Hyoi
A magical shelf that appears when you drag files on Mac
UpdatedJan 25, 2026
What is Hyoi?
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A magical shelf that appears when you drag files on Mac
Hyoi is a lightweight drag & drop shelf application designed exclusively for macOS users who need temporary file storage without the hassle of window management. Inspired by the Japanese word describing effortless lifting, Hyoi provides a floating shelf where you can temporarily store files, images, and text during your workflow. The minimalist design keeps the interface unobtrusive while remaining accessible whenever you need to park items between tasks or applications.
Temporary Drag & Drop Storage - Hold files, images, and text in a floating shelf without saving to disk Cross-Application Compatibility - Works seamlessly with all macOS applications for universal drag and drop support Lightweight Interface - Ultra-small 679.1 KB footprint ensures minimal system resource usage Movable Shelf Position - Relocate the shelf anywhere on your screen for optimal workflow placement Direct File Opening - Open files directly from the shelf without dragging to another location Light & Dark Mode Support - Automatically adapts to your macOS system theme preferences Distraction-Free Design - Clean, minimal interface that stays out of your way until needed
#1 File Organization Workflow - Designers and developers can temporarily hold assets, code snippets, or design files while organizing complex projects without cluttering their desktop or juggling multiple Finder windows.
#2 Cross-Application Content Transfer - Content creators moving images, text, and files between multiple applications can use Hyoi as a staging area, eliminating the need to save temporary files or search for destinations mid-workflow.
#3 Research and Note-Taking - Students and researchers can drag relevant screenshots, PDFs, and text excerpts onto the shelf while reading or browsing, then easily transfer them to their note-taking apps when ready to organize findings.
#4 Email Attachment Preparation - Users preparing emails with multiple attachments can collect all necessary files on the shelf first, then drag them all at once into the email composer instead of searching folders repeatedly.
#5 Presentation and Screen Sharing - During live presentations or screen shares, presenters can pre-load files, images, and documents onto Hyoi's shelf for instant access without exposing their full desktop or file system to viewers.
#6 Quick Reference Storage - Developers and writers can keep frequently referenced code snippets, style guides, or text templates on the shelf for quick access throughout their workday without permanent clipboard occupation.
What file types does Hyoi support? Hyoi supports all standard macOS file types including documents, images, text, and folders. You can drag and drop any content that macOS supports for drag operations, making it compatible with virtually any file format your system recognizes.
Is Hyoi completely free to use? Yes, Hyoi is completely free to download and use with no in-app purchases, subscriptions, or premium tiers. The app provides full functionality at no cost from the Mac App Store.
Does Hyoi require an internet connection? No, Hyoi operates entirely offline as a local macOS utility. All file storage and operations happen on your device without requiring internet connectivity or cloud services.
Will items on the shelf persist between app restarts? Hyoi is designed as a temporary storage solution for active workflow sessions. Items are not automatically saved between app closures, so treat the shelf as temporary staging rather than permanent storage.
What are the minimum system requirements for Hyoi? Hyoi requires macOS 13.5 or later and occupies only 679.1 KB of disk space. The app is optimized for modern macOS versions and runs efficiently on any compatible Mac.