| What it does | AI copilot for web automation and page interaction
| Change the key of audio in your Chrome tab while keeping vocals natural
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| Stage | Not given
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| Founded | Not given
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| Based in | IN
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| Pricing model | Open source
| Free
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| Pricing | Not given
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| Key features | - Connect OpenAI, Anthropic, Google, xAI, Groq, OpenRouter or on-device models
- Keep API keys secure in your browser
- Live screen vision for understanding page state during automation
- Licensed under Apache 2.0 for review and contributions
- No subscriptions or accounts required
| - Pitch shift from −12 to +12 semitones
- Fine-tuning by ±50 cents
- Keep vocals natural mode enabled by default
- Preserves playback speed while changing pitch
- Works with YouTube, YouTube Music, Spotify Web, SoundCloud
- Video stays synchronized with processed audio
- Remembers pitch preferences for each song
- Keyboard shortcuts for pitch adjustment
- Processes audio locally with no uploads
- Powered by Key Changer Engine for natural pitch shifting
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| What makes it different | - Bring your own AI models and keep full control of your API keys
- Complete automation workflow with planning, execution, validation and output
- Everything runs locally in your browser with no data sent to servers
- Free to use with no subscriptions
| - Preserves natural vocal character while shifting pitch
- Processes audio locally in browser, no data uploaded
- Works with most major streaming platforms without additional setup
- Video stays perfectly synchronized with pitch-shifted audio
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 19 ● no change since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 13 | 12 |
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| Referring domains (Majestic) | 33 | 2 |
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Waffy
Key Changer