mac-image-compressor

A lightweight macOS SwiftUI app to batch-compress images.

Download

Download the latest build from GitHub Releases:

• https://github.com/imjposcar/mac-image-compressor/releases/latest

You can choose either:

• MacImageCompressor-macOS.dmg (recommended)
• MacImageCompressor-macOS.zip

Install

Option 1: DMG (recommended)

1. Download MacImageCompressor-macOS.dmg
2. Open the DMG
3. Drag MacImageCompressor.app into Applications
4. Open the app from Applications

Option 2: ZIP

1. Download MacImageCompressor-macOS.zip
2. Unzip it
3. Move MacImageCompressor.app into Applications
4. Open the app

If macOS warns about an unidentified developer, right-click the app, choose Open, then confirm.

Screenshot

Features

• Select multiple images at once
• Choose output format: JPEG / PNG / HEIC / WebP
• Quality slider
• Max width resize
• Optional metadata preservation
• Output logs with before/after size and savings

Usage

1. Click Select Images and choose one or more files.
2. Click Select Output Folder.
3. Pick output format and quality.
4. Click Compress Now.

Compressed files are written as:

<original-name>-compressed.<ext>

Supported input types

PNG, JPEG, TIFF, HEIC, GIF, BMP, WebP

Build from source

swift build
swift run

Running swift run opens the macOS app window.