{"product_id":"n8n-workflow-captioned-vertical-video-clips-from-google-drive","title":"n8n Workflow: Captioned Vertical Video Clips from Google Drive","description":"\u003ch3\u003eTurn long videos in Google Drive into vertical, captioned clip reels—automatically\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow watches a specific \u003cstrong\u003eGoogle Drive\u003c\/strong\u003e folder, then automatically extracts \u003cstrong\u003e9:16 vertical video clips\u003c\/strong\u003e with \u003cstrong\u003eburned-in captions\u003c\/strong\u003e using CNAPS. Each resulting clip is saved back to Drive and logged in \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e, with a \u003cstrong\u003eSlack\u003c\/strong\u003e notification when clips are ready.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriggers on new uploads:\u003c\/strong\u003e when a new video file is created in your chosen input Google Drive folder.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaits safely for processing:\u003c\/strong\u003e it calculates a processing wait time from the video’s Drive-reported duration, and prevents using the same folder for both input and output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUploads the video to CNAPS:\u003c\/strong\u003e opens a \u003cstrong\u003eCNAPS MCP\u003c\/strong\u003e session, requests a one-time upload URL, downloads the source video from Google Drive, and uploads it to CNAPS.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtracts and captions clips:\u003c\/strong\u003e starts a CNAPS clip-extraction run that reframes to \u003cstrong\u003e9:16\u003c\/strong\u003e and \u003cstrong\u003eburns in captions\u003c\/strong\u003e, then waits until processing completes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcesses CNAPS results:\u003c\/strong\u003e fetches the final list of subtitled clips, flattens them into one item per clip with titles and timecodes, and downloads each clip as an \u003cstrong\u003eMP4\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSaves + logs outputs:\u003c\/strong\u003e stores each clip in your configured Google Drive output folder and appends clip metadata plus the Drive link to a Google Sheets tab.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNotifies via Slack:\u003c\/strong\u003e posts a summary of created clips, or an error message if CNAPS returns no clips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRepurpose long-form recordings into short vertical social clips for daily posting.\u003c\/li\u003e\n  \u003cli\u003eAutomatically generate captioned excerpts for product demos stored in Google Drive.\u003c\/li\u003e\n  \u003cli\u003eMaintain an auditable library of clip outputs with Drive links in Google Sheets.\u003c\/li\u003e\n  \u003cli\u003eGet real-time Slack alerts for successful clip extraction runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoogle Drive\u003c\/strong\u003e (trigger + download\/source upload destination)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e (append clip metadata and Drive links)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlack\u003c\/strong\u003e (success\/error notifications)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNAPS MCP\u003c\/strong\u003e client at \u003ccode\u003ehttps:\/\/mcp.cnaps.ai\/mcp\u003c\/code\u003e using header auth (\u003ccode\u003ex-api-key\u003c\/code\u003e)\u003c\/li\u003e\n  \u003cli\u003eBuilt with n8n nodes such as \u003cstrong\u003eif\u003c\/strong\u003e, \u003cstrong\u003eset\u003c\/strong\u003e, \u003cstrong\u003ecode\u003c\/strong\u003e, \u003cstrong\u003ewait\u003c\/strong\u003e, \u003cstrong\u003eslack\u003c\/strong\u003e, and \u003cstrong\u003esticky note\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45865772712115,"sku":"N8N-18341","price":58.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/ROB7E0AUx9D2G9dfXVjs9_fH2hDI9w.png?v=1787045035","url":"https:\/\/buyflowscripts.com\/products\/n8n-workflow-captioned-vertical-video-clips-from-google-drive","provider":"N8N Commerce","version":"1.0","type":"link"}