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SubtwineWord-by-word captions for Reels, TikToks and Shorts, made in your browser · by CyberMax

Animated captions for your shorts

Subtwine Pro: animated word-by-word captions for Reels, TikToks and Shorts, made in your browser (Whisper + ffmpeg.wasm): videos up to 30 minutes, 1080p, every caption style, no corner mark, MP4 + SRT.

Checkout by StripeCancel any timeInstant delivery14-day refund
from $9See plans & buy
▶ Caption a video free (up to 60 s)▶ See Pro plans

Who it's for

  • short-form creators
  • social media managers
  • podcasters cutting clips
  • small brands
Subtwine: Animated captions for your shorts

Why buyers pick Subtwine

1Your video never leaves your device.
2Fix any word before it's burned in.
3$9 for 30 days, $12/month or $96/year.
4Captions without credits or uploads

How it works

  1. Try the free tier: no key, no signup.
  2. Pick a plan and pay by card with Stripe.
  3. Your API key arrives by email; send it as a Bearer token.

Plans & pricing

14-day money-back promise: if it doesn't work as described, email us within 14 days and we fix it or refund you in full. Refund terms.

Subtwine Pro 30-day pass: animated captions for shorts

$9 once

Subtwine Pro: animated word-by-word captions for Reels, TikToks and Shorts, made in your browser (Whisper + ffmpeg.wasm): videos up to 30 minutes, 1080p, every caption style, no…

Buy now

Subtwine Pro: animated captions for shorts, monthly

$12/month

Subtwine Pro: animated word-by-word captions for Reels, TikToks and Shorts, made in your browser (Whisper + ffmpeg.wasm): videos up to 30 minutes, 1080p, every caption style, no…

Buy now
Best value

Subtwine Pro: animated captions for shorts, yearly

$96/year

Subtwine Pro: animated word-by-word captions for Reels, TikToks and Shorts, made in your browser (Whisper + ffmpeg.wasm): videos up to 30 minutes, 1080p, every caption style, no…

Buy now

What you get

Subtwine Pro: animated word-by-word captions for Reels, TikToks and Shorts, made in your browser (Whisper + ffmpeg.wasm): videos up to 30 minutes, 1080p, every caption style, no corner mark, MP4 + SRT. Your video is never uploaded. One payment, 30 days of Pro, no renewal. Your licence key appears the moment checkout finishes.

Refund policy

14-day money-back promise. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. Duplicate charges are always refunded. Read the full policy.

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Questions

How do I get it after paying?

Checkout is handled by Stripe. Your download, licence key or API key and your receipt arrive by email right after payment.

Can I get a refund?

Yes. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. See the refund policy.

Is checkout secure?

Card details go only to Stripe. CyberMax never sees them; sales tax or VAT is calculated at checkout.

Can I cancel?

Any time, from the link in your receipt email. You keep access until the end of the paid period.

Caption a video free

Subtwine · from $9

Buy now

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Prices and plans generated from live Stripe data on 01 Oct 2026.

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