Upload your Reels clip, AI transcribes speech and burns karaoke captions right into the video. Every word highlights as it's spoken. Download the ready MP4 — post immediately.
MP4 or MOV, up to 3 minutes, no watermarks
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Most users scroll Instagram on mute. Subtitles retain attention — the algorithm sees watch time and shows the reel to more people.
The karaoke effect guides the eye word by word — viewers stay focused and watch to the end. That's a direct signal to Instagram's algorithm.
Stylish animated captions make your content stand out among thousands of generic Reels. Five presets — from bold to minimal.
Drop an MP4 or MOV into the browser. Up to 3 minutes, up to 200 MB.
The neural network assigns timings to every single word with millisecond precision.
Five presets: from bold Viral Pop to clean Corporate. Customize colors, size, and animation.
A ready MP4 with burned-in captions. Upload to Instagram with no extra processing needed.
Yes. 3 videos up to 3 minutes each — free, no watermarks, full quality.
MP4 and MOV, vertical 9:16, up to 200 MB, up to 3 minutes. Reelsub outputs a ready file at the same resolution.
English and Russian. Transcription runs through a neural network with millisecond accuracy per word.
Each word highlights exactly when it's spoken. Not a whole line at once, but word by word — like karaoke.
Instagram generates plain text with no styling. Reelsub burns karaoke captions with animation, colored accents, and customizable design directly into the video file.