Side by side
Knockout API vs RemoveBackgrounds.ai
Both stand on background removers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
Knockout API combines a broad set of image tools with asynchronous video background removal and developer clients. Review the monthly image and request limits, and the listed plan prices, against your workload.
Visit Knockout API Free plan AndroidiPhoneWeb
RemoveBackgrounds.ai offers free batch background removal with replacement options across web and mobile platforms. Its batch limit, export formats, and lack of API access are worth weighing against your workflow.
Visit RemoveBackgrounds.aiThe facts
| Knockout API | RemoveBackgrounds.ai | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | Android, iPhone, Web |
| Lowest paid plan | Knockout Plus: $10 a month | Free or on request |
| Plans published | 4 | 2 |
| Maker | Not published | Not published |
| Website | useknockout.com | removebackgrounds.ai |
| On background removers | #15 of 70 | #11 of 70 |
Knockout API: what it does well
- Browser Canvas supports layered designs with text and effects.
- Free account can save canvases and cutouts.
- Image uploads are not used for model training.
- Official Node, React, Python and CLI options are listed.
- Video background removal supports asynchronous job polling.
What to know first
- Free usage is limited to 30 images monthly.
- Free usage is limited to 60 requests per minute.
- Pay-as-you-go video removal costs $0.10 per output second.
RemoveBackgrounds.ai: what it does well
- Free plan is billed 100% free forever.
- Processes up to 30 images per batch.
- Can replace backgrounds.
- Exports PNG, JPEG, and WebP.
- Commercial use is allowed.
What to know first
- Batch size is capped at 30 images.
- API access is not available.
- Only three export formats are listed.
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