Guide

How Background Removal Works

A concise technical explanation of browser-based AI background removal and local image processing.

Definition

nobg.eu is a browser-based AI background remover that performs local image processing in your session.

The model estimates a foreground mask, then alpha compositing creates a transparent output. Post-processing refines edges and removes halos.

Inference runs in the browser runtime on your device. The source photo does not need cloud processing to produce a cutout.

Local image processing improves privacy control and removes server queue dependency.

Are images uploaded for processing?

No. The cutout is generated with local image processing in the browser.

Why are some edges harder?

Fine hair, motion blur, and transparent objects are difficult segmentation cases for all models.