---
title: "MediaPiper Docs — ModelPiper"
description: "MediaPiper browser extension — hover any image or video for instant full-size preview with intelligent discovery, on-device AI upscaling, video controls, and 40+ keyboard shortcuts. Chrome, Firefox, Safari."
canonical: "https://modelpiper.com/docs/mediapiper/"
---

# MediaPiper Docs — ModelPiper

> MediaPiper browser extension — hover any image or video for instant full-size preview with intelligent discovery, on-device AI upscaling, video controls, and 40+ keyboard shortcuts. Chrome, Firefox, Safari.

# MediaPiper

Hover any image or video to instantly preview the full-size version. MediaPiper automatically discovers full-resolution URLs, upscales with on-device AI, and gives you professional-grade media controls — all inside a floating popup.

[Chrome Web Store](https://chromewebstore.google.com/detail/mediapiper/gknkckkachhflfmhdiaeaomacceechnb)[Firefox Add-ons](https://addons.mozilla.org/en-US/firefox/addon/mediapiper/)[Mac App Store](https://apps.apple.com/us/app/mediapiper/id6759619957)

## Intelligent Discovery

Traditional image-preview extensions rely on fragile, hand-maintained site rules that break whenever a website changes its code. MediaPiper replaces that with an adaptive discovery engine that learns patterns on its own.

### Canary Pairs

The engine samples page images, identifies thumbnail-to-full-size URL patterns, and verifies them. If a pattern changes, it re-discovers automatically.

### 4 Resolution Strategies

Substitution (template URLs), Mutation (regex/param/host transforms), Fetch (HTTP + extraction), and Pipeline (chained steps). All declarative — no JS eval, no sandbox.

### Bundled Sieves

Pre-configured rules for Imgur, Reddit, Flickr, Twitter/X, Pinterest, and other popular sites. Eliminates cold-start delay while flowing through the same verify-and-resolve path as discovered rules.

### Smart Prefetch

Configurable pre-resolution tiers — Off, Light, Moderate, Aggressive, YOLO, or Custom — with per-domain probe limits, delays, and timeouts.

## Image

A complete image browsing toolkit, from casual preview to professional workflow.

Full-Size Preview

Hover any thumbnail for instant full-resolution display

Zoom & Pan

Scroll to zoom, click-drag to pan when zoomed in

Rotate & Flip

Rotation dial with snap angles, horizontal and vertical mirror

Fit Modes

Contain, fill width, fill height, or actual size

Background Images

Detects and previews CSS background-images, not just img tags

Copy Anything

Copy URL, copy as Markdown, or copy the image bytes

Image Cycling

Navigate between page images without closing the popup

Standalone Viewer

Enhanced viewer for direct image URLs with background toggle

## Video

Full video control inside the popup — no need to leave the page.

Inline Preview

Hover video thumbnails and links to preview with autoplay

Frame-by-Frame

Step forward and backward one frame at a time

Speed Control

Adjust playback rate with keyboard shortcuts

A/B Loop

Set loop start/end points with optional bounce-reverse

Screenshot Capture

Grab any frame as PNG, JPEG, or WebP

GIF Controller

Full playback control for animated GIFs including bounce

## AI (via ToolPiper)

On-device AI processing powered by Apple Silicon. No cloud, no API keys — all inference runs locally through ToolPiper.

### SPAN 4x Image Upscale

CoreML-powered super-resolution. One-click upscale of any web image directly from the preview toolbar.

### PiperSR 2x Video Upscale

Real-time video super-resolution on Apple Neural Engine — up to 44 FPS on M4 Max.

### Auto Upscale

Automatically upscale images below a configurable size threshold — no manual trigger needed.

### OCR

Extract and copy text from any web image instantly.

## Saved Items

### Save to Collection

Save any image or video URL with metadata — source page, domain, and caption. Up to 5,000 items.

### Browse & Manage

Standalone page to browse, sort by date or domain, bulk select, and delete saved media.

## Customization

40+ Keyboard Shortcuts

Fully remappable hotkeys with modifier key combos

Toolbar Control

Auto-hide, always-on, or hidden. Top or bottom positioning

Popup Appearance

Backdrop overlay, border radius, shadow, caption display

Configurable Triggers

Hover-only or hover+modifier key, adjustable delays

Focus Lock

Pin the popup open so it stays while you work

Mouse Following

Popup smoothly follows your cursor until locked or zoomed

## Privacy & Performance

### No Data Collection

No analytics, no tracking, no phone-home. Everything runs 100% locally in your browser.

### Site Filtering

Allowlist or blocklist mode with per-site image, video, and detection blocking. Tracking parameters (utm, fbclid, gclid) are automatically stripped.

### Tuned for Speed

Configurable prefetch tuning, resolve timeouts, failed-URL tracking to prevent retry loops, and decode pre-warming for instant rendering.