Media guidelines for publishing across social channels
Types of post supported across channels
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Channels
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Image Post
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Video Post
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Documents
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Stories
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Reels
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Shorts
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Facebook Page
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Mastodon
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X
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Instagram
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LinkedIn Page
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LinkedIn Profile
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Google My Business
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YouTube
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Pinterest
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TikTok
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| Threads |
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Bluesky
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Number of media files supported across social media channels
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Channel |
Image |
Video |
Document
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Facebook Page |
10 as a post, 1 as story |
1 as a post, 1 as a reel, 1 as story |
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Mastodon
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4
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1
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X |
4 |
1 as a post |
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10 as a post, 10 stories |
10 as a post, 1 as a reel, 1 story for direct publishing, 10 Video Stories (if Manual publishing is enabled) |
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LinkedIn Page |
10 |
1 |
1
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LinkedIn Profile |
10 |
1 |
1
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Google My Business |
1 |
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YouTube |
- |
1 as a post, 1 as Shorts |
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1 |
1 |
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TikTok
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10
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1
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Threads
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10 |
1
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Bluesky
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4 or 1 GIF
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1
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- You can upload up to 10 images in the New Post window.
- You can upload 1 media file and publish it right away using direct publishing or up to 10 media files using manual publishing for an Instagram Story.
Requirements for publishing Images, and Videos
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Image (Post, Stories) |
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File Format |
PNG, JPEG, JPG, and GIF for Posts and JPEG for Stories |
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Dimensions |
No limitations |
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Aspect Ratio |
Between 1.91:1 and 3:4 for Posts and 9:16 is recommended for Stories |
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File Size |
8 MB |
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Video (Post and Stories) |
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File Format |
MOV or MP4 (MPEG-4 Part 14) |
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Dimensions |
Maximum width of 1920 Pixels |
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Aspect Ratio |
Between 0.8 and 1.78 |
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Duration |
Between 3s and 60s |
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File Size |
100 MB for Post and Stories |
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Audio CODEC |
AAC, 48khz sample rate maximum, 1 or 2 channels (mono or stereo) |
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Video CODEC |
HEVC or H264, progressive scan, closed GOP, 4:2:0 chroma subsampling |
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Audio Bitrate |
128 kbps |
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Video Bitrate |
VBR, 25 Mbps maximum |
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Frame Rate |
23-60 FPS |
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Reels |
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File Format |
MOV or MP4 (MPEG-4 Part 14) for Post and Stories |
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Dimensions |
Maximum width of 1920 Pixels |
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Aspect Ratio |
Between 0.01:1 and 10:1 |
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Duration |
Between 3s and 15 mins |
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File Size |
1 GB |
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Audio CODEC |
AAC, 48khz sample rate maximum, 1 or 2 channels (mono or stereo). |
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Video CODEC |
HEVC or H264, progressive scan, closed GOP, 4:2:0 chroma subsampling |
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Audio Bitrate |
128 kbps |
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Video Bitrate |
VBR, 25Mbps maximum |
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Frame Rate |
23-60 FPS |
YouTube
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Video |
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File Format |
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Dimensions |
No limitations |
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Aspect Ratio |
No limitations |
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Duration |
30 Mins |
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File Size |
5 GB |
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Audio CODEC |
AAC-LC |
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Video CODEC |
VP9 as well as H.264 , H.265 |
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Audio Bitrate |
128 kbps to 512 kbps |
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Video Bitrate |
Between 1 mbps to 160 mbps for SDR and 6.5 mbps to 200 mbps for HDR |
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Frame Rate |
24-60 FPS |
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Shorts |
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File Format |
MOV, MP4 |
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Dimensions |
No limitations |
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Aspect Ratio |
Less than or equal to 1 |
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Duration |
Maximum of 180s |
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File Size |
5 GB |
Facebook Page
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Image |
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File Format |
JPG, JPEG, BMP, PNG, GIF, TIFF |
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Dimensions |
30000 x 30000 Pixels |
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Aspect Ratio |
No limitations |
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File Size |
15 MB |
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Video |
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File Format |
MP4, MOV for Post and Stories |
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Dimensions |
Minimum of 120 X 120 Pixels |
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Aspect Ratio |
No limitations |
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Duration |
30 Mins |
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File Size |
1 GB for Post and Stories |
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Audio CODEC |
AAC |
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Video CODEC |
No limitations |
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Audio Bitrate |
No limitations |
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Video Bitrate |
No limitations |
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Frame Rate |
No limitations |
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Image - Story |
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File Format |
jpeg,jpg,gif,png |
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Dimensions |
30000 x 30000 Pixels |
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Aspect Ratio |
No Limitations |
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File Size |
Less than 4MB |
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Video - Story |
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File Format |
mp4,mov |
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Dimensions |
Minimum of 540 x 960 Pixels |
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Aspect Ratio |
9:16 |
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Duration |
3 to 60 seconds |
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File Size |
1 GB |
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Audio Codec |
Channels – Stereo |
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Video Codec |
Chroma subsampling 4:2:0 |
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Audio Bitrate |
128kbs+ |
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Frame Rate |
24 to 60 frames per second |
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Reels |
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File Format |
MP4, MOV |
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Dimensions |
Minimum of 540 x 960 |
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Aspect Ratio |
9:16 |
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Duration |
Between 3s and 90s |
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File Size |
No limitations |
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Audio CODEC |
No limitations |
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Video CODEC |
No limitations |
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Audio Bitrate |
No limitations |
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Video Bitrate |
No limitations |
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Frame Rate |
Minimum of 23 FPS |
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X
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Image |
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File Format |
JPG, PNG, GIF, JPEG |
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Dimensions |
Between 4 X 4 and 8192 x 8192 Pixels |
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Aspect Ratio |
No limitations |
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File Size |
5 MB |
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Video |
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File Format |
QuickTime, MOV |
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Dimensions |
Between 32 x 32 and 1280 x 1024 Pixels |
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Aspect Ratio |
Between 1:3 and 3:1 |
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Duration |
Between 0.5s and 140s - Non-premium X account Between 0.5s and 120mins - Premium X account
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File Size |
512 MB |
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Audio CODEC |
AAC LC |
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Video CODEC |
H264 High Profile |
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Audio Bitrate |
128 kbps |
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Video Bitrate |
5000 kbps |
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Frame Rate |
Upto 60 FPS |
LinkedIn Profile and Page
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Image |
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File Format |
JPG, JPEG, PNG and GIF , GIF format supports up to 250 frames |
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Dimensions |
Upto 36152320 pixels |
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Aspect Ratio |
No limitations |
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File Size |
No limitations |
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Video |
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File Format |
MP4 |
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Dimensions |
Between 256 x 144 and 4096 x 2304 |
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Aspect Ratio |
Between 5/12 and 2.4 |
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Duration |
Between 3s and 30 minutes |
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File Size |
200 MB |
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Audio CODEC |
No limitations |
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Video CODEC |
No limitations |
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Audio Bitrate |
192 kbps - 30 Mbps |
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Video Bitrate |
No limitations |
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Frame Rate |
Upto 30 FPS |
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Documents |
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Size |
Upto 100 MB |
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File Format |
DOC, DOCX, PPT, PPTX, PDF |
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Page Count |
Maximum of 300 pages |
Google Business Profile
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Image |
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File Format |
JPG or PNG |
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Dimensions |
Between 250 x 250 Pixels and 3000 x 3000 Pixels |
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Aspect Ratio |
No Limitations |
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File Size |
5 MB |
Pinterest
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Image |
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File Format |
PNG or JPEG |
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Dimensions |
Minimum of 75 x 75 Pixels |
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Aspect Ratio |
0.66 |
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File Size |
20 MB |
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Video |
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File Format |
MP4, MOV |
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Dimensions |
No limitations |
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Aspect Ratio |
Taller than 1.91:1 and shorter than 1:2 |
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Duration |
Between 4s and 900s |
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File Size |
1 GB |
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Audio Codec |
No limitations |
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Video Codec |
No limitations |
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Audio Bitrate |
No limitations |
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Video Bitrate |
No limitations |
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Frame Rate |
No limitations |
TikTok
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Image |
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File Format |
JPEG, JPG, PNG |
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File Size |
Upto 20MB for each image |
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Dimensions |
1080 x 1920 Pixels or 1920 x 1080 Pixels. |
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Video |
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File Format |
MP4, MOV |
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Dimensions |
Minimum of 360 x 360 Pixels |
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Aspect Ratio |
No limitations |
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Duration |
Between 1s and 600s |
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File Size |
1GB |
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Audio Codec |
No limitations |
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Video Codec |
No limitations |
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Audio Bitrate |
No limitations |
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Video Bitrate |
No limitations |
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Frame Rate |
Between 23 to 60 FPS |
Threads
| File Format | JPEG, PNG |
| File Size | 8 MB |
| Aspect Ratio | 10:1 |
| Dimensions | Minimum of 320 pixels |
| Height | Varies depending on width and aspect ratio |
| Color Space | sRGB |
| Frame Format | MOV, MP4 |
| Audio Codec | AAC, maximum of 48khz sample rate, 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 |
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Duration
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Between 1s and 300s
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| Dimensions | Maximum of 1920 pixels (horizontal columns) |
| Audio Bitrate | 128 Kbps |
| Video Bitrate | VBR, 25 Mbps maximum |
| File Size | Maximum of 1 GB |
| Aspect Ratio | Between 0.01:1 and 10:1 (We recommend 9:16 to avoid further cropping or blank space) |
The character limit and the media requirements differ based on servers in Mastodon. Please make changes to your content or the media files based on the requirements mentioned in the error message. Check here for the media requirements of popular Mastodon servers
Bluesky
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Image
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| File Size | 1MB for images and GIFs |
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Video
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File Size
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Maximum of 50MB
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Duration
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1 to 180 seconds
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