BiRefNet Lite / BEN2 · 100% in-browser

Free background remover — full resolution, no upload

Most online removers watermark previews, cap free downloads at low resolution, and upload your photos. WKO AI removes backgrounds with the MIT-licensed BiRefNet Lite and BEN2 models running entirely in your browser — full resolution, free, unlimited, and your image never leaves your device.

Remove a background free See the comparison

Side by side

WKO AI vs typical online removers

Feature WKO AI Online tools

Full-resolution output Always — original size, no downscale Free tier caps at ~0.25 MP; HD costs credits

Price Free, unlimited Pay-per-image or subscription

Privacy Images never leave your device Images uploaded to cloud servers

Sign-up None Account required for full-resolution exports

Works offline Yes, after a one-time 176 MB download No — requires API

Typical free-tier limits observed across popular background removers; check each vendor site for current pricing.

Beyond cutouts

A full image studio, not one trick

Upscale 2× & 4×

Sharpen and enlarge with three self-hosted super-resolution models from 4.9 to 21.6 MB — right after removing the background, still in-browser.
Depth maps

Estimate monocular depth with Depth Anything 3 Small (105 MB, ~26M params) for 3D and creative workflows.
Text-to-image

Generate new images from text with SD-Turbo (2.3 GB, 512×512) and SDXL-Lightning (~3.6 GB, 1024×1024) — all local via WebGPU.

Full resolution. Free. Private.

Open the image studio, drop a photo, and download the cutout at its original size. No account, no watermark, no upload — BiRefNet Lite runs entirely on your device.

Open the image studio Try AI image generation

Free background remover — full resolution, no upload

WKO AI vs typical online removers

A full image studio, not one trick

Upscale 2× & 4×

Depth maps

Text-to-image

Full resolution. Free. Private.