Kokoro TTS Studio

FreeStarting price

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About Kokoro TTS Studio

Kokoro TTS Studio is a browser-based workspace for converting written text into lifelike speech and transcribing audio or video into timestamped transcripts. The tool operates entirely in the user’s browser, processing data in-memory and auto-deleting files after 60 minutes to ensure privacy. It supports 41 AI voices across six languages, including English, Hindi, Spanish, French, Italian, and Portuguese, with granular controls for adjusting accent, speed, and playback. Users can export generated speech in MP3 or WAV format and transcripts in TXT, SRT, VTT, or JSON. The platform is designed for creators, podcasters, and professionals who need fast, private, and high-quality audio processing without requiring an account or software installation.

Key features

41 AI voices across six languages
MP3 and WAV export for speech
TXT, SRT, VTT, JSON export for transcripts
Word-level timestamping for transcripts
Adjustable playback speed (0.75× to 1.25×)
No account or installation required
Auto-deletion of files after 60 minutes
Responsive design for desktop, tablet, and smartphone

Use cases

Generating voiceovers for videos or podcasts
Transcribing meeting recordings into timestamped text
Creating subtitles for multimedia content

Pros

Browser-based with no account required
Supports 41 AI voices across six languages
Auto-deletes files after 60 minutes for privacy
Exports speech in MP3 and WAV, transcripts in SRT, VTT, TXT, JSON
Word-level timestamps for precise transcription

Cons

No desktop application, limited to browser use
Transcription limited to English only
Maximum 2,000 characters per text-to-speech script
Maximum 100MB file upload for transcription

Frequently asked questions about Kokoro TTS Studio

Is Kokoro TTS Studio free to use?

Yes, Kokoro TTS Studio is currently free to use. Users can generate speech and transcribe audio directly from their browser without creating an account.

Which audio formats are supported for transcription?

For transcription, Kokoro supports uploading MP3, WAV, M4A, AAC, MP4, WebM, and MOV files.

Can transcripts include timestamps?

Yes, transcripts can include timestamps at the sentence, paragraph, or word level to sync text with audio.

Can generated speech be downloaded?

Yes, generated speech can be downloaded in MP3 or WAV format directly from the Text to Speech workspace.

Are uploaded files stored permanently?

No, uploaded texts are processed in-memory and immediately wiped after synthesis. Uploaded media files and transcripts are automatically deleted after 60 minutes.

What languages and voices are available for text-to-speech?

Kokoro provides 41 AI voices across six languages: English, Hindi, Spanish, French, Italian, and Portuguese, with multiple voice profiles per language.