About eidosSpeech

Last updated: June 2026

eidosSpeech is a free text-to-speech (TTS) platform that turns written text into natural, human-sounding speech. We offer both an in-browser web app and a developer REST API, giving you access to more than 1,200 neural voices across 75+ languages — including English, Indonesian (Bahasa Indonesia), Japanese, Spanish, French, German, Korean, and many more. Everything is free to use, with no credit card required.

Our Mission

High-quality voice synthesis has traditionally been locked behind expensive subscriptions and complex enterprise contracts. We started eidosSpeech with a simple goal: make professional-grade text-to-speech accessible to everyone — students, independent creators, small developers, educators, and accessibility users — without paywalls or usage traps. We believe the web is better when its tools are open, fast, and genuinely free.

What You Can Do With eidosSpeech

How It Works

Our synthesis engine is powered by Microsoft Edge neural TTS voices. You type or paste your text, choose a language and voice, and optionally adjust speaking rate, pitch, and emotional style. The platform generates an MP3 file you can preview and download instantly. Developers can do the same programmatically by sending a request to our API and receiving audio in the response. Identical requests are cached so repeated generations return instantly and use fewer resources.

Who We Are

eidosSpeech is built and maintained by the eidosStack team, an independent group of developers building a family of free, privacy-respecting web tools and APIs. Alongside eidosSpeech, the eidosStack ecosystem includes OCR and other AI-powered developer utilities. The project is funded by its creators and, going forward, by non-intrusive advertising, which allows us to keep the core service free for everyone. You can learn more about the wider ecosystem at eidosstack.com.

How We Maintain Content Quality

We publish original tutorials, product updates, comparisons, and how-to guides on our blog, and we keep our API documentation current with every release. Content is written and reviewed by our team based on hands-on experience building and operating the platform. We update our public roadmap and changelog so users always know what is shipping next.

Privacy & Trust

We take data minimization seriously. The text you submit for synthesis is processed to generate audio and is not used to train AI models or sold to third parties. For full details on what we collect and why, see our Privacy Policy. Your use of the service is governed by our Terms of Service.

Publisher Information

Contact Us

Questions, feedback, partnership ideas, or a support issue? We'd love to hear from you. Reach us any time at support@eidosspeech.xyz or visit our contact page. We typically respond within 1–2 business days.