AI Captions

AI captions for short-form video — in a minute

Upload your clip, pick a style, download a video with burned-in karaoke captions. No manual timecodes, no editor marathons. We automatically transcribe speech and highlight every spoken word with beautiful animations.

Start for free

No credit card required. No watermarks.

REC [LIVE]MEM: 99%
Reelsub — karaoke captions for short-form video

AI-СУБТИТРЫ

БЕЗУСИЛИЙ

Ready in a minute
Styles built for the platform

Ready in a minute

Upload a clip, get a finished video with captions back. No editing, no typing it out, no overnight render.

> WHISPER ASR ENGAGED
> PROCESSING SPEECH... [OK]
> WORDS DETECTED: 47
> EST. TIME: 59s

Word-by-word highlight

Every word lights up exactly as it's spoken. Viewers follow the text and watch to the end — and that's a signal to the algorithm.

> SYNC_MODE: WORD_LEVEL
> DRIFT: 0.00ms
> WORD_01: [0.12 - 0.58]
> WORD_02: [0.61 - 0.94]
> SYNC_STATE: LOCKED

Styles built for the platform

Ready-made presets for Reels, TikTok, Shorts and podcasts. Font, size, colors and animations tweakable in a couple of clicks.

> STYLE_PRESET: VIRAL_POP
> FONT: Days Bold
> ACCENT: #EAEA00
> POPUP_ANIM: ENABLED
> EXPORT: 1080×1920 MP4

How it works

01

Upload your video

Drop an MP4 or MOV right into the browser. Up to five minutes per clip.

02

Pick a style

Six presets and fine-grained controls: colors, size, padding, active-word emphasis.

03

Download the result

An MP4 with burned-in captions — ready to post straight to your platform of choice.