BulkPublish supports:
- Facebook (Pages) and Instagram
- X (Twitter)
- LinkedIn — personal profiles and company Pages
- TikTok and YouTube
- Threads, Bluesky, and Mastodon
- Google Business Profile
- Reddit, Discord, and Telegram
Each platform has its own rules for media (image/video sizes, counts) and post types — the composer guides you and flags anything a platform won't accept before you publish.