Participant

Question

Best Image upscaling tool

Forum|Forum|5 months ago
December 18, 2025
3 replies
2245 views

Hello everyone,

As contributors, which image upscaler are you using? Please share your experience and the tools you use—especially those that are free, reliable, and have a high image approval rate.

Thank you.

S

stanislava_5223

Known Participant

I'm using dgb.lol (online tool)

M

motivated_days5FE3Author

Participant

Yes, tried it, but it does not support bulk upscale.

Abambo

Community Expert

Yes, tried it, but it does not support bulk upscale.

By @motivated_days5FE3

So you're asking for a free bulk upscaler...

May be you can script it?

ABAMBO | Hard- and Software Engineer | Photographer

daniellei4510

Community Expert

Topaz Gigapixel AI. I've come across nothing else that works as well.

Adobe Community Expert | If you aren't submitting your assets in sRGB, you probably didn't read the rules.

M

motivated_days5FE3Author

Participant

i have checked, but it is paid. upscayl.org was a good option, it was free and supported batch upscale, but now they are also paid.

Nancy OShea

Community Expert

If you expect to be successful, you'll need to budget for premium services.

That goes for AI generators as well as upscalers & photo editing apps.

Copied & pasted from a previous post on Nov 26:

Different AI models have pros & cons, depending on the type of artwork you're looking for. Most high-quality AI requires a paid plan. And whichever service you use, always read their TERMS first.

1. Midjourney

$10/month or $96/year. Struggles with cartoons and fantasy images, but excels at closeups of human faces. Images created with Midjourney are automatically made public. It’s an “open-by-default community,” which means that you can only keep images private if you pay extra for Pro or Mega plans ($60-$120/month). Budget accordingly.

2. Stable Diffusion

$9/month or $90/year. Good prompt adherence & photorealism, but not perfect. Be on the watch for unwanted artifacts.

3. Adobe Firefly

$4.99/month for 100 credits. Firefly excels at photorealism, but struggles with other styles, and text. After generation, Adobe also offers a number of image extras that give it a leg up on the competition, like Generative Fill (where you can change parts of an image), or adding text via Adobe Express.

4. Dall-E 3

Free, or $20/month for unlimited diffusions. Dall-E is easy to use & will generate one 1,024 x 1,024 pixel image per prompt unless you ask for something different. To its credit, images created in Dall-E are NOT shared with the public, unlike other services where you have to pay extra for that privacy. Dall-E has good filters for blocking intellectual property— good for artists but frustrating for users. On the downside, Dall-E generates gibberish text.

This is by no means a complete list of AI services but rather a brief summary of the more popular ones. Try them all and see which ones you like. But understand that AI generated images are never perfect. It's the Contributor's job to correct all artwork for accuracy & quality prior to submission.

Good luck!

Nancy O'Shea— Product User & Community Expert

ZALEZPHOTO

Inspiring

I use Topaz for my drone older drone (mini 3) photos at 1.5 x and get about 75% approval rate

ZALEZPHOTO

1. Midjourney

2. Stable Diffusion

3. Adobe Firefly

4. Dall-E 3

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