There is 512 MB limit per upload, or attachment for posts. That said, you can attach as many files or images to a single post as you'd like.
What types of attachments can I use on Patreon?
- .7Zip
- .aac
- .gif
- .jpeg
- .m4a
- .mp3
- .mp4
- .mpeg
- .ogg
- .png
- .PSD
- .wav
- .wma
- .x-m4a
- .x-wav
- .zip