BrandBastion supports the following media file types and sizes for Instagram. The limits are established by Meta's API.

Max. Number of Images Per Post: 10
Max. Image Size: 8MB
Supported File Types: .jpg
Aspect Ratio range: Must be within a 4:5 to 1.91:1
Minimum width: 320 (will be scaled up to the minimum if necessary)
Maximum width: 1440 (will be scaled down to the maximum if necessary)
Height: Varies, depending on width and aspect ratio
Color Space: sRGB. Images using other color spaces will have their color spaces converted to sRGB.

File Type: MOV or MP4 (MPEG-4 Part 14), no edit lists, moov atom at the front of the file.
Audio codec: AAC, 48khz sample rate maximum, 1 or 2 channels (mono or stereo).
Video codec: HEVC or H264, progressive scan, closed GOP, 4:2:0 chroma subsampling.
Frame rate: 23-60 FPS.
Picture size: Maximum columns (horizontal pixels): 1920
Required aspect ratio is between 0.01:1 and 10:1 but we recommend 9:16 to avoid cropping or blank space.
Video bitrate: VBR, 25Mbps maximum
Audio bitrate: 128kbps
Duration: 15 mins maximum, 3 seconds minimum
File size: 1GB maximum

Media Upload Types and Size Limits