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Powered by
ThinkDiffusion
Pricing
Wan 2.7 is now live. Check it out 👉🏼
Last updated
2026-04-02

S3-IO for ComfyUI is a specialized tool that facilitates seamless interaction with Amazon S3 and S3-compatible storage solutions by enabling users to upload and download images and videos directly from their S3 buckets. It automates file management, allowing for efficient workflow integration within the ComfyUI environment.

  • Streamlines the process of loading images and videos from S3 buckets, enhancing accessibility to media files.
  • Supports uploading local files to S3 and saving processed outputs back to specified S3 locations, ensuring organized file management.
  • Offers thumbnail generation and caching features for quicker previews, optimizing the user experience.

Context

This tool serves as a bridge between ComfyUI and S3 storage solutions, allowing users to manage their media files effectively. Its primary objective is to enhance the workflow by automating the upload and download processes, thereby reducing manual file handling.

Key Features & Benefits

The S3-IO tool brings practical features such as direct loading of media files from S3, the ability to upload local files on demand, and saving outputs back to S3. These functionalities are crucial for users who require a reliable and efficient method of managing large volumes of images and videos without leaving the ComfyUI interface.

Advanced Functionalities

The tool includes advanced capabilities such as the option to specify custom S3 endpoints for compatibility with services like MinIO. It also features intelligent filename management to prevent conflicts when saving files, allowing users to utilize dynamic naming conventions based on date or other node values.

Practical Benefits

By integrating S3-IO into their workflow, users can significantly improve their efficiency and control over media assets. The tool minimizes the time spent on file management tasks, enhances the organization of input and output files, and provides a smoother experience when working with large datasets in ComfyUI.

Credits/Acknowledgments

The S3-IO tool is developed by contributors focused on enhancing ComfyUI functionalities. It is open-source, allowing community collaboration and further development under applicable licenses.

Inner Nodes

VHS_VideoCombine