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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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Seedream 4.5

Create or edit images with Seedream 4.5 from a prompt and up to ten reference images, at 2K or 4K. Try one free image, no sign-up needed.

Seedream 4.5 result: Seedream 4.5 text-to-image example: watercolor storybook fox reading under a mushroom beside a "Quiet Please" sign

Example result. Describe your image to make yours.

Examples

Seedream 4.5 result: Seedream 4.5 text-to-image example: watercolor storybook fox reading under a mushroom beside a "Quiet Please" sign
Seedream 4.5 result

What Seedream 4.5 does on this page

One model, one prompt box, with or without reference images.

This page runs Seedream 4.5. Type a prompt and get one image, or add 1 to 10 reference images and say how to change or combine them. The same page does both, so there is no mode to switch.

Choose 2K or 4K and one of eight aspect ratios, from 1:1 to 21:9. The prompt can be up to 2,700 characters. Your prompt and reference images are only used to create your images and are never used to train AI models.

This site is an independent third party, not run or endorsed by ByteDance or the Seed team. The result is AI output, so compare it with your references before you use it.

Made for

  • Poster makers
  • Product sellers
  • Character artists
  • Social creators
  • Designers

4.5 next to the 4.0 and 5.0 Lite pages

The settings each page on this site offers today.

Seedream 4.5 pageSeedream 4.0 pageSeedream 5.0 Lite page
Resolutions2K, 4K1K, 2K, 4K2K, 3K, 4K
Default resolution2K2K2K
Prompt length2,700 characters4,700 characters2,700 characters
Reference images0 to 100 to 100 to 10
Aspect ratiosEightEightEight
Free allowanceone, shared by all pagesone, shared by all pagesone, shared by all pages

What to make with Seedream 4.5

Jobs that fit the controls this page has.

  • Posters with a headline

    Put the words in quotes, such as a headline that reads "Summer Sale". Check the spelling in the result.

  • Product scenes

    Upload a product photo and ask for a new setting around it, such as a window ledge or a plain studio backdrop. Say that the product should stay the same. Compare the label and shape with your original.

  • Same person, new place

    Add a portrait and write what to keep, for example her face and outfit, then what to change, such as the background.

  • Mixing several images

    Add up to ten references and say what to take from each, like a character from one image placed into another scene.

  • Vertical stories

    Pick 9:16 for phone-first posts, or 3:4 and 2:3 for portrait frames. Choose the shape before you run, since each run makes one image and you cannot change the ratio afterwards.

  • Wide banners

    Use 16:9 for covers and headers, or 21:9 for a cinematic strip. Pick 4K when you want more pixels to crop from.

Frequently asked questions

Yes: you get one free image, with no sign-up and no credit card. The allowance is counted per visitor across the whole site, not per page. There is no paid plan today, so after it is used you cannot buy more.

On this site, the settings differ. The 4.5 page offers 2K and 4K with a 2,700 character prompt, while the 4.0 page also offers 1K and allows 4,700 characters. We make no claim about image quality, and the free allowance is shared across pages.

Yes, choose 4K next to the aspect ratio. The other choice is 2K, which is the default. There is no 1K option on this page.

Up to ten, or none. Without references the page creates an image from your text. With references it edits or combines them as your prompt says. Each file can be JPG, PNG, WebP or HEIC, up to 10 MB.

JPG, PNG, WebP or HEIC, up to 10 MB each. HEIC is converted to JPEG in your browser, and large photos are downscaled to a 2048 pixel long edge and compressed before upload. You can click the upload tile or drag files onto it. Pasting from the clipboard and image URLs are not supported.

You can ask for it. Put the exact words in quotes in your prompt. Check spelling and letter shapes in the result, since it is AI output.

Say what to keep and what to change, for example keep her face and outfit, change the background to a beach. Compare the result with your original.

Once you have used one free image, you cannot generate more images here. Runs also need to be at least 2 seconds apart, and there is no history, so download the result before you reload the page.

No. There is no API or API key for visitors, and no model to download. You use it in the browser on this page.

No. This is an independent site, not run or endorsed by ByteDance or the Seed team. It runs the Seedream 4.5 model for you.

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 your prompt, to the model provider, which keeps the result for a limited time so you can download it.

No. If a run fails, the page says it was not counted. Once the free allowance is used, the tool tells you that you have used all your free tries.

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