Terms of Use

Last updated: November 14, 2026

The service

Image4k provides free browser-based tools to upscale, resize, compress and remove backgrounds from images. The tools run on your own device.

Your content

You keep all rights to your images. You are responsible for making sure you have the right to edit and use any image you process with Image4k.

Acceptable use

Do not use Image4k for unlawful purposes, or to create content that infringes others' rights or is intended to deceive, harass or harm others.

No warranty

Image4k is provided “as is”, without warranties of any kind. Upscaling and background removal are automated and results can vary; always check the output before using it for important work.

Limitation of liability

To the extent permitted by law, Image4k is not liable for any loss or damage arising from use of the service.

Open-source components

Image4k uses open-source software including pica (MIT), JSZip (MIT), heic2any (MIT), ONNX Runtime Web (MIT), Transformers.js (Apache-2.0), the ormbg model (Apache-2.0), the MODNet model (Apache-2.0) and the Real-ESRGAN models RealESRNet_x4plus and realesr-animevideov3 (BSD-3-Clause, © 2021 Xintao Wang — license).

Changes

We may update these terms. Continued use after changes means you accept the updated terms.