Accepted Media Formats

Postly supports a wide range of media formats and optimizes your content to meet platform-specific requirements automatically. Enjoy generous video upload limits across all premium plans.

Explore our Video Upload Limit guide

Important Notes:

1. Platform-Specific Video Requirements: Postly automatically adapts media to different platform formats, but these platforms have strict requirements:

  • Facebook Reels/Stories: 1080 x 1920 px
  • Instagram Reels/Stories: 1080 x 1920 px
  • TikTok Video Posts: 1080 x 1920 px

2. API-Driven Specifications: Media specifications are determined by platform APIs and may differ from native app capabilities.

3. Premium Video Uploads: All premium plans unlock Postly's unbeatable video upload limits, supporting high-quality, long-form content with no throttling.

TikTok Publishing

Video Specs

• Up to 4GB, 10 minutes

• Formats: MP4, WebM, MOV

• Resolution: 1080x1920px

• Premium plans: Unbeatable upload limits

TikTok only displays content from the title field. Check our Video Upload Limit guide for premium plan details.

YouTube Publishing

Main Content

• Videos up to 10GB

• Shorts auto-published (60s max)

• Premium plans: No throttling for long-form content

Engagement

• Add first comment in description

Facebook Publishing

Media Options

• Multiple images/videos

• Carousels (10 images)

• Stories (10 images)

Technical Specs

• Images: <8MB, JPEG/PNG/GIF

• Videos: 10GB max, 4 hours

• Facebook Reels video: Max size 10GB, 90 secs, 1080 x 1920 px

• Facebook Stories video: Max size 10GB, 60 secs, 1080 x 1920 px

• Premium plans: High-quality uploads without limits

Cannot mix images and videos in same post. See Video Upload Limit guide for premium benefits.

Threads Publishing

Text Posts

• 500 character limit

• Replies delayed 15-30s

Media

• Images: 8MB max

• Videos: 1GB, 5 minutes

• Premium plans: Enhanced video upload capacity

Instagram Publishing

Posts

• 2,200 character limit

• 8MB images

• Instagram video Post: Max size 1GB, 3 secs min, 15 mins max, 1080 x 1080 px

• Instagram Reels video: Max size 4GB, 90 secs max, 1080 x 1920 px

• Premium plans: Seamless high-quality uploads

Stories

• Instagram Stories video: Max size 100MB, 60 secs max, 1080 x 1920 px

Twitter Publishing

Tweets

• 4 images max

• 512MB videos

• Premium plans: Optimized video uploads

Features

• Thread support

• Poll creation

LinkedIn Publishing

Content

• 5GB videos

• 9 images max

• Poll support

Google Business Profile

Limitations

• One image at a time

• No video support via API

Pinterest Publishing

Media

• Images and videos

• Formats: MP4, WebM, MOV

• Premium plans: Enhanced video upload limits

Reddit Publishing

Posts

• Media-only publication

• Text with media ignored

• Premium plans: High-quality video support

Telegram Publishing

Options

• 9 images per post

• Custom bot support

• Videos: 20MB max.

Blogger Publishing

Content

• Text, images, videos

• Multiple formats supported

• Premium plans: High-quality video uploads

RSS Feed Publishing

Integration

• Direct feed publishing

• Automatic content sync

WordPress Publishing

Features

• Full blog post support

• Self-hosted compatibility

• Premium plans: Enhanced video integration

Bluesky Publishing

Media Limits

• 1MB images

• 60s videos

• 25/day upload limit

• User tagging

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