Facebook upload limitations
Supported file types: PNG, JPG, MP4, and GIF
Maximum image file size: 4 MB (for PNG and JPG)
Maximum video file size: 250 MB (for MP4 and GIF)
Instagram Upload limitations
Supported file types: JPG and MP4
Maximum image file size: 8 MB (for JPG)
Maximum video file size: 100 MB (for MP4)
Video length: 3 seconds minimum, 60 seconds maximum
Maximum number of uploads: 25 uploads per IG Business account every 24 hours
Maximum number of hashtags: 30 hashtags