This table lists the support for each social media channel in Meltwater Engage when creating new posts from Publish. To see channel-specific options for Conversations, check out this dedicated article here.
| Instagram* | TikTok | YouTube | |||
Post Text length | 8,000 | 2,200 | 3,000 | 2,200 | 280 | 5000 |
@mention | Yes | Yes - no dropdown, only by typing full @handle | Yes | Yes - no dropdown, only by typing full @handle | Yes | No |
Images | Yes (up to 10) | Yes (up to 10) | Yes (up to 9) | No | Yes (up to 4) | No |
Links | Yes | No | Yes | No | Yes | No |
Videos | Yes | Yes | Yes | Yes | Yes | Yes |
Reels/Shorts | No | Yes | n/a | n/a | No | Yes |
Hashtags | No limit | Limit of 30 hashtags included between the caption and the first comment | No limit | No limit | No limit | Limit of 15 in video description |
Emojis | Yes | Yes | Yes | No | Yes | No |
Animated GIFs | Yes | No
| Yes | No | Yes | No |
Alt Text | Yes (500 characters) | No (Not available in the API) | Yes (300 characters) | No | Yes (420 characters) | No |
Stories | No (Not available in the API) | Yes | No (Not available in the API) | No | No (Not available in the API) | No |
Multilingual | Partial | Partial | Partial | Partial | Partial | Partial |
*Instagram accounts are limited to 25 API-published posts within a 24 hour moving period.
Notes
A. Post text length
Instagram: Be aware of the following limitations and restrictions for creating Instagram posts
The caption cannot contain more than 30 hashtags.
Twitter:
The following items are included in message length and will affect the character limit:
New non-reply Tweets starting with a @mention.
Any @mentions added in the body of the Tweet.
Embedded links and URLs typed within the message body.
The following items are not included in message length and won't affect the character limit:
When attaching images or videos to the message, the generated URL.
Leading spaces before the first character of a message.
YouTube: Be aware of the following limitations and restrictions for creating YouTube posts
The description cannot contain more than 15 hashtags.
B: Image restrictions
All images must be JPG, PNG, GIF with maximum 8MB file size. In addition, be aware of the following channel-specific limitations:
Facebook: PNG images larger than 1MB may appear pixelated. The maximum file size is 8MB. Aspect ratio must be from 1:1.91 to 1:0.56.
Instagram: Minimum 600px width. Preferred JPEG size is 640x640. Maximum resolution is 1920x1080 and 2,073,600 pixels. Photos must be within a 4:5 to 1.91:1 aspect ratio range. The maximum file size is 8MB.
LinkedIn: Supports JPEG and PNG file types. The maximum file size is 5MB.
Twitter: Maximum image size for a tweet is 1280x1024; maximum file size is 5MB. Although Twitter allows multiple images, you cannot mix a GIF image (animated or static) with any other image type.
C: Links
Links are added through automatic detection of links in all composers (general and channel-specific). If a bit.ly account has been connected, the links can be converted to shorter bit.ly links.
Facebook: Attached links will appear in a 'card' below the post. At this time, the 'card' can not be edited.
LinkedIn: Attached links will appear in a 'card' below the post. The 'card' can be edited by customizing the title, description, and Thumbnail for LinkedIn Links.
Twitter: If Twitter Cards have been enabled for the domain, attached links will appear in a 'card' below the tweet with an image and description. At this time, the 'card' can not be edited. If Twitter Cards have not been enabled, you will receive an error message and the link will need to be embedded.
Learn more about the link process here.
Note: For all links posted to Twitter, the URL will not appear in the body of the tweet when posted, even if it appears in the body of the tweet in the Engage Publisher. This is because when posting, Twitter strips the link and attaches it as a 'card' below the tweet. If two links have been added to a tweet, only the last link will have a 'card' once posted.
D: Video restrictions
The following table describes channel-specific limitations for videos:
Channel | Max. Size | Max. Resolution | Max. Bit Rate | Max. Frame Rate | Max. Length | Formats |
3GB | 1920x1080 | Video bitrate: 4Mbps
Audio bitrate: 256kbps | 30FPS | 20 minutes | mp4 and mov | |
100MB | 1920PX (Horizontal)
Minimum aspect ratio [cols/rows]: 4/5
Maximum aspect ratio [cols/rows]: 16/9 | Video bitrate: VBR, 25Mbps max
|
| 60 seconds (Min. 3 seconds) | mp4 and mov | |
TikTok | 1 GB | minimum height and width of 360 pixels | Converts anything over 1080p back to 1080p -- no actual max | 23-60 FPS | 10 minutes (Min. 3 seconds) | mp4 and mov |
5GB (Min. 75KB) | 4096x2304 (Min. 256x144) (Aspect ratio: 1:2.4 - 2.4:1) | Video bitrate: 6Mbps
Audio bitrate: 128kbps | 10-60 FPS | 10 minutes (Min. 3 seconds) | H264/AVC, MP4, MPEG-1 and MPEG-4 | |
512MB | 1920x1200
(Aspect ratio: 1:2.39 - 2.39:1) | Video bitrate: 25Mbps
Audio bitrate: 128kbps | 40FPS | 140 seconds | mp4 and mov | |
YouTube | 2GB | 3840 x 2160 (Aspect Ratio: 16:9) | Video standard bit rate: 56mbps, high bit rate: 85mbps
Audio bitrates: Mono: 128kbps; Stereo: 384kbps; 5.1:512kbps | Content should be encoded and uploaded in the same frame rate it was recorded. | 15 minutes | mp4 and mov |
E: Reels / Shorts
The following table describes channel-specific limitations for Reels:
Channel | Max. Size | Max. Resolution | Max. Bit Rate | Max. Frame Rate | Max. Length | Formats |
100MB | 1080PXx1920PX
(Aspect Ratio between 0.0:1 and 10:1
Meltwater recommends 9:16) | Video bitrate: VBR, 5Mbps
| 23-60 FPS | 15 minutes max
(Min. 3 seconds) | mp4 and mov |
The following table describes channel-specific limitations for Shorts:
NOTE: There is no specific work flow to make the video a short, the video will show up natively as a short as long as it is >60 seconds long and in portrait orientation.
Channel | Max. Size | Max. Resolution | Max. Bit Rate | Max. Frame Rate | Max. Length | Formats |
YouTube | 2GB | 1080PX-1920px | Same as Regular YT Videos:
Video standard bit rate: 56mbps, high bit rate: 85mbps
Audio bitrates: Mono: 128kbps; Stereo: 384kbps; 5.1:512kbps | Same as Regular YT Videos:
Content should be encoded and uploaded in the same frame rate it was recorded. | 60 sec | mp4 and mov |
F: Animated GIFs
Facebook: You can post up to 1 GIF at a time, as long as it is less than 5MB.
LinkedIn: You can post up to 1 GIF at a time, as long as it is less than 5MB.
Twitter: Twitter displays animated GIFs smaller than 15MB. The maximum resolution is 1280x1080. Although you can attach multiple images to a Tweet, you can only have a single animation. You also cannot mix a GIF image (animated or static) with any other image type.
G: Instagram Stories
Using the web app only - Learn More
Using the web app and mobile app together - Learn More
You can publish 1 media file (image or video) at a time for Instagram stories.
Instagram stories do not support descriptions, unique links, or first comments.
H: Multilingual
When creating content to publish, you can publish in any language.
Engage does not auto-translate text before you publish content.
I: Tagging Pages/Profiles
When creating content to publish, you can use an @mention:
When using @mention for Facebook, you are only able to tag pages, not specific profiles. This is an API limitation for Facebook.
When using @mention for LinkedIn, you can tag pages and profiles.
LinkedIn personal profiles must have certain settings enabled in order to be @mentioned:
Personal profiles must follow your page
Personal profiles must be set to English profile language
Personal profiles must have Off-LinkedIn Visibility setting turned on
When creating your mentions please keep in mind the following functionality
The input is case-sensitive.
Multiple words should be joined using a space.
Numeric characters, wildcards, and Boolean logic are not allowed.
There is a minimum length of 3 characters if no special characters are included, and a minimum of 6 characters if including special characters.
You are not able to use the cross-channel compose box for @mentions. You will need to use the individual post compose box by selecting "Edit" under the post preview panel shown below:
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