Poster.sh

Poster.sh is a design tool that generates posters from a text brief, then edit text and layout. Poster.sh is a web AI poster generator that creates posters from a text brief, with style browsing, prompt optimization and a built-in editor for AI text and object edits, layout changes, QR codes and PNG, JPG or WebP export.

Poster.sh is a web-based AI poster generator that turns a written brief into a finished poster draft. Users describe an idea, pick a visual style and a poster size, and the tool returns a preview inside the same workflow. A prompt optimizer can expand a short description into a more detailed instruction, and two creation modes (Direct Mode for full control, Smart Mode for AI-assisted interpretation) let people choose how much the system rewrites their input. The built-in editor is what separates it from a plain image generator. After a poster is created, a user can select a piece of text in the image and type new wording, or select an object and describe a replacement. Manual changes such as adding text, uploading images, moving layers and adjusting layout are free, while AI text changes and object replacements consume credits per request. The editor can also generate QR codes onto a poster, works in desktop and mobile browsers, and exports PNG, JPG or WebP. Only standard 1K and 2K posters can be reopened for editing, and 4K output is download-only. Discovery is organized around styles and categories. The site offers collections such as Liquid Chrome, Dark Mode, Constructivism, Stencil, Pop Art, Cinematic and Art Nouveau, along with category pages for business, events, social media, creative work, entertainment and education. Standard aspect ratios of 1:1, 3:4 and 9:16 target social feeds, flyers and digital displays. Companion tools handle image format conversion and lossless compression. A community layer adds a credit incentive: public posters that pass review can collect likes and compete on a weekly leaderboard, with credits awarded at 10, 30 and 100 likes. Private posters stay out of ranking. Poster.sh suits marketers, event organizers, educators, small businesses and hobbyists who want a first draft without learning layout software. It sits between general image generators, which rarely allow text correction, and full design suites that demand more skill. Generation costs credits, and the homepage points to a separate pricing page for plan details.