PostBox
For creators: PostBox lets you write once and post designs to X, LinkedIn, Instagram, and 6 other platforms instantly PostBox keeps the workflow clear so you ship outcomes with less busywork.
Built by Jason Coawette · Free
PostBox is a Product Hunt listing on Launch Llama with 112 total upvotes, founded by Jason Coawette who joined in Sep 2026, compared against 6 alternatives.
Product Hunt listing
Listing status
112upvotes
Community score
Jason Coawette (Joined Sep 2026)
Founder
Compared against 6 alternatives
Market comparison
About
PostBox turns the MacBook notch into a drag and drop poster for the work you make. Drag an export in, write the caption once, and post to X, Bluesky, Threads, LinkedIn, Dribbble, Instagram, Threads, Pinterest Behance and Cosmos at once.
Launch Llama's Take
Based on Launch Llama data as of
PostBox has 112 upvotes, including the votes it received on Product Hunt. It has been listed on Launch Llama since September 2026. No Launch Llama members have upvoted it yet and it has no reviews yet.
Key Features
- Schedule posts with date, time, and reminders
- Upload and create carousels with up to four images
- Crop photos and add covers before posting
- Connect and manage multiple accounts per platform
- Keep all data local without requiring an account
Use Cases
- Editors and designers who want to post work without opening social feeds
- Content creators who need to post the same work across multiple platforms quickly
Pricing
Free for all features.
FAQ
What does PostBox do?
Drop finished work into your MacBook notch, write one caption, choose the destinations, and post.
What do I need for X?
Your own X API tokens. Add them in PostBox before posting to X.
Does it change my original file?
No. Crops, compositions, and delivery versions are separate copies.
Can I schedule posts?
Yes. Scheduling is included.
Can I use more than one account on the same platform?
Yes. Add as many as you need.
What happens if a post fails?
The draft stays put. PostBox shows which destination failed so you can retry it.
Founder Guides
Alternatives
aipost.socialAI post generator for LinkedIn, Instagram, Facebook, TikTok & Pinterest - text, images & video
ShipOSFor social media managers: ShipOS schedules posts once across X, LinkedIn, Instagram, TikTok, and 5+ platforms so you save hours and maintain consistent presence everywhere.Ask AI about PostBox