One video. Subtitles in 16 languages.
PolySub transcribes your videos with AI, lets you polish every line in a visual editor, and translates the whole track in one click — so international viewers can finally watch, with no hours of manual subtitling.
Free for your first 3 videos · No credit card required
How it works
From video to multilingual subtitles in three steps
No timeline wrestling, no per-minute fees, no exporting between five tools.
Upload your video
Drag & drop an MP4, MP3, M4A, WAV or WebM file (up to 25MB). Grab it from YouTube Studio first — takes less than a minute.
Transcribe & edit
Whisper-powered AI writes every line with precise timestamps in about a minute. Click any segment to fix text or timing while previewing.
Translate & export
Pick from 16 languages, translate the whole track in one click, then download broadcast-ready SRT or VTT files.
Features
Everything you need, nothing you don't
Short-form tools ignore long videos. PolySub is built for the way YouTubers actually publish.
AI transcription with timestamps
State-of-the-art speech recognition that handles accents, background music and 90+ source languages — every line precisely timed.
16-language translation
Translate the entire subtitle track into 16 languages in one click. Timestamps stay perfectly intact.
Visual subtitle editor
Click any line to edit text and timing. Click a segment to jump the preview player straight to it. No timeline wrestling.
SRT & VTT export
Download files ready for YouTube, Vimeo or any editor — or copy everything to the clipboard in one click.
Privacy-first by design
Your audio is transcribed in memory and never stored on our servers. Nothing is kept, nothing is trained on.
Pricing that pays for itself
One sponsored video costs hundreds of dollars. Reaching a global audience starts at $19/month — cancel anytime.
Who it's for
Made for creators going global
YouTubers
Add accurate subtitles and unlock viewers in 16 languages — more watch time, more reach, zero manual work.
Faceless channels
Your content already travels. Subtitles in your viewers' language make it travel further.
Course creators
Make every lesson accessible worldwide. Students learn better when they can read along.
Podcasters
Turn episodes into searchable, shareable subtitled clips and multilingual show notes.
Pricing
Simple pricing that pays for itself
One sponsored video costs hundreds of dollars. Reaching a global audience costs less than lunch — backed by a 7-day money-back guarantee.
Human subtitle translation costs $5–10 per minute — a 10-minute video in 16 languages runs $800+. PolySub Pro does it for $19/month.
Free
Try the full workflow on your own videos.
- ✓ 3 videos, no credit card
- ✓ 1 translation language per video
- ✓ SRT & VTT export
- ✓ Visual subtitle editor
Pro
For creators publishing every week.
- ✓ 15 videos per month × 16 languages
- ✓ Unlimited translations
- ✓ Priority processing
- ✓ Cancel anytime
Paid plans aren't live yet — leave your email and we'll notify you at launch.
Studio
For channels and small teams going global.
- ✓ 40 videos per month × 16 languages
- ✓ Everything in Pro
- ✓ Fastest processing
- ✓ Early access to new features
- ✓ Cancel anytime
Paid plans aren't live yet — leave your email and we'll notify you at launch.
One-time Pack — $9 pay once
10 videos × 16 languages. Never expires. Perfect if you publish occasionally and hate subscriptions.
Paid plans aren't live yet — leave your email and we'll notify you at launch.
Payments secured by Lemon Squeezy · Cancel anytime · Full billing details
FAQ
Frequently asked questions
PolySub uses OpenAI's Whisper speech recognition, which is excellent for clear speech in 90+ languages. Every line is editable in the visual editor, so you can fix names, jargon or accents before exporting.
Your next viewer might not speak your language. Fix that today.
Upload your first video and get accurate, translatable subtitles in minutes — free.
Transcribe your first video freeFree for your first 3 videos · No credit card required