How Browser Text-to-Speech (TTS) Reader & Speech Script Timer Works & When to Use It
Read any English or Hindi text aloud using your browser’s built-in `window.speechSynthesis` engine (with speed/pitch controls) and calculate exact voiceover duration at slow, normal, and fast narration speeds. Text is not sent to our hosting server. Your browser or operating system may use a remote speech service; avoid confidential text.
Step-by-Step Instructions
- Enter the labelled values or choose an example.
- Run the tool and review the result and its assumptions.
- Copy or download the result. Reset restores defaults; Undo restores the previous settings.
Worked Examples
| Scenario | Input Parameters | Example Output |
|---|---|---|
| 15-Word English Voiceover Script @ 1.0x Speed | {"text": "Welcome to Bharat Utility Hub. Calculate GST, Income Tax, and...", "rate": 1} |
6.7 Seconds (15 Words @ 1x Speed) |
| Fast 1.2x YouTube Shorts Hook Script | {"text": "Did you know a 10 percent flat rate loan actually costs nearl...", "rate": 1.2} |
7.8 Seconds (21 Words @ 1.2x Speed) |
Formula, reference and effective date
- Reference Standard / Authority: W3C Web Speech API (window.speechSynthesis) & Broadcast WPM Pacing
- Applicable Period / Effective Date: 2025-2026
- Privacy & Execution Mode: Browser speech service (local or remote voice) (None (Pure Vanilla JS))
Important Limitations & Edge Cases
Voice availability and processing depend on your browser and operating system. The default voice may use a remote speech service, even when other local voices are available. Avoid confidential text. Check the assumptions and output against your intended task before relying on the result.
Frequently Asked Questions (FAQs)
1. Is Browser Text-to-Speech (TTS) Reader & Speech Script Timer completely free to use without registration?
Yes. Every tool on Easy Tools Today is 100% free with no paywall, no sign-up, and no subscription required.
2. Are the numbers or files I enter uploaded to any server?
Text is not sent to our hosting server. Your browser or operating system may use a remote speech service; avoid confidential text.
3. What should I check before using the result?
Check the assumptions and output against your intended task before relying on the result. Reference: W3C Web Speech API (window.speechSynthesis) & Broadcast WPM Pacing.