UtilVox
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Text to Speech — Free Online TTS Tool

Convert text to natural human speech with neural AI precision.

0 / 5000 Characters0 Words

tuneVoice Configuration

Speed1.0x
Pitch1.0
Volume100%
Neural Synthesis ActiveIdle

Technical FAQ

Which voices are available?
UtilVox utilizes the Web Speech API to access all neural and standard voices installed on your operating system. The availability depends on your browser and OS (e.g., Siri on macOS, Microsoft Natural on Windows).
Is there a character limit?
The free tool supports up to 5,000 characters per conversion. This is optimized for low-latency synthesis and stable performance.
Can I download the audio files?
MP3 download is available for Chrome and Edge users. Other browsers may vary based on their recording API support.
How does word highlighting work?
We track the 'SpeechBoundary' events from the synthesis engine in real-time, allowing us to accurately map and highlight the spoken text within the workspace.

Hearing Your Text Changes How You Edit It

What people actually use TTS for

Text-to-speech long ago stopped being only an accessibility feature:

UseWhy audio helps
Proofreading your own writingEars catch what eyes skip — missing words, clunky rhythm
Reviewing while commuting or walkingDocuments become listenable
Language learnersHear pronunciation of written English
Voice-over drafts for videosTest script timing before recording
Reading fatigue / visual impairmentThe original and most important use

Getting natural-sounding output

TTS engines read punctuation as performance: commas pause, periods reset, and a wall of unpunctuated text becomes a breathless monotone. Short sentences render better than nested clauses. Spell out what must be said precisely — “Dr.” may become “doctor” or “drive” depending on context, and numbers like 2026 read differently as a year vs a quantity. A quick listen catches these before your audience does.

The proofreading loop

The strongest editing workflow stacks tools: fix mechanics with the grammar checker, then listen to the piece — awkward phrasing survives grammar checks but never survives being heard. Going the other direction, speech to text drafts by voice, and the word counter's speaking-time estimate tells you how long the audio will run before you generate it.