What is OnePost?
OnePost takes your newsletter and generates platform-native social media posts for 7 platforms in 30 seconds. No reformatting. No "here's my latest newsletter" links.
Step 1: Sign Up
Go to useonepost.com/loginuseonepost.com/loginhttps://useonepost.com/login and click Continue with Google — or enter your email for a magic link.
No password needed.
Step 2: Paste Your Newsletter
Go to the app and paste your newsletter content into the text box. Or enter your newsletter URL (Beehiiv, Substack, etc.) to auto-fetch.
Minimum length: 50 characters Tip: The more complete your newsletter, the better the output.
Step 3: Add Your Subscribe Link
Paste your newsletter subscribe URL. OnePost adds UTM tracking automatically so you can see which posts drive the most signups.
Step 4: Generate
Click Generate posts and watch 7 platform-native posts appear in real-time. Each platform gets its own native voice:
- **X / Twitter** — Punchy, single-idea hooks
- **LinkedIn** — Professional narrative with a lesson
- **Threads** — Conversational 3-4 post sequence
- **Reddit** — Community-first, value-leading posts
- **Bluesky** — Thoughtful contrarian takes
- **Xiaohongshu** — Visual storytelling in Chinese
- **Instagram** — Engaging caption with hashtags
Step 5: Copy & Post
Click the Copy button on any platform tab to copy the post to your clipboard. Then paste directly into the platform.
Next Steps
- Set up your [Brand Voice](/settings) to keep every post on-brand
- Add [Webhooks](/settings) to automate your workflow with Zapier
- Explore the [API](/developers) to integrate OnePost into your tools