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No. 01 — AI Toolsv4.1 · On-Device

Background,gone.

Drop a photo. The AI runs on your device. Your image never touches our servers. No signup, 2 free AI runs to start.

Free for HDWorks offlineNo upload, ever
ReadyWebGPU · on-device
Quality tierDownloaded once, cached forever
Drop an image or choose one to start
JPEG · PNG · WebP · HEIC · AVIF — processed in your browser

2 of 2 free AI runs left. Pro is unlimited.

For every platform you ship to

One transparent cutout. Drop it into product listings, profiles, decks — works anywhere a PNG works.

Etsy listings
Clean backgrounds for product shots
Shopify products
Transparent PNG for storefronts
LinkedIn profile
Cleaner headshot in seconds
Instagram posts
Isolate subjects for any backdrop
Resume photo
Studio look without a studio
Passport photos
Govt-spec photos in your browser
Also known as
Remove background from image →Remove background from photo →Transparent background online →AI background removal →Background eraser →PNG with transparent background →MiniPx vs remove.bg comparison →

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AI Background Remover — Free, Fast & Private

MiniPx's AI Background Remover uses two on-device models: MediaPipe Selfie Segmentation (250 KB, instant) for portraits and selfies, and RMBG-1.4 (44 MB, recommended) for everything else — objects, animals, products. Both run entirely in your browser via WebGPU; nothing is uploaded.

Privacy here is structural, not a promise. There is no server-side image processing — the entire pipeline executes on your machine. If your destination wants a solid backdrop rather than transparency — a directory headshot, a marketplace listing — the add a white background page covers the compose step, including an honest free route through any ordinary editor.

For product photos, headshots, e-commerce cutouts, and design work, on-device removal beats the round trip to a remove.bg-style service in latency, privacy, and cost.

Common use cases: product shots for Shopify, transparent profile pictures, design assets for slide decks, family photo cutouts. If the source photo is on the small side, you can also upscale the cutout 2× or 4× with the AI image upscaler — the same on-device pipeline, so nothing uploads at either step.

How it works

  1. Drop an image: Drag and drop a photo into the tool or click to browse. Pick a quality tier — Instant (250 KB, selfies) or Better quality (44 MB, anything). The model downloads once and caches for next time.
  2. Wait for processing: Background removal takes 1-5 seconds depending on your device. WebGPU-enabled devices are fastest.
  3. Review the cutout: Use the before/after slider to verify the edge quality.
  4. Download: Save the transparent PNG. Free tier outputs 1080p with a small watermark; Pro tier outputs full resolution without any watermark.

Frequently asked questions

Is my photo really never uploaded?
Yes. The AI runs in your browser through WebGPU. Open DevTools, watch the Network tab, drop in an image. You will see no image data leaves. The code doing the work is delivered to your browser, so you can inspect it there.
Why is there a download the first time?
That is the AI model file. Choose Instant tier (250 KB, MediaPipe Selfie — great for people/portraits) or Better quality (44 MB, RMBG-1.4 — handles objects, animals, products). Either way it caches in your browser after the first load and the tool works offline after that.
How does the quality compare to remove.bg?
For portraits, products, and most everyday photos the output is comparable. The Better quality tier (RMBG-1.4) handles hair, fur, and translucent edges well. See our full /minipx-vs-remove-bg/ comparison for the privacy, pricing, and feature breakdown.
Does it work on a phone?
Yes, on any modern browser including iOS Safari 17.4+ and Android Chrome 113+. Processing is slower than on a laptop.
What is the free tier limit?
Free tier processes images up to 1080×1080 pixels and adds a small "minipx.com" watermark. Pro tier removes the watermark, supports up to 4096×4096 pixels, and unlocks the compose-on-background colour palette.
What image formats are supported?
Input: JPEG, PNG, WebP, HEIC, AVIF. Output: PNG with transparent background, or composed on a solid colour you pick.