Short Introduction
Postiz is a free, open-source social media scheduler that supports 19 platforms including Instagram, LinkedIn, Reddit, TikTok, YouTube, Threads, and more. With features like carousel posting, custom domains, OIDC login, and a Chrome extension, it’s a powerful alternative to paid schedulers—fully self-hostable via Docker.
Simplified One-Line Flowchart
Install Postiz ➔ Configure via Docker ➔ Connect Social Accounts ➔ Schedule Posts Easily
Easy Step-by-Step Method
Step 1: Clone the Repo & Deploy via Docker
- Clone Postiz from GitHub and follow the Docker deployment guide:
https://github.com/gitroomhq/postiz-app/
Step 2: Configure Supported Social Media Accounts
- Postiz supports 19 platforms:
Instagram, Facebook, TikTok, Reddit, LinkedIn, X, Threads, BlueSky, Mastodon, YouTube, Pinterest, Dribbble, Slack, Discord, Warpcast, Lemmy, Telegram, VK, and Nostr.
Step 3: Use PDF Carousel for LinkedIn
- Upload images normally and select “Post as image carousel”—Postiz converts them to a PDF behind the scenes.
Step 4: Enable Multi-Language Support & RTL
- Postiz now supports multiple languages and right-to-left layouts via Lingo.dev:
http://lingo.dev/
Step 5: Enhance Productivity with the Chrome Extension
- Use Postiz’s Chrome extension to override LinkedIn/X post modals and make scheduling faster.
Step 6: Manage OIDC Login (Security Setup)
- By default, OIDC doesn’t work with
DISABLE_REGISTRATION=true. To secure:- Leave registration disabled for public access.
- Enable OIDC for existing users only.
- Invite-based registration is planned for better security.
GitHub security discussion:
https://github.com/gitroomhq/postiz-app/issues/807
Step 7: Fix Common Deployment Issues
- Having trouble with Coolify or Docker? Open a ticket via their Discord for fast support.
Quick Tips (Optional)
- Want to automate Reddit or RSS posting? Use Postiz’s RSS-to-social autoposter.
- Prefer video help? Check their documentation with YouTube videos on setting up different providers.
Important Notes
Security Fix: In earlier versions, enabling OIDC while registration was disabled caused issues—now fixed in v1.48.1.
The FOSS and paid versions are identical. You only need the cloud version if you prefer hosted solutions.
Meta (Facebook/Instagram) currently does not penalize 3rd-party schedulers.
Reddit scheduling is limited—no conversation support, only post scheduling.
Some platforms like Facebook may require app approvals to support link-style posts properly.
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