Test SSML pitch, rate, pauses and emphasis in the browser.
Include tags like <prosody> and <break>.
Zro7 parses supported tags and speaks the result.
Tune the tags until the delivery sounds right.
Zro7 supports the common tags — prosody rate/pitch, break time, emphasis and say-as — mapped onto the Web Speech API.
The Web Speech API is a subset of SSML. Advanced tags like <voice> require a full engine such as AWS Polly.
SSML previews use system voices, which cannot export audio. Use the plain Text-to-speech tool with Kokoro for WAV export.
Paste text, pick a voice, listen or export a WAV. Offline.
Paste article text and listen hands-free while you work.
Extract text from a PDF and read it out with natural voices.
Turn an EPUB into chapter-by-chapter narrated WAV files.
Assign a voice per script line and export a merged WAV scene.
Hear a word in multiple accents side-by-side — US, UK and more.
Mix TTS narration with a background music bed via WebAudio.
Drill vocabulary with TTS in 40+ languages — offline.
Zro7