PostarContent Sync Assistant

An open-source multi-platform content sync and distribution productivity tool.
Sync articles, notes, moments, images, videos, audio and more to international mainstream media platforms with one click.

What is Postar?

Quick Start

GitHub

📝

Content-Focused

Supports articles, notes, moments, images, videos, audio and more.
Text content supports HTML and Markdown formats.

🌍

Multi-Platform

Covers international mainstream media platforms including X (Twitter), Facebook, Instagram, TikTok, YouTube, LinkedIn, Medium, Dev.to and more. Easily extensible to support WeChat, Weibo, Xiaohongshu, Zhihu, Bilibili and other domestic platforms.

🚀

One-Click Publishing

Edit and format once, sync and auto-publish to multiple platforms with one click.
Simultaneously publish content to all logged-in media platforms.

🔐

Secure

The core differentiator is the local operation mechanism — directly reusing the browser's local login state, avoiding the privacy risks of storing account information in the cloud. Safe and worry-free.

📖

Smart Reader

Built-in smart web reader for intelligent content extraction from web pages.

🎯

Platform Adaptation

Automatically optimizes content adaptation to meet the specific requirements of each platform.

✨

AI

Extensible AI integration for more personalized content and smarter workflows.

🧩

Extensions

Through plugins, SDKs, APIs, MCP, AI agents, open platforms and app marketplaces — extensible and connectable to various industry platforms or enterprise application services.

💡

Ecosystem

Provides ecosystem support for content creator productivity and developer business integration.