Kavij review
A free, open-source remover for users who want manual control and self-hosting.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Kavij is a free, open-source AI background remover for portraits, products, pets, illustrations, logos, and other images. It runs on the web, through an API, or as a self-hosted service. Its core workflow uses U²-Net and ISNet segmentation models, with optional alpha matting for hair and fur. This makes it a strong fit for users who want more control than a basic one-click remover, particularly developers and teams that prefer self-hosted tools.
The editing feature set is broader than background removal alone. Kavij includes manual erase, restore, smart erase, pen, rectangle, ellipse, and shape-selection tools, allowing users to correct areas the automated segmentation does not handle as desired. Replacement backgrounds include transparent output, solid colors, gradients, blur, and photos. Batch processing and ZIP downloads support repeated image work, while PNG and JPG export cover common delivery formats. Uploads can also be provided by URL, and the homepage states a 20 MB upload limit.
Kavij’s platform fit is a notable strength for technical users. The self-hosted POST /api/remove endpoint provides an integration path, while the web interface supports users who do not need to manage deployment. The product states that uploaded images are processed in memory and discarded after processing, and commercial use is supported. Choose Kavij if open-source availability, manual refinement, replacement backgrounds, batch work, or self-hosting matter most. Users seeking only the simplest one-click experience, or export formats beyond PNG and JPG, may prefer a narrower alternative.
Kavij pros and cons
- Where it wins
- Multiple segmentation models with hair and fur refinement
- Manual erase, restore, smart erase, and shape-selection tools
- Batch ZIP downloads plus a free self-hosted API
- Where it doesn't
- The browser upload limit is 20 MB per image
- Exports are limited to PNG and JPG formats
- Manual controls may be more involved than one-click workflows
Kavij fact sheet, pricing and score →
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