Listing details
HiCyou directory record
- Listed website
- postbox.sh
- Directory record created
- Sep 6, 2026
- Last record update
- Sep 9, 2026
Listing information
- Overview
- 5 key features
- 3 use cases
This page describes HiCyou's directory record. It is not a security, ownership, or product-quality certification.
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What is PostBox
PostBox is a Mac app that turns the MacBook notch into a drag-and-drop poster for sharing design work. Drag an export into the notch, write a caption once, and post to X, Bluesky, Threads, LinkedIn, Dribbble, Instagram, Pinterest, Behance, and Cosmos at once, shaped for each platform.
Key Features
Turns the MacBook notch into a drag-and-drop posting area
Cross-posting to X, Bluesky, Threads, LinkedIn, Dribbble, Instagram, Pinterest, Behance, and Cosmos
Write a caption once and reuse it across platforms
Formats posts for each social network automatically
Supports Pinterest, Shorts, and TikTok support landing soon
Use Cases
- Designers sharing exported work to multiple social platforms at once
- Creative professionals maintaining a presence across design and social networks
- Posting design work quickly without switching between apps
Why do startups need this tool?
PostBox lets lean creative teams cross-post design work to many social platforms from a single drag-and-drop action on their Mac, saving time on repetitive sharing workflows.
