Text to Voice

Click to choose a file or drop one here PDF, DOCX, or TXT

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Language

Voice tier

Voice

Speed 1.00x

Settings

Account

Sign in to sync your library, listening progress, and AI cleanups across devices.

Free tier mode

Stay within free tiers Hides Google's paid voices (Studio, Chirp 3 HD) and turns off AI auto-cleanup. Most people leave this on.

Voice engine

Browser (Web Speech API) Free, works offline. Voice quality varies by OS. Google Cloud Best voice quality — required for the public library. Use the beta key (250K chars/month included) or bring your own.

Google Cloud

API key

Get one at console.cloud.google.com → APIs & Services → Credentials. Restrict it to the Cloud Text-to-Speech API.

AI text cleanup (Claude)

Anthropic API key

Stored in your browser's localStorage. Get one at console.anthropic.com.

Model Auto-clean documents Run cleanup automatically after extracting PDF / DOCX / article text. When off, click the "Clean with AI" button manually. Soft monthly cap (USD)

Confirms before a cleanup that would push the monthly total past this cap. Leave blank or click "Disable cap" to remove the soft limit.

TTS Cost Tracker

Estimate based on characters synthesized this month. Verify actual usage at console.cloud.google.com.

Recently played

Every doc you've opened. AI-cleaned ones live in "Cached AI cleanups" below.

Cached AI cleanups

Library (archived)

Entries you've removed. Bring them back any time, or "Forget forever" to delete permanently (type "forget" to confirm).

Keyboard shortcuts

Space play / pause
← / → back / forward 15s
Shift+← / Shift+→ previous / next sentence

Diagnostic log

Diagnostic event log used for debugging drive / test sessions. Newest first. Tap Refresh after a test to update; Copy all to share with support.

Saved for later

No saved articles yet. Paste a URL above to queue one for later.

Free library

The free library will populate once today's Wikipedia article ingests, or as you ingest OpenStax / Standard Ebooks titles.