Onion AI

OnionAI is an easy-to-use AI design tool that helps creators quickly generate professional posters and visuals — no design skills required.

Just describe your idea, and OnionAI will turn it into stunning visuals and copy in seconds.

🧠 1. Poster Creation Supercharged by AI

1. Type your topic or idea — generate full poster designs and copy instantly, powered by AI creativity.
2. Upload a reference image and let AI create a matching style or layout — design like a pro in one click.
3. Explore 20+ trendy content styles to boost engagement and clicks.
4. Create multiple posters at once with batch generation — up to 10× faster than manual work.

🎨 2. AI Image Editing

1. Access 80+ AI editing scenarios covering everything from photo retouching and portrait enhancement to product mockups and home design.

   Edit your images effortlessly: remove watermarks, replace text, translate, upscale, recolor old photos, and more — all powered by AI.

2. Seamlessly move from AI editing to the design workspace for manual adjustments and advanced customization — all tools included, free to use.

🖼️ 3. Free Poster Template Library

1. Thousands of poster templates available for free — no subscription, no paywall, instant high-res download.
2. Built-in AI copy checker to help you spot and remove sensitive or risky words before publishing.

🪄 4. All-in-One Image & Design Toolkit

Access 20+ free creative tools — all in your browser:

Image compression, format conversion, OCR text extraction, resizing, cropping, watermarking, photo beautification, grid cutting, blog cover maker, logo design, app store screenshots, digital stamp generator, QR code generator, video-to-GIF, meme maker, online Photoshop, whiteboard, flowchart, mind map, ID photo creator, PDF tools, and a Markdown poster editor.

OnionAI makes professional design accessible to everyone.

From solo creators to marketing teams, you can now turn ideas into polished visuals in seconds — beautifully, intelligently, and effortlessly.