Resize Pro (v2026.1)VIP 

Using GPU acceleration Resize Pro is the fastest Texture2D resize tool for Unity.

Has no limits on texture formats and works even with textures that aren’t Read/Write enabled.
Inside Editor textures can be resized directly from Project window or by using batch converter with builtin Texture Converter tool.
Run-time API adds ResizePro() extension methods to the Texture2D class.
Compatible with all render pipelines.
Asset is already included in the Amazing Tools Bundle.

Note:Scripts are packed in dll.
—————————
Supported Unity versions:
• Unity 2019.4, 2020.3 and 2021.3 LTS versions are fully supported.
• Unity alpha and beta versions are never supported.
• Unity ‘tech release’ versions are not officially supported.

Original_Link: https://assetstore.unity.com/packages/tools/utilities/resize-pro-61344

Download Links:

Asset Version (v2026.1)