Auto add animated captions to videos in seconds
Add dynamic captions in 50+ languages, use custom fonts, and fully customize styles.

Be part of the thousands using Bytecap to create viral content.

Add Captions Automatically with AI
Make your videos easier to watch and more engaging with smart captions. Bytecap adds captions to your videos in seconds — no typing, no syncing, no stress.
Our AI listens to your audio, detects who’s speaking, and creates accurate captions for every word. You can pick from 20+ stylish templates or customize your own with colors, fonts, and animations to match your content.
Captions help people understand your message, even without sound. They boost views, hold attention longer, and make your videos look polished and professional — perfect for TikTok, Reels, YouTube Shorts, and more.
Auto Captions That Just Work
Auto Captions with 99% Accuracy
Add perfectly timed captions to your videos in seconds. Bytecap’s AI delivers studio-quality accuracy — no manual typing required.
Smart Speaker Detection
Automatically detects and labels multiple voices. Customize captions by speaker with styles that match your brand.
Eye-Catching Animated Captions
Bring your videos to life with animated captions. Choose from dynamic styles like karaoke bounce, bold highlights, or smooth fades to match your content’s tone.
Videos Optimized for Every Platform

AI Reframe
Smarter clips from longer content auto centers and intelligently stacks speakers, keeping them in view for scroll-ready vertical videos

Dynamic Layouts
Instantly switch between layout modes like Fill, Fit, Split, and Gameplay. Swap in a second video using stock footage or upload your own.

One click resize & repurpose
Resize and repurpose your videos to 9:16 (TikTok, shorts), 4:3 ( Reels), 1:1 (ideal for Instagram, Facebook), or 16:9 (best for YouTube).
Why Captions Matter More Than Ever
- Viewers watch videos on mute — captions grab attention
- 70%
- Videos with captions are more likely to be shared
- 94%
- Captioned videos boost brand recall and engagement
- 80%
- AI captions are 10x faster than manual editing
- 10x
Make viral clips instantly
The new way to make viral shorts, no skills required

AI Videos
Create viral faceless videos in minutes — AI image reels, motion graphics, or background videos, fully customized with captions, effects, and voiceovers.

AI Clipping
AI finds the best highlights and key moments, then crafts short videos from your content. Speakers are auto-centered and arranged for the most engaging layout.

Add AI Captions
Automatically add 99% accurate captions in seconds. Choose from 20+ customizable templates, edit easily, and translate captions to 100+ languages.
Powerful AI Tools to Supercharge Your Videos

Hook Title
Hook viewers with AI-generated titles made to stop the scroll. Customize the style, timing, and placement to fit your style.

Sound Effects + Music
Add copyright-free music or upload your own music, then layer in trending sound effects perfectly synced to your captions.

Simple Edits
Edit with ease — update captions, styles, adjust speakers, highlight words, add emojis, reposition, timing, and more.
Start creating viral videos today!