Microsoft Designer is Microsoft’s AI-first design app, and it’s a quick, free way to draft a poster. You describe what you need — for example, “poster for a school science fair on Friday at 5pm” — and Designer generates several poster options with images and layouts to choose from.
Useful features for posters include:
- Prompt-to-poster generation
- AI image generation for custom visuals
- Templates and a simple drag-and-drop editor
- Background removal and image editing
- Integration with Word, PowerPoint and OneDrive for Microsoft 365 users
Designer is free with a Microsoft account and includes a small monthly allowance of AI credits — around 15 per month — which is enough for occasional posters. Microsoft 365 Personal and Family subscribers get a larger shared allowance, and Copilot Pro adds faster, priority generation.
The free credits run out quickly, there are fewer poster templates than Canva or PosterMyWall, brand controls are basic and there’s no built-in printing. For quick, free poster drafts for school, community or small events, especially if you already use Microsoft 365, it’s a handy starting point.