Text to Speech

Convert any text to audio using your browser built-in speech synthesis engine.

Text to Speech

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Uses your browser's built-in Web Speech API. Voice availability varies by browser and OS.

How to Use

1

Enter or paste your text

Type text directly or paste content from a document, article, or web page into the input area.

2

Select a voice

Choose from your system's available voices — Windows, macOS, and Android each offer different voice options.

3

Adjust rate, pitch, and volume

Set speech rate (0.5x–2x), pitch (natural to robotic range), and volume (0–100%) to your preference.

4

Play and control playback

Click 'Speak' to start, then pause, resume, or stop the reading as needed.

How Text to Speech Works

This tool uses the Web Speech API built into modern browsers. It leverages your operating system voice engine to synthesize speech. Voice quality and selection varies by browser and OS. Chrome and Edge typically offer the most voices.

Real-World Examples & Use Cases

Accessibility and Reading Support

Text-to-speech (TTS) is a critical accessibility tool for people with dyslexia, visual impairments, reading difficulties, or attention conditions like ADHD. Listening to content read aloud while following along visually (a technique called read-along) helps dyslexic readers process text more accurately. For sighted users with low vision, TTS provides an audio alternative to struggling with small or dense text. Screen readers for blind users are specialized TTS systems; browser TTS tools provide a quick, no-install option for casual use or testing.

Language Learning and Pronunciation Practice

Language learners use TTS to hear correct pronunciation of words, phrases, and sentences they're studying. Copying text from a foreign language learning platform, article, or textbook and hearing it synthesized helps learners internalize the correct sound of words they've only seen written. The ability to adjust speech rate makes it useful for beginners who need slower reading, while advanced learners can increase speed to practice comprehension at native pace. Pronunciation practice also benefits learners writing in their second language who want to verify their composition sounds natural.

Proofreading and Writing Review

Professional writers, bloggers, and content creators use TTS to proofread by listening. The human brain pattern-matches when reading silently, often skipping errors because it 'fills in' what it expects to see. Hearing text read aloud bypasses this visual pattern-matching and makes errors, awkward phrasing, run-on sentences, and missing words unmistakable. Just as editors read aloud in professional publishing workflows, TTS provides a fast way to do audio proofreading without another person reading the draft.

Multitasking and Passive Learning

Converting articles, research papers, study notes, or meeting summaries to speech allows listening while performing other activities — commuting, exercising, cooking, or cleaning. Rather than needing to sit and read, knowledge can be absorbed passively in audio form. Students convert study notes to speech for revision while away from a desk. Professionals convert long industry reports or research papers to audio for consumption during commutes. TTS enables consuming written content in contexts where looking at a screen is impractical.

How It Works

Web Speech API — SpeechSynthesis interface: Core API objects: - window.speechSynthesis: the speech synthesis controller - SpeechSynthesisUtterance: configures and holds text to speak Basic usage: const utterance = new SpeechSynthesisUtterance(text); utterance.voice = selectedVoice; // SpeechSynthesisVoice object utterance.rate = 1.0; // 0.1 to 10 (1.0 = normal speed) utterance.pitch = 1.0; // 0 to 2 (1.0 = normal pitch) utterance.volume = 1.0; // 0 to 1 window.speechSynthesis.speak(utterance); Voice listing: const voices = window.speechSynthesis.getVoices(); // Returns array of SpeechSynthesisVoice objects // Each voice has: name, lang, localService (boolean) // localService=true: offline OS voice; false: requires internet Playback controls: window.speechSynthesis.pause(); window.speechSynthesis.resume(); window.speechSynthesis.cancel(); Browser support: Chrome, Edge, Firefox, Safari — all modern browsers Voice availability: platform-dependent (OS-installed voices)

Frequently Asked Questions

Why do some browsers have more voices than others?▼
Voice availability depends on both the browser and the operating system. macOS provides high-quality Siri/system voices (Alex, Samantha, and 30+ languages). Windows 10/11 provides Microsoft David, Zira, and Mark. Chrome and Edge offer additional online voices (Google TTS and Microsoft Cognitive voices) when internet is available. Firefox uses only local OS voices. Mobile browsers inherit Android or iOS system voices. Chrome on Windows typically has the most voice options because it adds both Microsoft and Google voices.
Can I save or download the audio as an MP3 file?▼
The standard Web Speech API does not provide direct audio output as a downloadable file — it only plays through your device speakers. To save TTS audio as a file, you can use your operating system's audio recording feature (Windows: Stereo Mix or NVIDIA RTX Voice; macOS: SoundFlower or Blackhole) while the speech plays. For programmatic audio file generation from text, server-side TTS services like Google Cloud TTS, Amazon Polly, or Microsoft Azure Cognitive Services produce downloadable MP3 files.
What languages are supported?▼
Language support depends entirely on which language packs are installed on your operating system. Windows 11 supports 40+ languages via installed display language packs; macOS supports 60+ with voice downloads in System Preferences. Check your OS language settings to install additional voices. The 'lang' property of each SpeechSynthesisVoice tells you which language-region combination it supports (e.g. 'en-US', 'fr-FR', 'ja-JP'). Most major world languages are available on modern operating systems.
The speech is cutting off before finishing — what's happening?▼
Some browsers (particularly Chrome) have a known bug where long text strings cause the SpeechSynthesis API to stop unexpectedly. The workaround is to split long text into shorter chunks (under 200 words each) and speak them sequentially. Chrome also has a pause-and-resume bug that can be worked around by breaking text at sentence boundaries. Using Firefox or Edge typically avoids these Chrome-specific stability issues for longer content.
Is my text private when using this TTS tool?▼
Text processed by local (offline) voices never leaves your device — synthesis happens entirely in the browser using your OS voice engine. However, some browser voices (marked as non-local or online voices, particularly Google and Microsoft voices in Chrome/Edge) send text to cloud APIs for synthesis. If privacy is critical, select a voice labeled as a 'local' voice in the voice picker. The tool itself does not transmit your text to any external server.

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