Summarize PDFs with Groq AI and Convert to Audio using Qwen TTS

This workflow contains community nodes that are only compatible with the self-hosted version of n8n.

How it works User Uploads PDF** : The workflow accepts a PDF via webhook. Extract Text** : n8n extracts the text content from the PDF. Summarize with AI** : The extracted text is passed to an AI model (Groq) with OpenAI model for summarization. Generate Audio** : The summary text is sent to a TTS (Text-to-Speech) API (Qwen-TTS-Demo), you can use other free alternatives. Serve Result** : The workflow outputs both Summary and Audio File URL (WAV link) which you can attached to your audioPlayer.

This allows users to read or listen to the summary instantly.

How to use / Requirements Import Workflow** : Copy/paste the workflow JSON into your n8n instance. Set Up Input Trigger** : If you want users to upload directly you can use webhook or any other trigger. Configure AI Node** : Add your own API key for (Groq / Open AI). Configure TTS Node** : Add credentials for your chosen TTS service. Run Workflow** : Upload a PDF and get back the summary and audio file url.

n8n-smart pdf summarizer & voice generator

Please reach out to me at Laiba Zubair if you need further assistance with you n8n workflows and automations!