postfa.st
Save 10+ hours weekly with PostFast. Schedule and automate your social media posts across Facebook, Instagram, Threads, X, LinkedIn, TikTok, YouTube, Telegram & more from one dashboard.
First seen 2026-10-05 · Last seen 2026-10-05 · Source: webmcp.com
Answer 5 · Act 0 · Transact 0 · Score: Not yet scored
Tool inspector
get_media_specs
Get the recommended dimensions, aspect ratios, maximum file size, formats and length limits for images or video in one placement on a social platform, such as Instagram Reels or a YouTube thumbnail, from the size guides on postfa.st/sizes. Omit placement to list a platform's placements with their main size.
Page: /
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
platform |
string | yes | Social platform. |
placement |
string | no | Where the media appears, e.g. reels, stories, feed, cover. Omit it to list the placements the platform has. |
Raw JSON schema
{
"type": "object",
"properties": {
"platform": {
"type": "string",
"enum": [
"instagram",
"facebook",
"tiktok",
"youtube",
"x",
"linkedin",
"threads",
"bluesky",
"pinterest",
"google-business-profile"
],
"description": "Social platform."
},
"placement": {
"type": "string",
"enum": [
"feed",
"posts",
"reels",
"stories",
"video",
"shorts",
"carousel",
"pin",
"profile",
"cover",
"group-cover",
"event-cover",
"header",
"banner",
"thumbnail",
"logo"
],
"description": "Where the media appears, e.g. reels, stories, feed, cover. Omit it to list the placements the platform has."
}
},
"required": [
"platform"
],
"additionalProperties": false
}
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