, so free tiers cap how much you can convert.

You can see it in published pricing: ElevenLabs, for example, charges 1 credit per character for standard text to speech and gives 10,000 credits a month on its free plan. Our own free cloud voices read up to 5,000 characters per conversion for the same reason.

How can text to speech be unlimited and free?

When the voice model runs on your device, there's no per-character server cost to pass on. You download the model once, and from then on your own processor generates the speech.

That's what our local voices do. They're built on open models: Kokoro-82M, an 82-million-parameter model released under the Apache 2.0 license, and Supertonic. Both run inside your browser.

How do I use unlimited text to speech?

Open the tool, choose the local voice option, download the model once, then paste or upload as much text as you like. After the first download, the model loads from your browser's cache.

  1. Go to freevoicereader.com.
  2. Choose the local voice option and click Download (roughly 90 to 330 MB depending on your browser, one time).
  3. Paste text or click Upload for a PDF, Word file, EPUB or image.
  4. Pick a voice and press play.

What are the trade-offs?

Here's how local voices compare with the other ways to use Free Voice Reader:

Local voicesFree cloud voicesLifetime BoostSubscription
CostFreeFreeOne-time paymentAnnual plan
Characters per conversionNo limit5,0001,000,0001,000,000
Where speech is madeYour computerCloudCloudCloud
Text leaves your deviceNoYesYesYes
LanguagesEnglish (US and UK), Spanish, French, Hindi, Italian, Portuguese, Korean75Same as free cloud50+ including premium voices

The other trade-off is speed. A newer laptop generates audio faster than an older one, and a phone or low-power tablet may be slow. A recent desktop browser gives the best results.

Which languages work with unlimited local voices?

Kokoro includes US and UK English, Spanish, French, Hindi, Italian and Brazilian Portuguese voices. Supertonic covers English, Korean, Spanish, Portuguese and French.

If your language isn't on that list, the free cloud voices cover 75 languages, read 5,000 characters at a time. For Spanish specifically, see our Spanish text to speech guide.

Is local text to speech good enough for long documents?

Yes, and long documents are where it shines. Books, reports and long PDFs are exactly where a 5,000-character cap gets annoying, and where keeping text on your own computer matters most.

See EPUB to audiobook for a book-length walkthrough, and our earlier post on offline TTS for long-form audiobooks for a deeper look at the engines.

Frequently asked questions

Is it really unlimited?

Yes. Local voices have no character limit in our tool. The practical limits are your computer's speed and your patience.

Is my text private?

With local voices, the speech is generated in your browser and your text stays on your computer. Cloud voices send text to the speech service.

Do I need to sign up?

No. Local voices and free cloud voices both work without an account.

Can I download the audio as an MP3?

MP3 download comes with Lifetime Boost or a subscription. See our text to MP3 guide.

Try it with something long: download a local voice and paste in a whole chapter.

Transparency Notice: This article was written by AI, reviewed by humans. We fact-check all content for accuracy and ensure it provides genuine value to our readers.

Try Free Voice Reader for Mac

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  • Agent Mode - AI-powered processing
  • 100% Local - Private, no subscription

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