# rembg AI Background Removal CLI and Python Library

> rembg is a Python tool for automatic image background removal powered by AI models like U2-Net and SAM. It works as a CLI, Python library, HTTP server, or Docker container, supporting CPU and GPU acceleration for batch processing of images and video frames.

- Skill: `agentskillexchange/rembg-ai-background-removal-cli-and-python-library` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/rembg-ai-background-removal-cli-and-python-library`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/rembg-ai-background-removal-cli-and-python-library/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/rembg-ai-background-removal-cli-and-python-library

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# rembg AI Background Removal CLI and Python Library

rembg is a Python tool for automatic image background removal powered by AI models like U2-Net and SAM. It works as a CLI, Python library, HTTP server, or Docker container, supporting CPU and GPU acceleration for batch processing of images and video frames.

## Installation

Use the upstream install or setup path that matches your environment:
- pip install "rembg[cpu]" # for library
- pip install "rembg[cpu,cli]" # for library + cli
- pip install "rembg[gpu]" # for library
- pip install "rembg[gpu,cli]" # for library + cli

Requirements and caveats from upstream:
- <p align="center">Rembg is a tool to remove image backgrounds. It can be used as a CLI, Python library, HTTP server, or Docker container.</p>
- python: >=3.11, <3.14
- **Note:** NVIDIA GPUs may require onnxruntime-gpu, CUDA, and cudnn-devel. See [#668](https://github.com/danielgatis/rembg/issues/668#issuecomment-2689830314) for details. If rembg[gpu] doesn't work and you can't insta...

Basic usage or getting-started notes:
- text
- Choose **one** of the following backends based on your hardware:
- ### CPU support

- Source: https://github.com/danielgatis/rembg
- Extracted from upstream docs: https://raw.githubusercontent.com/danielgatis/rembg/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/rembg-ai-background-removal-cli/)