README.md

EXTPIXEL : Extension Image Resizer

EXTPIXEL is a fully client-side image resizer

All image processing runs inside the browser using the HTML5 Canvas API.
No images are uploaded. No servers process your files.

Demo

hmm.mp4

Overview

EXTPIXEL supports:

• Manual croo
• Scaling based cropping
• preset dimensions (for extensions)
• Multiple resize stuff
• Batch processing (up to 10 images)
• Client side ZIP export

Designed with a retro NES inspired UI and sound effects.

Core Features

Preset sizes for extension req (dev)

Preconfigured pixel dimensions for:

• Chrome Web Store
• Microsoft Edge Add-ons
• Opera Addons

Includes:

• Small and large promo tiles
• Screenshot s (smaal)
• Screenshot Max

Manual Configuration

Dimension Input

• Custom width (px)
• Custom height (px)
• Percentage scaling (e.g., 50%, 200%)
• Optional aspect-ratio lock

Resize Modes

STRETCH

Scales directly to target width and height.

AUTO CROP

Scales to fully fill the target area, then center-crops.

MANUAL CROP

Interactive crop modal with:

• Draggable crop rectangle
• Resizable corner handles
• Live pixel dimension readout

FIT

Letterbox / pillarbox into the target size.

Background options:

• White

• Black

• Blur

Blur mode:

• Background image scaled to cover
• ctx.filter = 'blur(32px)'
• Foreground image drawn sharp and centered

Batch Processing

• Drag and drop up to 10 images
• Process all in one click

Download Options

• Download individual PNG files

• Download all results as a ZIP

Privacy Model

• All files processed in memory
• No API keys
• No uploads
• No external image services
• No storage
• No tracking of image content

Tech Stack

Framework

• Next.js 16.1.6 (App Router)

Language

• TypeScript

UI / Styling

• NES.css

credit

Pixel art source: AnubiArts -: https://anubiarts-info.carrd.co