Text to Speech (TTS)
Turn text into spoken audio with your browser's built-in voices — rate, pitch and voice control, zero uploads
~1 utterance · est. 4.6s at rate 1
This browser does not support speech synthesis. Chrome, Edge and Safari support it.
Related guides
Voice Dictation: Speaking Is Three Times Faster Than Typing
How browser speech recognition works, why it's Chromium-only, what happens to your audio, and making interim transcripts usable.
Fancy Fonts Are Just Unicode: How Social Bios Get Styled
Instagram bold and Discord fraktur aren't fonts at all — they're Mathematical Alphanumeric Symbols. The code-point math behind 19 styles.
OCR in the Browser: Tesseract, WASM and Why Preprocessing Matters
How a self-hosted Tesseract engine extracts text from screenshots inside your browser, and what grayscale + contrast stretching does to accuracy.
White, Pink, Brown: The Physics of Focus Noise
Why pink noise is the productivity favorite, how each color is synthesized mathematically, and mixing them live in the browser.
Related tools
Ambient Noise Generator
Blend white, pink and brown noise live in your browser — focus masking, tinnitus relief and sleep, with a built-in sleep timer.
Audio BPM Tap & Tempo Detector
Tap a beat or detect tempo from audio sample onsets with robust local signal analysis.
Audio dBFS, dBu, dBV & Voltage Converter
Convert digital and analog audio levels with professional and consumer references
Binaural Noise Synthesizer
Create binaural beats with white, pink, or brown noise
Metronome & Instrument Tuner
Keep visual tempo and tune instruments around an adjustable A4 reference.
Morse Spectrogram Decoder
Encode and decode Morse code audio with deterministic timing