Break language barriers.
Just enjoy the stream.
Real-time captions and translations that float seamlessly over YouTube and Twitch. Understand every word your favorite streamers say.
Experience the precision
FlashCaption adapts to any content style, from fast-paced gaming to professional broadcasts.
Works instantly where you already watch
Always on top
Captions float seamlessly over your video player without blocking the UI. Customize the position and size to fit your viewing experience perfectly.
Instant Translation
AI-powered translations happen in milliseconds. Choose from over 100 languages and bridge the global language gap instantly.
Work Anywhere
Whether you're on YouTube, Twitch, Zoom, or any other platform, FlashCaption works seamlessly across all your favorite sites.
Source languages
Detects speech from major global languages with high accuracy.
Translate to your language
Supports translation to 100+ supported languages
Loved by viewers worldwide
Don't just take our word for it. Here's what people are saying about their experience.
Sarah Jenkins
Content Creator
"FlashCaption changed how I interact with international viewers. I can watch Korean pro players on Twitch and actually understand the commentary."
Alex Rivera
Language Learner
"The ability to just drop this into any YouTube video and get perfect translations is incredible. It's so clean and never gets in the way."
David Chen
Remote Worker
"We use Zoom a lot, and having real-time captions that translate our global team's meetings has been a huge boost to our accessibility."
Emily Watson
Esports Fan
"Zero latency. I was skeptical, but it really keeps up with fast-paced gaming streams."
Markus Berg
Tech Enthusiast
"The fact that it runs locally and just overlays smoothly shows how much care went into the engineering. Top tier extension."
Yuki Tanaka
Student
"I use it for English lectures. The free tier gives me exactly what I need every day without forcing a subscription."
Simple, transparent pricing
Pay as you go. No subscriptions. No hidden fees. Everyone gets 2 hours free once.
Guest Mode
Try it out instantly. You get 30 minutes of one-time credit to test the waters.
Sign Up
Unlock the full experience. Save your translation history, customize settings, and get more features.
Free Plan
Every registered user receives 2 hours of premium credits completely free, once.
Top up your credits
Need more hours to enjoy uninterrupted captions? Grab a pack below. Your credits never expire.
Order Summary
Secure payment via LemonSqueezy
Frequently asked questions
Everything you need to know about getting started and using FlashCaption.
Ready to cross the language barrier?
Join thousands of viewers already using FlashCaption to follow their favorite global creators in real-time.