PostOnce

PostOnce is an automatic social media crossposting tool and post scheduler for creators, small businesses and agencies. Post a video on one platform and PostOnce republishes it to Instagram Reels, TikTok, YouTube Shorts, Facebook, LinkedIn, X (Twitter), Threads, Bluesky and Pinterest within 20 minutes, no manual reposting. Schedule social media posts, repurpose existing content, and automate multi-platform publishing with 17 integrations including Google Drive, Canva, Dropbox, Zapier, Make and n8n, plus a REST API and MCP server for AI tools like ChatGPT and Claude. Unlimited workflows and posts on every plan, with a 7-day free trial. A simpler alternative to Buffer, Later and Repurpose.io.