AI poster generator
Turn a gig, a sale or a favorite quote into a poster made to be read from across a room. Describe one strong image, then write the title and, if you need it, one short line of details. Add a reference image to build the artwork around, and pick a tall, classic or story shape.
Poster examples created with GPT Image 2.5
How it works
Name one strong image, a palette and a style, then write the title exactly as it should appear, plus one short details line if you need it. Choose Tall 2:3, Classic 3:4 or Story 9:16. One reference image can become the key art.
Each run costs 8 credits and creates one 1K poster image in the shape you chose, from words, a reference image or both. The artwork is meant to run to every edge; if a result comes back inside a border or frame, generate again.
Read every letter of the title and details line at full size, then view the poster small to see whether it still reads at a glance. Change the prompt for another version, and download the one you want to share or print small.
Poster design
A poster gets a glance, not a read, so each design is built around one dominant image with strong contrast and clear space for the title. Name that image, such as a comet over rooftops or a stack of sweaters. Pick a style, or let the subject decide: photographic, illustrated, graphic or painterly.
The title and one short details line are taken from your prompt as written, so type them exactly as they should appear. The generator adds no dates, prices, web addresses, QR codes, logos or badges of its own. Give it no words for the lettering and you get an image-led poster instead.
Tall 2:3 and Classic 3:4 follow common poster proportions, and Story 9:16 fits phone screens and digital displays. Each poster is generated in the shape you pick rather than cropped from another one, and all three shapes cost 8 credits.
Prompt ideas
Paste one and swap in your own words. Write the title as it should appear, put the one details line in quotation marks, and describe a single image, a palette and a style.
Two-color screen-print gig poster in tangerine and midnight blue: a lone electric guitar planted on a hilltop, a comet tail streaming from its headstock across the stars, grainy halftone texture, title THE TIN COMETS in tall condensed letters, details line “Live · Friday 9 PM”.
Sale poster with a warm photograph of chunky knit sweaters in rust, oat and forest green stacked on a wooden bench by a window, autumn leaves falling outside, soft side light, large serif title AUTUMN SALE at the top, details line “Kettlefern Knitwear · 30% off”.
Painterly wall-art poster of a winding trail climbing to a mountain ridge at sunrise, one small hiker on the path, peach and violet sky, the words ONE STEP AT A TIME in a centered serif across the upper third, no other text.
Ways to use it
Give a show, a club night, a talk or a tree-planting day one bold image and a big title. Make the name the title and put the day and time in the details line, so the essentials read at a glance.
Announce a seasonal sale or a new collection with one product-led image and a short headline for an in-store screen, your social posts or a small window print. Your own product photo can become the key art; it is recomposed rather than pasted in, so check that the product still looks right.
Set the show's title over artwork in the spirit of the work on display, whether cut paper, ink or photography, with the gallery name or dates in the one short line. A photo of one piece can guide the look, but it will be reinterpreted rather than reproduced.
Make something for your own wall: a landscape, a pattern or a short quote in large lettering. Four or five words usually read best as a quote print. At 1K, the image suits a small frame or a screen rather than a large print.
This generator uses 8 credits for one 1K image. Membership credits work across YouArt image, video, audio, and workflow tools.
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Frequently asked questions
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