Realistic Text-to-SpeechAffordable & Flexible

Transform any text into natural-sounding speech using OpenAI voices. Perfect for content creators, educators, and businesses of all sizes. Try our text to speech service for high-quality, natural results.

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Powerful Features forEvery Need

Our cutting-edge technology allows you to effortlessly convert text to speech, providing natural voice content for various applications.

OpenAI Text-to-Speech voices

Experience the most natural OpenAI tts voices today. Our advanced neural networks generate lifelike speech with perfect intonation, ensuring top-tier performance.

Files to Audio

Easily convert text to speech from web pages, PDFs and EPUBs. Simply upload your content or use our Chrome extension to transform any written text into high-quality speech instantly.

Custom API Integration

Use your own API keys to convert text into speech with maximum flexibility at no cost, tailoring reading experience to your specific needs.

Multi-Platform Access

Use Readio anywhere with our web app, Chrome extension, and upcoming iOS app. Your voice content syncs seamlessly across all your devices.

Usage-Based Pricing

Pay only for what you use with character packs that never expire, making text to speech conversion cost-effective.

Explore Our Natural-Sounding AI Voices

Choose from our collection of natural-sounding voices in 140+ languages & accents

Alloy

Multi-Lingual

Echo

Multi-Lingual

Onyx

Multi-Lingual

Nova

Multi-Lingual

Shimmer

Multi-Lingual

Fable

Multi-Lingual

Mira

English (US)

Selene

English (US)

Aurie

English (US)

Ronan

English (US)

Fenrir

English (US)

Silas

English (US)

Celeste

English (UK)

Callum

English (UK)

Élodie

French (France)

Mizuki

Japanese (Japan)

Elara

English (US)

Ivy

English (US)

Daphne

English (US)

Luna

English (US)

Orion

English (US)

Benedict

English (UK)

Chisato

Japanese (Japan)

Takeshi

Japanese (Japan)

Tessa

English (US)

Kai

English (US)

Pax

English (US)

Harper

English (UK)

Iris

English (UK)

Lyra

English (US)

Ophelia

English (UK)

Edwin

English (UK)

Hikari

Japanese (Japan)

Ren

Japanese (Japan)

Choose the plan that works for you

Start with our free plan or upgrade for more features and characters. All plans include high-quality text-to-speech and essential features.

Get 1 extra month free while we improve the app and collect your feedback.

Free

$0

forever

Pro

$75

per year

Save 37% vs monthly

(equals $6.25/month)

Characters Pack

$18

per million chars

Core Features

Access to web app & Chrome extension
Read aloud web pages, PDFs and EPUBs
Text highlighting for better focus
Customizable reading speed
MP3 Download

Characters & Voices

300+ natural voices in 140+ languages
30+ Premium HD voices
Character limit
20,000/month
500K/month
1M (never expires)

Additional Features

File storage duration
Commercial usage for audio exports
In-Flow translation
Video dubbing on Youtube and Udemy
Priority email support

Frequently Asked Questions

Everything about our text-to-speech service

Readio, formerly known as OmniReader, is an AI-powered text to speech reading assistant.