ttsMP3

ttsMP3 is an online text-to-speech service that converts text to speech, lets you listen in the browser, and download MP3 files.

AI Speech Synthesis Text to Speech

Visit Website

What ttsMP3 does

ttsMP3 is an online text-to-speech service that turns written text into spoken audio and lets you download the result as an MP3 file. The site offers both Regular Voices, powered by Amazon Polly, and AI Voices, powered by OpenAI Text-To-Speech, so users can choose between SSML-style controls and more natural-sounding AI speech.

The service is set up for short-form conversion workflows such as e-learning, presentations, YouTube videos, accessibility content, and app or website automation through the API. Free use is available with daily character limits, while 1-year premium access includes API access and additional conversion capacity.

Core features

Text-to-speech conversion

Convert written text into spoken audio using either Regular Voices or AI Voices, depending on the style and language support you need.

Multi-language voice selection

Generate audio in multiple languages and accents, with regular voices listed at more than 28 supported voice languages and AI voices supporting a separate set of languages.

Online playback and MP3 download

Listen to the generated speech in the browser before downloading it as an MP3 file.

Regular voice speech controls

Use SSML-style controls with Regular Voices, including pauses, emphasis, speed, pitch, and whisper effects.

AI voice instructions

Add pauses and voice instructions for AI Voices, including guidance for identity, affect, tone, emotion, and pronunciation.

API access for premium users

Use the API to send text and receive a generated MP3 URL for apps, websites, and automated workflows.

Common use cases

E-learning content
Turn scripts, lesson prompts, and reading passages into downloadable audio for online learning materials.
Presentations and demos
Generate narration for product demos, slides, or internal presentations without recording a voice track manually.
Video narration
Create voice tracks for YouTube videos and other published media, with commercial reuse allowed for the generated MP3 files.
Accessibility workflows
Convert on-page or app text into spoken audio to support accessibility-focused experiences on websites and apps.
Developer automation
Use the API to automate text-to-speech conversion in applications, websites, or batch workflows.

Pros and Cons

Pros

Supports both browser-based listening and MP3 download.
Offers multiple voice languages and accents, with regular voices listed at more than 28 supported languages.
Provides practical voice controls for Regular Voices, including pauses, emphasis, speed, pitch, and whispering.
Includes AI Voices with voice instructions for identity, affect, tone, emotion, and pronunciation.
Allows commercial and non-commercial use of generated MP3 files without requiring attribution.

Cons

Daily character limits apply on the free tier, and the site notes separate limits for AI voices.
Some advanced controls differ by voice type: Regular Voices support SSML-style settings, while AI Voices do not offer the same direct pitch and tone adjustments.
API access requires a 1-year premium purchase and must be requested by email.

FAQ

Is ttsMP3 free to use?

Yes. ttsMP3 can be used for free with daily character limits. The regular voice converter currently offers up to 3,000 characters per day, and AI voices have a separate daily limit.

How do I convert text into an MP3 file?

Choose a voice, enter your text, and start the conversion. When the speech is generated, you can listen online and download the finished MP3 file.

Can I use the generated audio commercially?

Yes. The generated MP3 files can be used in commercial and non-commercial projects, including YouTube videos, presentations, websites, apps, and e-learning content. A backlink or mention is appreciated but not required.

Does ttsMP3 offer an API?

Yes. API access is included with every 1-year plan and must be requested by email after purchase. The API documentation is available at https://ttsmp3.com/apidoc.

What is the difference between Regular Voices and AI Voices?

Regular Voices are powered by Amazon Polly and support SSML features such as breaks, emphasis, speed, pitch, and whisper effects. AI Voices are powered by OpenAI Text-To-Speech and support pauses and voice instructions, but not the same direct pitch controls.