Video Quality Enhancer by Pnazo

Video Quality Enhancer is a real-time video upscaler and frame generator for Firefox. It runs WebGPU shaders on your own GPU to make HTML5 video sharper and smoother. Nothing is sent to any server and no data is collected.

Inspired by desktop tools like Lossless Scaling, it sharpens edges and text, reduces compression artifacts, and turns 24/30 FPS video into smooth 60, 120, 144 FPS or more.

Why use it

• Sharper video: upscale low-resolution or compressed video to 1080p, 1440p or 4K
• Smoother motion: frame generation at 2x, 3x, 4xscreen refresh)
• Runs on your GPU: all processing happens on your device through WebGPU
• Use either feature alone: upscaling alone, frame generation alone, or both
• YouTube quick menu: controls built into the YouTube player bar
• Private: no telemetry, tracking, cookies or network requests

Upscalers

• Sharpen-CAS (AMD Contrast-Adaptive Sharpening): fast, clean and light. The best everyday choice, especially on laptops.
• Anime4K: made for anime and cartoons. Crisp out
• FSR 1.0 (AMD FidelityFX Super Resolution, EASU + RCAS): resolution-aware upscaling, great for gaming videos, 3D animation and streams.
• ML (Lanczos-3): high-quality multi-tap filter wNo downloads.
• Neural CNN: a convolutional neural network running on your GPU, with an Anime model and a General (live-action) model.

Scaling modes: Fill, Fit, Stretch, or fixed 2x/3x/4x. Output resolution: Native, 1080p, 1440p, or 4K (which supersamples on
lower-resolution screens).

Frame generation

• Optical Flow: two-way motion estimation with ocfallbacks and scene-cut detection
• Blend: fast cross-fade between frames, very light on the GPU
• Multipliers: 2x, 3x, 4x, or Adaptive, which remcreens (120–240Hz) and with uneven ratios like 24 FPSon 60Hz
• Tuning: flow scale, artifact reduction, scene-cut detection, and a maximum FPS limit

More features

• Live on-screen HUD: source and output resolution, FPS, refresh rate, render scale, and GPU
• Adaptive GPU governor that lowers render scale whenp playback smooth
• Color controls: brightness, contrast, saturation, gamma, denoise
• Sync options: VSync or Adaptive Sync, frame buffer
• Per-site profiles, plus JSON export, import and reset
• Per-monitor refresh rates for multi-monitor setups isplays)

Getting started

1. Pin the extension to your toolbar.
2. Play a video on YouTube, Twitch, Vimeo, Bilibili or any HTML5 video site.
3. Turn it on from the toolbar popup or the YouTube p
4. Pick an upscaler (Sharpen-CAS for everyday use, FSR or Neural for the most detail) and turn on frame generation if your screen refreshes above 60Hz.
5. Check the HUD in the top-left corner to confirm it

DRM notice

Netflix, Disney+, Prime Video and other paid streaming services use encrypted video (DRM). Browsers don't let extensions read those
frames, so the extension detects DRM streams and turng playback.

Requirements

• Firefox 142 or newer with WebGPU available
• A WebGPU-capable GPU (DirectX 12, Vulkan or Metal)
• Hardware acceleration turned on in Firefox settings

If the HUD says it's running on a software renderer (s off. Turn it on under Settings → General →Performance and restart Firefox.

Privacy and legal

No tracking, analytics, external servers or data collection. Your settings are stored only on your device.
Proprietary software by Pnazo Private Limited. Includes AMD FidelityFX Super Resolution 1.0, used under the MIT License.