Synced to the sound
Most caption tools just drop text over the clip. Xenaxio times each word to the audio, so the highlight rides the rhythm — which is exactly what holds attention in vertical feeds.
AI captions synced to your audio
Captions that don't just sit on top of the video but move with the audio — word-by-word highlight, timed to the beat, auto-placed in the safe zone for Reels, Shorts and TikTok. Built for music clips and podcast cuts. Drop your audio, review the transcript, export.
Specs
- Timing
- Word-level, synced to the audio
- Placement
- Auto safe-zone for Reels / Shorts / TikTok
- Style
- Karaoke word-highlight presets
- Source
- Auto-transcribed, fully editable
- Render
- Local, no cloud queue
- Cost
- Free editor; transcription on metered credits
Why Xenaxio for this
Made for sound-off feeds
Most short video is watched on mute. Captions in the safe zone, away from platform UI, are what makes a clip actually land. We auto-place them per aspect ratio.
Editable transcript
The transcription is a draft you can fix in a click — names, punctuation, line breaks. No black box.
Real local render
No queue, no upload-and-wait. Export a captioned MP4 on your own hardware.
From audio to upload in three steps
01
Drop your audio or clip
The AI transcribes it with word-level timing.
02
Review & style
Fix any words, pick a caption style, and the lines auto-place in the safe zone.
03
Export
Render a captioned vertical MP4 for Reels, Shorts or TikTok.
Templates that work well here
All 310 templates →FAQ
What does it cost?
The editor is free. Transcription runs on metered AI credits — you pay only for what you transcribe, no subscription. Editing the captions afterward is free.
Will it work for podcasts and talking clips, not just music?
Yes — that's a primary use case. Word-level captions for podcast cuts and talking-head clips are exactly what this is for.
Can I edit the captions?
Yes. The transcript is an editable draft — fix wording, line breaks and timing before you export.
Ready to render?
Open the editor — free, no install, no render queue.
Open Xenaxio →