Everything you need to create better content
Smart organization meets AI-powered creation. All running privately on your device.
Stop losing great content
Browser bookmarks are flat lists with no context. Postiller extracts full article content, generates AI summaries, and creates searchable embeddings—all on your device.
- Auto-extracted content from any webpage
- AI-generated summaries at a glance
- Full-text semantic search
- Safari Share Extension
Bookmarks view screenshot
Capture thoughts before they vanish
Your best ideas happen at the worst times. Postiller gives fleeting thoughts a permanent home where they can grow into content.
- Quick capture from anywhere
- Hashtag organization
- Auto-matching with bookmarks
- Convert ideas to posts instantly
Ideas view screenshot
AI that sounds like you
Create detailed voice profiles that capture your tone, expertise, and style. Generated content sounds authentically like you, not a robot.
- Define communication style
- Specify topics and expertise
- Multiple personas for different platforms
- Avoid phrases you hate
Personas settings screenshot
From idea to post in seconds
Transform bookmarks and ideas into polished social media content. The AI draws from your specific knowledge, not generic training data.
- One-tap content generation
- Platform-specific formatting
- Multiple draft variations
- Edit and refine inline
Post generation screenshot
Find what you meant, not what you typed
Search by meaning, not keywords. Ask "articles about leadership" and find content about management, team building, and decision making.
- Natural language queries
- Cross-content discovery
- On-device embeddings
- Works completely offline
Search results screenshot
Your AI, your control
Connect your own OpenAI, Anthropic, Google, or xAI API keys. Pay providers directly at standard rates—no middleman, no markup.
- Choose your AI provider
- Pay only for what you use
- No subscription fees
- Switch providers anytime
API settings screenshot
No servers. No tracking. No compromise.
Postiller runs entirely on your device. We don't have servers that store your data—we couldn't access it even if we wanted to. Your bookmarks, ideas, and content stay yours.
Ready to create better content?
Join the waitlist and be first to know when Postiller launches.