---
title: Dduf Check
emoji: 🌍
colorFrom: indigo
colorTo: gray
sdk: docker
pinned: false
app_port: 3000
---

# DDUF Check

This spaces analyzes a file and checks if it is a DDUF file. A DDUF file is an uncompressed ZIP that contains .json and .safetensors files, with max one level of nesting.

You can generate a simple DDUF file by running the following command:

```bash
cd dduf-content && zip -r -0 ../file.dduf .
```

You can try zip 64 format by running the following command:

```bash
cd dduf-content && zip -r -0 -fz ../file-64.dduf .
```

## Credits

- https://en.wikipedia.org/wiki/ZIP_(file_format)
- https://blog.yaakov.online/zip64-go-big-or-go-home/