Resize Majin
Smart Image Resizer for SNS
Only for Mac
Free · In‑App Purchases
Mac
Resize and crop images perfectly for SNS and App Store.
Resize Majin is the ultimate image resizing utility for macOS, designed to make your workflow lightning-fast and your images pixel-perfect. Whether you're preparing photos for social media, creating App Store assets, or optimizing web graphics, Resize Majin handles it all with ease.
Key Features
- Drag & Drop Simplicity: Just drop your images from Finder or the Photos app and let the magic happen.
- Real-Time Preview: See exactly how your image will look before you save it.
- Smart Presets: Built-in templates for YouTube, Instagram, X (Twitter), Facebook, and App Store requirements.
- Multiple Resize Modes:
- Scale to Fit: Keep the aspect ratio and fit within dimensions.
- Scale to Fill: Fill the target area (perfect for banners).
- Stretch: Force specific dimensions.
- Custom Presets: Save your own frequently used settings for instant access.
- Modern macOS Experience: A beautiful, native interface optimized for Apple Silicon.
Supported Formats
- Input: PNG, JPG, JPEG, HEIC, TIFF (Video MP4, MOV, M4V supported in Pro)
- Output: PNG, JPG
Pro Features (Upgrade Available)
- Interactive Cropping: Precisely adjust the image position within the crop area by dragging.
- Ghost Preview: A semi-transparent overlay shows the original image area for intuitive adjustments.
- Video Frame Extraction: Import video files (MP4, MOV, or M4V) and select any frame to extract and resize as a still image.
- JPEG File Size Optimization: Set a target file size (KB) and let Resize Majin find the best quality balance automatically.
- Transparent Backgrounds: Full support for PNG transparency.
- No Upscaling: Prevent low-resolution images from becoming blurry by disabling upscaling.
Stop wrestling with complex image editors. Let Resize Majin take care of your resizing needs in seconds!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Made the video frame selector window resizable with an expandable preview
- Added 1-frame and 10-frame step buttons and keyboard shortcuts to the video frame selector
- Added default presets for standard display and camera resolutions (VGA, Full HD, 4K, 8K, etc.)
The developer, Sota Yokoe, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sota Yokoe
- Size
- 3 MB
- Category
- Graphics & Design
- Compatibility
Requires macOS 15.0 or later.
- Mac
Requires macOS 15.0 or later.
- Mac
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro $1.99
- Copyright
- © 2026 Kreuz45