What is POSTR.?
POSTR. is a hand-curated library of AI image prompts built for designers, creators, and visual storytellers. We believe the hardest part of AI image generation isn't the tool — it's knowing exactly what to say. That's where we come in. Every prompt in our collection has been written, tested, and refined to reliably produce poster-quality results across Midjourney, DALL·E, Stable Diffusion, Adobe Firefly, and beyond.
Why creators love POSTR.
Expertly Crafted Prompts
Every prompt in our library is tested and refined to produce consistent, print-ready results across the leading AI image generators — no guesswork required.
Every Visual Style Covered
From moody cinematic noir to soft minimalist prints, retro typography to surreal dreamscapes — our growing library spans the full spectrum of poster aesthetics.
One Click to Copy
Unlock a prompt in seconds, copy it with a single tap, and paste it straight into Midjourney, DALL·E, Stable Diffusion, Firefly, or any other generator you prefer.
Skip Hours of Trial & Error
We obsess over the details — lighting angles, focal length, color grading, negative space — so you can go from idea to finished image in minutes, not hours.
How it works
Browse the library
Scroll the feed, filter by category, and find the visual style that fits your project.
Unlock the prompt
Watch a short sponsored ad to reveal the full prompt — or it unlocks automatically if no ad is available.
Copy & generate
Hit copy, paste the prompt into your favourite AI image tool, and get a stunning image in seconds.
Keep coming back
We add new prompts regularly, covering fresh styles, seasonal themes, and trending aesthetics.
Works with any AI image generator
Our prompts are written in plain English and optimised for maximum compatibility. No matter which tool you prefer, POSTR. prompts plug in and produce.
Ready to create?
Browse the full library, find your visual style, and unlock a prompt in seconds.
Explore the library