Instagram Publishing
This page contains high-level specifications for scheduling and publishing Instagram posts through Publisher.
If your post does not meet the requirements to publish, Publisher informs you so you can correct the post.
Text
Maximum number of characters: 2,200
Maximum number of mentions (@username): 50
Maximum number of hashtags (#example): 30
Photo
Allowed extensions:
jpg
,jpeg
,png
,bmp
,tif
,tiff
gif
files are not supported.Maximum number of files: 1
Maximum file size: 8 MB
Aspect ratio: from 4:5 to 1.91:1 (0.8 to 1.91)
Reels
Allowed extensions:
mp4
,mov
Maximum number of files: 1
Maximum file size: 1 GB
Minimum duration and maximum duration: 3 seconds to 15 minutes
Maximum dimensions: 1920px x 19,200px
Aspect ratio: from 1:10 to 10:1 (0.1 to 10)
We recommend 9:16 (0.56) to avoid cropping or blank spaces.
Frame rate (frames per second): from 23 to 60 FPS
Video codec: HEVC or H264, progressive scan, closed GOP, 4:2:0 chroma subsampling
Maximum video bitrate: 25 Mbps
Audio codec: AAC, 48khz sample rate maximum, 1 or 2 channels (mono or stereo)
Maximum audio bitrate: 128kbps
Thumbnail:
You can customize the video thumbnail in Publisher.
Allowed extensions:
jpeg
Maximum file size: 8 MB
Story (Auto-publishing)
Maximum number of files: 16
Up to 16 files can be scheduled in a single story post in Publisher, and each file will become its own story at the time of publication.
Aspect ratio: from 1:10 to 10:1 (0.1 to 10)
We recommend 9:16 to avoid cropping or blank spaces.
Photo:
Allowed extensions:
jpg
,jpeg
Maximum file size: 8 MB
Video:
Allowed extensions:
mp4
,mov
Maximum file size: 100 MB
Minimum and maximum duration: 3 to 60 seconds
Frame rate (frames per second): from 23 to 60 FPS
Video codec: HEVC or H264, progressive scan, closed GOP, 4:2:0 chroma subsampling
Audio codec: AAC, 48khz sample rate maximum, 1 or 2 channels (mono or stereo)
Maximum audio bitrate: 128kbps
Story (Manual Publishing)
Manual publishing requires the Emplifi Mobile and Instagram apps.
Allowed extensions:
bmp
,jpg
,jpeg
,png
,tiff
,mp4
,mov
,m4v
Maximum number of files: 16
Up to 16 files can be scheduled in a single story post in Publisher, and each file will become its own story at the time of publication.
Maximum files size: 100 MB
Because manual publishing requires the responsible user to make the post through the Instagram app, it is possible that the assets you upload for the story experience might change at the time of publication.
Carousel
File count: 2 to 10
Photo: The same capabilities as described in Photo for the Instagram platform.
Video: The same capabilities as described in Video for the Instagram platform.
Additional publishing options
Mention any IG profile by using: "@" (there is no autocomplete)
User Tags
Carousels
Label
Scheduling
Uploading cloud-shared assets directly from cloud storage applications
To learn more, see Content Options in Publisher.