# File Asset, Size, and Requirements

Below are the file formats that NiftyKit supports for its Standard Collection. You can initially upload your collection assets to IPFS or directly upload them to NiftyKit.

### Supported File Types:

* **Images** – PNG, JPG, SVG, GIFs.
* **Video** – .MP4 – (you can upload other formats, but Rarible and Opensea don’t always display them correctly).
* **Audio** – only on collection smart contracts via batch upload using CSV or JSON (Upload mp3s first to IPFS)
* **3D/AR** -glb.gltf, zip that contains a .gltf file (must be exported 

### **File Minting Size/ Accepted Types on NFT Marketplaces**

If you have big files, consider resizing or compressing your files before uploading to meet marketplace limitations for them to be displayed perfectly.

| NFT Marketplace    | File Minting Size/ Accepted File Types                                                                                                               |
| ------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Rarible.com**    | <p><strong>Maximum file size of 30MB</strong><br>(PNG, GIF, WEBP, MP4, or MP3.)</p>                                                                  |
| **OpenSea.io**     | <p><strong>Maximum file size of 100MB</strong><br>(Image, video, audio, and 3D model file types are supported)</p>                                   |
| **Mintable.app**   | <p><strong>Maximum file size of 200MB</strong><br>(All image formats, mp4 videos, and GLB 3D files.)</p>                                             |
| **Foundation.app** | <p><strong>Maximum file size of 50MB</strong><br>(JPG or MP4 format)</p>                                                                             |
| **SuperRare.co**   | <p><strong>Maximum file size of 50MB</strong> <strong>(Thumbnail: 10MB)</strong><br>(Image, video, audio, and 3D model file types are supported)</p> |
| **KnownOrigin.io** | <p><strong>Maximum file size of 75MB (Cover Image: 25MB)</strong><br>(Image, video, audio, and 3D model file types are supported)</p>                |


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