UD5 Toolkit
Speech Length Estimator – Online Words to Minutes
Paste your script and get an approximate speech duration based on slow/average/fast pace. Avoid overtime.
Tag: Speech Recognition & Dictation
9+ toolsSSML Marker Demo - Online TTS Events & Highlights
Use SSML <mark> tags to fire events during TTS. See text highlighted as it is spoken. Understand speech synthesis timing. local.
Speech Live Counter - Online Count Spoken Words
Speak into the mic and see a live transcript with word count. Uses the Web Speech API. Nothing is stored.
SSML Generator & TTS Demo - Online Speech Synthesis
Write SSML to control pitch, speed, and breaks. Play the generated speech with the browser’s TTS engine. Learn SSML.
Speech to Text Dictation - Online Live Transcribe
Use the Web Speech API to turn your spoken words into text with punctuation. Copy and paste anywhere. Privacy‑first.
Speech Recognition Tester - Online Web Speech API Demo
Test your browser's built‑in speech recognition. Speak and see the transcribed text appear live. Must‑have for voice app devs.
TTS Reader with Word Highlight - Online Speak & Read Along
Paste any text and have it read aloud while each spoken word is highlighted. Improve reading focus. Web Speech API.
Speech Timer – Online Practice Presentations with WPM
Paste your speech, set time limit, and practice with a pacing indicator (words per minute). Refine delivery.
Speech Synthesis Demo - Online Text to Voice with Controls
Write text and pick a voice, rate, and pitch to test your browser's speech synthesis capabilities. No download.