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AI Voice for YouTube Shorts in Japanese

Voice your Shorts with crisp AI narration that boosts retention and keeps the watch loop going. Generate them in Japanese with native-sounding AI voices.

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67 / 1,000
Free demo, no sign-up. 1,000 characters a day.Get 10,000 free credits

Features

Everything you need for YouTube Shorts voiceovers in Japanese

No studio. No microphone. No voice actors. Just type and generate.

  • Native Japanese Voices

    Authentic Japanese accent and pronunciation — not a generic robotic read.

  • Instant Voiceovers

    Type your script, pick a voice, and download in seconds.

  • 200+ Natural Voices

    Every accent, age and tone — across 30+ languages.

  • Retention-First Narration

    Tight, high-energy delivery that maximizes average view duration.

  • Same-Day Output

    Script to finished voiceover in under a minute.

  • Editor-Ready Files

    Drop MP3 or WAV straight into your Shorts timeline.

A sample script in Japanese

This script is already loaded in the demo above. Edit it or press Play to hear it.

SpeakSayへようこそ。最も自然なAIテキスト読み上げプラットフォームで、30以上の言語でスタジオ品質の音声を瞬時に生成できます。
Try this script in the live demo

Frequently asked questions

Yes — pick a Japanese voice in the demo above, paste your script, and download natural Japanese audio. The same 1,000 free characters per day apply.

Yes — generate up to 1,000 characters per day for free with no signup. Upgrade for unlimited characters, premium voices and a full commercial license.

You can download every clip as MP3 or WAV. On a paid plan the audio carries a full commercial license, so you can publish and monetize it anywhere.

SpeakSay uses neural TTS models with natural pacing, emphasis and emotion — purpose-built to keep viewers and listeners engaged.

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