Seedream 5.5 Image Generator (seedream55.io)
Turn a prompt or a photo into a 1K or 2K image
seedream55.io is a web app for generating images with Seedream models in your browser. Write a prompt, or upload up to 10 reference images, pick 1K or 2K and one of 8 aspect ratios, and download the result. It runs Seedream 5.0 Pro today and will switch to Seedream 5.5 as soon as it is released. New accounts get free trial credits with no card required; subscriptions and credit packs are on the pricing page. Failed tasks refund their credits.
Key Features & Capabilities
Core highlights, automation workflows, and capabilities offered by this tool
Text
to-image and image-to-image generation: Create a new visual from a written prompt or edit an uploaded photo while specifying what should remain unchanged and what should be replaced.
2K and 4K output options
Generate images in 2K or 4K, with stated credit usage of approximately 10 credits for 2K and 16 credits for 4K output.
Multi
reference image guidance: Upload up to 10 JPEG, PNG, or WebP reference images in a defined order to influence the generated result, useful for maintaining visual direction across a campaign.
Purpose
built creative workflows: Access ready-to-edit templates for background replacement, product photography, headshots, outfit changes, room redesigns, posters, and product social ads.
Designers, marketers and creators who need AI images from a prompt or reference photos.
How It Works (Step-by-Step)
The end-to-end user journey from input to automated output
Step 1
Input a text prompt or upload up to 10 JPEG, PNG, or WebP reference images (up to 5 MB each) for image-to-image generation.
Step 2
Choose a 2K or 4K resolution, select one of eight aspect ratios, and optionally use a prompt template for tasks such as background replacement, product shots, headshots, posters, or room redesigns.
Step 3
Sign in and generate the image in the browser. Credits are charged only for successful generations; failed tasks automatically return credits.
Frequently Asked Questions
Quick answers to common questions regarding functionality, billing, and access
Is it free to try?
Who is it for?
How does it work?
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