| What it does | AI-powered Chrome extension that fixes typos and grammar mistakes before you send
| Change the key of audio in your Chrome tab while keeping vocals natural
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| Pricing model | Freemium
| Free
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| Pricing | Free plan: 100 corrections per month at $0. Pro plan: unlimited corrections at $6.99 per month. Ultimate plan: unlimited corrections at $49.99 per year.
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| Key features | - Works in chat boxes, emails, and text fields on supported platforms
- Browser-based correction without leaving your conversation
- Powered by Gemini AI for intelligent suggestions
- Supports multiple languages including French, Spanish, German, and Greek
- Faster correction response on premium plans
- Priority support with ticket system on premium plans
- Unlimited corrections on premium plans
- Continuously growing platform support
- Inspired by Google's "Did You Mean" suggestion feature
| - 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 | - Works directly in the platforms where you actually type, like Gmail, ChatGPT, and Messenger
- No account required for the free tier with 100 corrections per month
- All Gemini AI API costs are included in your subscription with no hidden fees
- Premium users get up to 5,000 corrections per month, more than 160 per day
- Simple setup after Chrome installation with no complex configuration needed
| - 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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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ▼ −1 (down) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 13 | 12 |
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| Referring domains (Majestic) | 27 | 2 |
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TypoGuard
Key Changer