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Seedream AI

Reference images (optional)

For the best result
  • Optional: add 1 to 10 reference images (JPG, PNG or WebP, up to 10 MB each) to edit or combine them; leave empty to create from text
  • Put any words the image should show in quotes, e.g. a poster headline that reads "Summer Sale"
  • Say what to keep as well as what to change, e.g. "keep her face and outfit, change the background to a beach"
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Aspect ratio
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Seedream AI

Create or edit images with Seedream AI from a prompt and up to ten reference images. Try one free image, no sign-up needed.

Seedream AI result: Seedream AI text-to-image example: vintage travel poster of a mountain lake with the headline "LAKE AURORA"

Example result. Describe your image to make yours.

Examples

Seedream AI result: Seedream AI text-to-image example: vintage travel poster of a mountain lake with the headline "LAKE AURORA"
Seedream AI result

What Seedream AI does on this page

One prompt box, optional reference images, one finished picture per run.

Seedream AI is a family of image models from ByteDance. This page runs Seedream 5.0 Flash: write a prompt and it creates a picture, or add reference images and it edits or combines them as you ask.

There is no mode switch. The same model does both, so a text-only request and a ten-image edit use the same panel. We are an independent site, not run or endorsed by ByteDance or the Seed team.

Pick an aspect ratio and a size up to 2K. You get one free image, no sign-up and no card.

Describe what to keep in your reference images and what to change. The site adds no watermark. It is still AI output, so compare the result with your original before you use it.

Made for

  • Poster and ad ideas
  • Product photo edits
  • Social posts
  • Concept art
  • Text in images
  • Background swaps

Seedream AI versions on this site, side by side

Each version has its own page; the limits below are what each page allows.

This page: 5.0 Flash5.0 Pro5.0 Lite4.5 / 4.0
Sizes1K, 1.5K, 2K1K, 2K2K, 3K, 4K4.5: 2K, 4K; 4.0: 1K, 2K, 4K
Longest prompt4,700 characters4,700 characters2,700 characters4.5: 2,700; 4.0: 4,700
Reference images0 to 100 to 100 to 100 to 10
Aspect ratios8 ratios8 ratios8 ratios8 ratios
Images per run1111
Open it atHome page/seedream-5-pro/seedream-5/seedream-4-5, /seedream-4

How to use Seedream AI online

Three steps from an idea to a downloaded image.

  1. 1

    Write the prompt for Seedream AI

    Describe the picture, or the change you want to a reference. Put any words the image should show in quotes, such as a headline that reads "Summer Sale". The prompt is required. A short, concrete request works better than a list of adjectives: name the subject, the setting and the light.

  2. 2

    Add reference images if you have them

    Click the upload tile or drag in up to ten files: JPG, PNG, WebP or HEIC, 10 MB each. Large photos are shrunk in your browser first. Say what to keep as well as what to change. With no image the page creates from text alone; with images it edits or combines them as the prompt says.

  3. 3

    Choose a shape and generate

    Pick one of eight aspect ratios and a size, then press Generate. The result appears beside the tool and the Download button saves the file. Wait a couple of seconds before a second run. One image comes back per run, so decide the ratio first: 16:9 for banners, 9:16 for stories, 1:1 for posts.

Frequently asked questions

Yes, to try: one free image is free for each visitor across the whole site, with no sign-up and no card. After that the tool tells you the free tries are used. A run that fails is not counted.

Nothing today. This site has no paid plan, no credits and no pricing page, so the free allowance is all there is for now.

Seedream 4.0 has its own page here. It shares the same site-wide free allowance, so one free image covers whichever page you choose.

Making images from a text prompt and editing images you upload: posters with readable words, product photo background swaps, social visuals and concept art. The reference slots take up to ten images. Seedream AI also suits quick drafts before a shoot or a design review.

Seedream is built by ByteDance's Seed team. This site is an independent third party and is not run or endorsed by ByteDance. It sends your prompt and images to a provider that runs the model.

No. This site has no API and no API key for visitors. You use the model through the page, one image per run. There is also no way to download the model to run locally.

The model is spelled Seedream. Seadream, see dream and seeddream are common misspellings of it, and you are on the right page for the image tool.

This page runs 5.0 Flash with sizes up to 2K. Choose the 5.0 Lite page for 3K and 4K, or 4.5 or 4.0 for 4K. Seedream 3.0 is not offered; Seedream 5.0 Pro has its own page. The comparison above lists the limits of each page.

Your prompt and reference images are only used to create your images and are never used to train AI models. Images go to the site's storage and, with the prompt, to the model provider. The result stays on screen until you reload the page.

Yes, you can ask for it: put the exact words in quotes in your prompt. Check spelling and details in the result before you use it.

The download button saves the image file as the model returns it. There is no output-format selector and no transparent PNG export.