ScreenChunk — Capture. Chunk. Share.

Capture your screen, chunk it into useful pieces, annotate, and share instantly. Fast screen capture made smarter.

🎬 ScreenChunk — The All-in-One HD Screen Capture & Creator Studio ScreenChunk combines lightning-fast browser screen recording with real-time video effects, live vector drawing, audio-reactive PNGtuber avatars, and zero-knowledge client-side encryption. Whether you’re creating software demos, recording tutorials, teaching live classes, or streaming privately with colleagues, ScreenChunk gives you studio tools right in your browser. ✨ KEY FEATURES: 🎥 HD Screen & Audio Recording • Capture your entire screen, specific application window, or browser tab in crisp 60fps HD. • Combine microphone narration, system audio, and webcam overlays with zero lag. • Dynamic video chunking: Download, slice, and manage clips without waiting on cloud rendering queues. 🎨 Live Whiteboard & Annotations • Draw directly on your screen while recording or streaming. • Smooth zero-lag pen, highlighter, eraser, and custom color swatches. • Draggable, collapsible floating toolbar that stays out of your way. 🤖 Audio-Reactive PNGtuber Avatars & Studio FX • Turn your voice into an animated avatar (robot, pixel cat, mascot, or your own 2-PNG custom art). • Real-time webcam filters (Cyberpunk, Noir, Sepia, Vignette). • Portrait bokeh blur, green screen chroma-keying, and virtual studio backdrops. • 3-band audio equalizer and built-in noise gate for broadcast-clear voiceover. 🔒 Zero-Knowledge Privacy & Encryption • Encrypt recordings client-side using military-grade AES-256-GCM (WebCrypt) before saving or syncing. • No unencrypted video uploaded to third parties — you hold the encryption keys. • Offline-first: Record and decrypt locally without needing an account. ⚡ WebAssembly Performance & P2P Live Sharing • Powered by a native AssemblyScript WASM engine for fast, stutter-free processing. • Host-to-viewer P2P live WebRTC streaming with real-time chat. 🚀 GET STARTED IN SECONDS: Click the ScreenChunk icon, select what to capture, and start recording immediately. No watermarks, no time limits, and 100% private.