Generar subtítulos para videos
Este es unContent Creation, Multimodal AIflujo de automatización del dominio deautomatización que contiene 13 nodos.Utiliza principalmente nodos como Gmail, Merge, Webhook, HttpRequest, ExecuteCommand. Usar OpenAI Whisper y LibreTranslate para generar y traducir subtítulos de video
- •Cuenta de Google y credenciales de API de Gmail
- •Punto final de HTTP Webhook (n8n generará automáticamente)
- •Pueden requerirse credenciales de autenticación para la API de destino
Nodos utilizados (13)
Categoría
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"meta": {
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"templateCredsSetupCompleted": true
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"name": "Generate Subtitles for Videos",
"tags": [],
"nodes": [
{
"id": "7fa3143f-a837-4711-a72e-ee8b85e56757",
"name": "Webhook Trigger",
"type": "n8n-nodes-base.webhook",
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"webhookId": "a5f7f098-25f6-40ea-b139-c1fb1ef25b74",
"parameters": {
"path": "generate-subtitles",
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"httpMethod": "POST"
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"name": "Descargar video",
"type": "n8n-nodes-base.httpRequest",
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"parameters": {
"url": "={{$json[\"body\"][\"video_url\"]}}",
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"id": "d0f75494-fa2c-46f1-9ff2-2e17f8a88d0b",
"name": "Extraer audio (FFmpeg)",
"type": "n8n-nodes-base.executeCommand",
"position": [
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"parameters": {
"command": "ffmpeg -i /data/video.mp4 -q:a 0 -map a /data/audio.wav"
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"typeVersion": 1
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{
"id": "8d462da7-7935-4c5d-9528-2f4a41d2b79b",
"name": "Ejecutar Whisper (Local)",
"type": "n8n-nodes-base.executeCommand",
"position": [
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"parameters": {
"command": "whisper /data/audio.wav --model base --output_format srt --output_dir /data/"
},
"typeVersion": 1
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{
"id": "85ffc4ca-8f9d-485b-ab99-83b6774781b0",
"name": "Leer archivo SRT",
"type": "n8n-nodes-base.readBinaryFile",
"position": [
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"parameters": {
"filePath": "/data/audio.srt"
},
"typeVersion": 1
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{
"id": "c982d95f-b63b-4dc0-abc5-0bfdb6fbced9",
"name": "Traducir subtítulos (LibreTranslate)",
"type": "n8n-nodes-base.httpRequest",
"position": [
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"parameters": {
"url": "https://libretranslate.com/translate",
"options": {},
"authentication": "genericCredentialType",
"jsonParameters": true
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"typeVersion": 2
},
{
"id": "aa3eee42-8559-4f05-891c-9169b32f58cf",
"name": "Escribir SRT traducido",
"type": "n8n-nodes-base.writeBinaryFile",
"position": [
448,
560
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"parameters": {
"options": {},
"fileName": "audio_translated.srt"
},
"typeVersion": 1
},
{
"id": "fb95e5aa-dd78-4249-b0d1-775dc259a870",
"name": "Unir rutas",
"type": "n8n-nodes-base.merge",
"position": [
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"parameters": {
"mode": "passThrough"
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"typeVersion": 1
},
{
"id": "dae85000-c87f-4607-b80c-5c9c70276ce1",
"name": "Enviar mensaje",
"type": "n8n-nodes-base.gmail",
"position": [
768,
128
],
"webhookId": "0dc39fa6-fac8-480d-a4cc-a1074edac0c2",
"parameters": {
"sendTo": "your-email@gmail.com",
"message": "Attached are the subtitles (original and translated, if requested).",
"options": {},
"subject": "Video Subtitles Generated"
},
"credentials": {
"gmailOAuth2": {
"id": "f2AXAChfee6nsCv9",
"name": "Gmail account"
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},
"typeVersion": 2.1
},
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"name": "Nota adhesiva",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
"color": 3,
"width": 480,
"height": 480,
"content": "## Input\n- Receives a video URL via webhook.\n- Acts as the workflow’s entry point.\n- Downloads the video from the provided URL.\n- Prepares it for audio extraction."
},
"typeVersion": 1
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"content": "## Audio Extraction & Transcribing\n- Uses FFmpeg to separate audio from the video file.\n- Run Whisper (Local)\n- Uses OpenAI Whisper (running locally) to transcribe the extracted audio into text/subtitles.\n- Read SRT File\n- Reads the generated subtitle file (.srt)\n- Prepares the subtitle data for optional translation."
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"content": "## Translation\n- Combines transcription and translation paths.\n- Ensures that subtitles (original or translated) are passed downstream.\n- Translate Subtitles (LibreTranslate)\n- Sends the .srt file text to LibreTranslate for language translation.\n- Write Translated SRT\n- Outputs a new .srt file containing translated subtitles."
},
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"parameters": {
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"content": "# Subtitle Generator & Translator N8N Template Instructions\n\nThis workflow automatically processes a video URL received via a webhook, generates highly accurate subtitles using **OpenAI Whisper**, and optionally translates them before delivering the final `.srt` file.\n\n---\n\n## 🔴 Prerequisites\n\n- **Self-Hosted N8N** \n This workflow requires a self-hosted N8N instance, as it uses the **Execute Command** node.\n\n- **FFmpeg** \n The **Extract Audio (FFmpeg)** node requires the `ffmpeg` command-line tool to be installed and accessible via your N8N server's shell path.\n\n- **OpenAI Whisper** \n The **Run Whisper (Local)** node requires the `whisper` command-line tool (Python package) to be installed and accessible via your N8N server's shell path.\n\n- **Translation Service** \n You will need a credential for the **LibreTranslate** node "
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}¿Cómo usar este flujo de trabajo?
Copie el código de configuración JSON de arriba, cree un nuevo flujo de trabajo en su instancia de n8n y seleccione "Importar desde JSON", pegue la configuración y luego modifique la configuración de credenciales según sea necesario.
¿En qué escenarios es adecuado este flujo de trabajo?
Intermedio - Creación de contenido, IA Multimodal
¿Es de pago?
Este flujo de trabajo es completamente gratuito, puede importarlo y usarlo directamente. Sin embargo, tenga en cuenta que los servicios de terceros utilizados en el flujo de trabajo (como la API de OpenAI) pueden requerir un pago por su cuenta.
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Paul Abraham
@hellopaulSoftware Engineer & Automation Consultant with over 3+ years in experience helping teams streamline workflows with n8n, APIs, and AI-driven solutions.
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