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Growth · March 17, 2026

SubSpark

Auto-generate karaoke subtitles for your videos — in seconds

SubSpark launched on March 17, 2026.

What it does

Add viral subtitles to your videos in seconds with AI. Karaoke, neon, bold styles. Perfect for TikTok, Instagram Reels and YouTube Shorts. Free to try.

Drop your video. Get viral-ready subtitles in seconds. Karaoke, neon, bold — your content, amplified. Drop any video file up to 500MB. MP4, MOV, AVI, MKV — we handle them all. Groq Whisper AI transcribes your audio in seconds with word-level timestamps. Pick your style, burn the subtitles, download your video. Ready to post. Join creators who already use SubSpark to amplify theirfrom subspark.net

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