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Terms of Use

Last updated: 20 October 2026. By using opnai.net you agree to these terms.

Use of the service

The tools are provided free of charge, as is, for lawful personal and business use. We may limit usage, change or remove tools, or block abusive traffic at any time.

Acceptable use

You must not upload or process content that:

  • is illegal in your country or ours, including any sexual content involving minors;
  • infringes someone else's copyright, privacy or other rights;
  • is used to harass, deceive, impersonate or harm other people;
  • contains malware, or is meant to attack, overload or probe the service, including automated bulk use without permission.

We may remove content and block access if we believe these rules are broken.

Your content

You keep all rights in the files you upload. You give us permission only to process them to produce the result you asked for. Files are deleted automatically after 24 hours.

Accuracy

AI output, including text recognition and enlarged images, can contain mistakes. Check results before relying on them for important decisions.

Disclaimer and liability

The service is provided without warranties of any kind. To the extent permitted by law, we are not liable for losses arising from use of the service or from unavailable or incorrect results.

Third-party notices

The AI tools run open models on our servers. Their authors and licences:

  • BiRefNet and BiRefNet_HR (background removal), by Zheng Peng et al., MIT licence.
  • Real-ESRGAN (realesr-general-x4v3, RealESRGAN_x4plus, RealESRGAN_x4plus_anime_6B) by Xintao Wang et al., BSD 3-Clause licence, loaded with spandrel (MIT).
  • GFPGAN v1.4 (face enhancement) by Tencent ARC, Apache-2.0 licence.
  • facexlib (RetinaFace face detection and face parsing) by Xintao Wang, MIT licence.
  • LaMa (object and text removal) by Roman Suvorov et al., Apache-2.0 licence, ONNX export by Carve.
  • PP-OCR text detection by PaddlePaddle, run with RapidOCR, Apache-2.0 licence.
  • Florence-2-base (image captions and alt text) by Microsoft, MIT licence.
  • Kokoro-82M (text to speech) by hexgrad, Apache-2.0 licence. Only the English voices are offered, so no additional voice credits apply.
  • DDColor (photo colourisation) by Xiaoyang Kang et al., Apache-2.0 licence, loaded with spandrel_extra_arches (MIT).
  • MediaPipe Tasks Vision and the BlazeFace short-range face detector by Google, Apache-2.0 licence. The Blur Faces tool runs it in your browser.
  • lemo-opuscar (infographic, poster and video templates and renderer) by LemoLab, MIT licence for the code; any look taken from its demo films or stills is credited to LemoLab (CC BY 4.0). These tools run no AI model.
  • python-pptx (PowerPoint export of the slide deck maker) by Steve Canny and contributors, MIT licence.

Each project and its licence text are available from its public repository.

Changes and contact

We may update these terms and will change the date above when we do. Questions: [email protected].