| What it does | AI vocal and music separator for creating acapellas, instrumentals, and karaoke tracks
| Auto captions for TikTok, Reels, and Shorts
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| Stage | Not given
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| Freemium
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| Pricing | Free tier: 30-second preview without sign-in, 1 minute free downloads after sign-in, 10 clips up to 30 seconds daily. Pro: $9.99/month for 20 hours monthly. Pay-as-you-go: 20 Minute Pack $1.99, 1 Hour Pack $4.99, 10 Hour Pack $14.99.
| Free: $0 forever, 5 videos per month up to 3 min each. Starter: $6/month, 15 videos per month up to 5 min each. Pro: $12/month, 30 videos per month up to 10 min each. Business: $36/month, 100 videos per month up to 10 min each. All paid plans billed monthly with no commitment and cancel anytime.
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| Key features | - BS-RoFormer AI model for source separation with 18.10 dB instrumental SDR on MVSEP leaderboard
- Supports MP3, WAV, FLAC, AIFF, M4A, AAC, OGG, OPUS audio and MP4, MOV, M4V, WEBM, MKV video up to 2 GB
- Returns both tracks as 44.1 kHz, 16-bit WAV or MP3 with sample alignment
- Speed control from 50% to 150% without changing pitch
- Key shift up or down by up to 6 semitones without changing speed
- BPM and key detection on acapella extractor
- 24-bit WAV output option at 44.1 or 48 kHz on acapella extractor
- Remove background noise, hum, fans, traffic, and room echo from speech
| - Automatic transcription with punctuation and speaker detection
- AI word-by-word caption styling with emphasis and emojis
- Scene grouping and automatic look assignment
- Multi-speaker detection with per-speaker styling
- Customizable templates for TikTok, Reels, and Shorts
- Full transcript editing: rewrite words, retime scenes, split lines
- Captions burned into video frames for universal playback
- Support for 93 languages including English, Spanish, Portuguese, French, German, Italian, Dutch, Russian, Japanese, Mandarin, and more
- Browser-based export at any resolution including 4K
- Local version: privacy-first, in-browser, no uploads or accounts
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| What makes it different | - Uses AI source separation instead of phase cancellation, keeping bass and drums intact
- Automatic file deletion after 24 hours for privacy
- Fast processing on dedicated cloud GPUs with instant preview as upload begins
| - Animated captions with word-by-word reveal and per-word emphasis, which cannot be expressed in subtitle formats
- Captions built into the video play identically on TikTok, Reels, Shorts and everywhere else, unlike subtitle tracks which these platforms ignore
- AI automatically picks the words that matter and gives them emphasis for each scene
- Free tier requires no account, no card, and allows full editing and export before signup
- Fully customizable templates with raw CSS editing and SVG filter support for pixel-perfect control
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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 |
| DR (Domain Rating by Ahrefs) | 5 ▲ +3 (up) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 0 | 1 |
| Citation Flow (Majestic) | 0 | 19 |
| Referring domains (Majestic) | 0 | 10 |