Content to Podcast

Transform any written content—blog posts, reports, slide decks, or documentation—into engaging podcast audio. Perfect for content marketers, educators, and teams who want to repurpose written materials into audio format.

Why teams use it

• Repurpose content: Turn blog posts, whitepapers, and reports into podcast episodes
• Reach audio audiences: Expand your content reach to podcast listeners and commuters
• Save production time: Automated scriptwriting and voice synthesis in minutes
• Multi-channel distribution: Distribute the same content via email, podcast feeds, or internal channels
• Works with any format: PDF, PPTX, Google Docs, or plain text

How it works

1. Upload content to a Needle Collection (PDFs, slides, docs, or URLs)
2. Filter files with a code node to select which content to process
3. Extract text from your content with Needle's file parsing
4. Generate script with GPT-5—conversational, engaging podcast narrative
5. Text-to-speech with ElevenLabs—natural, professional audio
6. Fetch recipients from Google Sheets for email distribution
7. Send via email with podcast MP3 attached, or upload to your podcast host

What makes great podcast content

• Conversational tone: The AI rewrites content into natural, spoken language
• Key takeaways: Ends with memorable highlights
• Examples and stories: Makes concepts easy to understand
• Adjustable style: Customize the prompt for formal, casual, energetic, or educational tone

Tips for best results

• Structure your content: Use clear headings and sections
• Export to PDF: For best text extraction from slides or documents
• Batch processing: Add multiple files to convert a content series
• Voice cloning: Clone your brand's voice or founder's voice with ElevenLabs
• Schedule runs: Automate weekly podcast creation from your blog RSS or content calendar

Setup (5–10 minutes)

1. Create a Needle Collection at needle.app/dashboard/collections and upload your content
2. Connect integrations: Gmail, Google Sheets, and ElevenLabs
3. Configure collection IDs in the List Files and Get File Contents nodes
4. Customize the AI prompt to match your podcast style (formal, casual, energetic, etc.)
5. Add recipient emails to your Google Sheet (Column A, header: "Email")
6. Test the workflow and download your first podcast MP3

FAQ

What content works best? Blog posts, educational materials, reports, and slide decks. Content with clear structure (headings, sections) produces the best results.

Can I customize the voice? Yes. Clone your own voice or choose from ElevenLabs' voice library. Update the

voice_id

How long should my content be? Aim for 500-2000 words for a 3-10 minute podcast. Adjust the AI prompt to control output length.

Can I batch multiple pieces of content? Yes. Upload multiple files to your Collection and customize the code filter to process specific files by name or date.

Can I change the podcast style? Absolutely. Edit the system prompt in the AI node to be more formal, energetic, technical, or conversational.

How do I distribute the podcast? The workflow emails MP3 files to recipients from your Google Sheet. You can also upload to Spotify, Apple Podcasts, or your website.

Ready to turn your content into podcasts? Open the template and create your first episode in minutes.