Best Knockout API Alternatives in 2026
Updated
20 apps from AI background removers ranked against Knockout API on the same published basis.
- 1Knockout API vs Cutout.Pro
- 2Knockout API vs Slazzer
- 3Knockout API vs Pixelcut
- 4Knockout API vs LocalBG
- 5Knockout API vs Don's Tools Background Remover
- 7Knockout API vs RemoveBackgrounds.ai
- 8Knockout API vs Erase.bg
- 9Knockout API vs Zawa AI Background Remover (formerly X-Design)
- 10Knockout API vs Removal.AI
- 11Knockout API vs Clipdrop
- 12Knockout API vs ClearBackdrop
- 13Knockout API vs BackgroundX
- 14Knockout API vs Pixian.AI
- 15Knockout API vs bgbgone
- 16Knockout API vs ClipCraft AI Background Remover
- 17Knockout API vs Clearcut
- 18Knockout API vs Photoroom
- 19Knockout API vs ImgGen AI Background Removal API
- 20Knockout API vs Vorla Background Remover
- 21Knockout API vs PhotoScissors
Knockout API alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Cutout.Pro | 8.3 | Free plan | $4.99/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 2 | Slazzer | 8.1 | Free plan | Free | API, Linux, Mac, Windows |
| 3 | Pixelcut | 8.0 | Free plan | — | Android, API, iOS, Web |
| 4 | LocalBG | 7.9 | Free plan | €8/mo | API, Linux, Mac, self-hosted, Windows |
| 5 | Don's Tools Background Remover | 7.8 | Free plan | Free | Web, Windows, Mac, Linux, iOS, Android |
| 7 | RemoveBackgrounds.ai | 7.7 | Free plan | Free | Web, iOS, Android |
| 8 | Erase.bg | 7.7 | Free plan | Free | Android, API, Web |
| 9 | Zawa AI Background Remover (formerly X-Design) | 7.5 | Free plan | Free | API |
| 10 | Removal.AI | 7.5 | Free plan | $1.89/mo | API, Mac, Web, Windows |
| 11 | Clipdrop | 7.4 | Free plan | Free | Android, API, iOS, Web |
| 12 | ClearBackdrop | 7.3 | Free plan | Free | API |
| 13 | BackgroundX | 7.3 | Free plan | $10/mo | Web |
| 14 | Pixian.AI | 7.3 | Free plan | $5/mo | API, Web |
| 15 | bgbgone | 7.2 | Free plan | Free | API |
| 16 | ClipCraft AI Background Remover | 7.2 | Free plan | $1.99/mo | Web |
| 17 | Clearcut | 7.2 | Free plan | $5/mo | API, Web |
| 18 | Photoroom | 7.0 | No | — | Web, iOS, Android |
| 19 | ImgGen AI Background Removal API | 7.0 | Free plan | $9.99/mo | API |
| 20 | Vorla Background Remover | 7.0 | Free plan | $5.90/mo | Web |
| 21 | PhotoScissors | 6.9 | No | — | API, iOS, Mac, Web, Windows |
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Questions about Knockout API alternatives
What is the best alternative to Knockout API?
Cutout.Pro, number 1 in AI background removers with a score of 8.3 out of 10. The others here: Slazzer, Pixelcut, LocalBG and 16 more.
What is the best free alternative to Knockout API?
Cutout.Pro is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.