PixMiller Background Remover API

Web · Windows · Mac · API

Freedom report

Two barsScore 5.7

Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

PixMiller Background Remover API is ranked #81 of 94 in AI background removers on Freedom251, made by PixMiller Background Remover API (Hong Kong). It runs on API, macOS, Web, Windows. A free trial is offered.

PixMiller Background Remover API plans and pricing

All plans

Monthly subscription — 40 credits 40 credits / month pixmiller.com · 22 Sept 2026

Monthly subscription — 200 credits 200 credits / month pixmiller.com · 22 Sept 2026

Monthly subscription — 500 credits 500 credits / month pixmiller.com · 22 Sept 2026

Monthly subscription — 1200 credits 1200 credits / month pixmiller.com · 22 Sept 2026

Monthly subscription — 2000 credits 2000 credits / month pixmiller.com · 22 Sept 2026

Monthly subscription — 5000 credits 5000 credits / month pixmiller.com · 22 Sept 2026

Compared on AI background removers

Free plan: Yes
Replacement backgrounds: Yes
Batch processing: Yes
API access: Yes
Maximum output resolution: 4,096 px
Export formats: PNG, JPG

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The record

API function: The REST API removes an image background and returns a transparent PNG.
Processing: The API page says processing is synchronous and usually takes a few seconds, with a typical result URL within about five seconds.
Edge handling: PixMiller states 99.8% edge precision and says hair, fur, and semi-transparent edges are handled automatically.
Inputs and size limits: The API accepts JPG, PNG, and WebP uploads up to 20 MB or a public image URL; its FAQ also lists BMP and a limit under 50 megapixels.
Output options: The API offers preview, full, or auto size settings and auto, PNG, or JPG output formats, with transparent, white, or custom hex background colors.
API limits: The default API rate limit is up to 40 images per minute per key, and the page says to contact PixMiller to raise it.
Temporary results: The API response provides a temporary result URL, and PixMiller says the processed image is automatically deleted after three days.
Integration: The API uses a POST request with an X-Api-Key header and includes copyable cURL, Python, and Node.js examples.
Use cases: PixMiller describes use in bulk e-commerce listings, in-app background removal, and automated ERP, DAM, or script workflows.
Free use: The pricing FAQ says low-resolution images under 640 pixels wide are free for personal use, and new accounts can try one HD image for free.
Security and privacy: PixMiller describes itself as GDPR compliant and SSL encrypted; its privacy policy says uploaded images and generated results are used for requested processing and deleted within 72 hours.
Support: PixMiller says users can contact the company by message or email and that it will respond within 24 hours.
Desktop platforms: The desktop app page offers downloads for Windows and macOS, including Intel and Apple Silicon versions.
Maker and location: PixMiller describes itself as a product of Ullr AI Lab, and its contact page lists Ullr AI Lab in Hong Kong.

Where it ranks on Freedom251

Best AI Background Removers in 2026#81 of 94

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Sources

pixmiller.com/en/api-docs/remove-background/· checked 11 Oct 2026
pixmiller.com/en/pricing/· checked 11 Oct 2026
pixmiller.com/en/privacy-policy/· checked 11 Oct 2026
pixmiller.com/en/contact/· checked 11 Oct 2026
pixmiller.com/en/desktop-app/· checked 11 Oct 2026
pixmiller.com/en/about/· checked 11 Oct 2026