comfyui-preview-video-monitor

Preview Video Monitor V5.3.2

Preview on multiple physical monitors for videos, image sequences, and images. Interactive on-screen controls, snapshots, and generation tracking

ComfyUI Manager - One-Click Install with automatic dependency installation

FEATURES

Playback Control Suite

Intuitive Timeline Scrubbing - Click and drag anywhere above the timeline for precise frame control

Frame-Perfect Navigation - Step through frames with keyboard arrows (← →)

Smart Playback Modes - Forward, Backward, and Ping-Pong playback with single-click switching

Instant Play/Pause - Spacebar toggles playback instantly, right from your keyboard home row

Viewing

One-Click Fullscreen - Press 5 to enter true fullscreen mode, ESC or 5 again to exit

Smart Fit Modes - Instant switching using numbers 1:1 (1), Fit (2), Width (3), Height (4), and Fullscreen (5). Press again and you retun to Fit

Keyboard-Optimized Shortcuts - All controls under your left hand without looking at the keyboard

Multi-Monitor Ready - Display on any monitor with automatic resolution detection

In/Out Marking System

Set Range Instantly - Press I for IN point, O for OUT point at current frame

Visual Timeline Feedback - Blue highlighted areas with red marker lines show your selection

Smart Playback Bounds - All playback modes respect your marked range automatically

Quick Reset - Press P to instantly reset to full media length

Interactive Control

Dynamic Real-Time Interface - All controls moved from static nodes to interactive monitor

Intuitive Zoom & Pan - Mouse wheel zooms anchored to cursor, right-click drag pans

Instant Fit Modes - Click buttons or use number keys 12345 for instant view adjustments

Live Visual Feedback - Buttons light up with color-coded active states

Smart Persistent Generations Vault Cache

Cross-Session Preservation - Your creative generations survive ComfyUI restarts and system reboots

Unlimited Version History - Store every iteration of your work without worrying about limits during sessions

Rename any Generation instantly to keep your creative sessions organized and highlight the moments that inspired you!

Instant Time Travel - Dropup menu with keyboard navigation (↑ ↓ ENTER) to revisit any point in your creative journey Visual Generation Gallery - Hover and click to instantly resurrect any previous creation

Take Snapshots of your creative process anytime. Whatever is on screen at that moment will be saved to a webp image with your comfyui workflow injected in it. The Snapshots and Generations work orchestrated together maintaining naming sync. PreviewVideoMonitor saves snapshos data inside its own default folder custom_nodes/PreviewVideoMonitorPro/, but you can change this to your own custom directory directly from the node with one click, super easy, and giving you full control over where Snaps are kept.

Performance Engine

GPU-Accelerated Processing - Automatic CUDA detection with OpenCV & PyTorch backend fallbacks

Smart Caching System - Dynamic frame caching with memory management

Real-Time Resolution Handling - Automatic scaling with maintained aspect ratios

Custom FPS Control - Playback at your exact desired framerate

Visual Experience

Live Frame Counter - Real-time display with custom starting frame numbers

Resolution Overlay - Always-visible original media resolution

Color-Coded Interface - Intuitive button states with meaningful color schemes

Professional Timeline - Extended scrubbing area for easy frame selection

Vision module

The Vision module transforms your monitor into a technical inspection lab for AI-generated imagery.

Isolate RGB channels to detect hidden artifacts, use the live vectors