Templates / Convert Telegram voice messages to Google Docs with Whisper & GPT-4o tagging

Convert Telegram voice messages to Google Docs with Whisper & GPT-4o tagging

Needs changes

by Julian Reich ✓ · 434 views · created 2025-09-01 · Internal Wiki, AI Summarization

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: Function (legacy). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 9 nodes and runs on Telegram events (message). Along the way it connects Telegram, OpenAI and Google Docs.

How it runs

Trigger: On Telegram events (message).

  1. Check if Audio file (If): checks a condition and branches into true / false
  2. Get a file (Telegram): work with file
  3. Set field (Edit Fields (Set)): sets 1 field: text
  4. OpenAI: transcribe (audio)
  5. Message a model (OpenAI): uses OpenAI
  6. Text formatieren (Function): runs custom JavaScript (legacy Function node)
  7. In Google Doc speichern (Google Docs): update
  8. Bestätigung senden (Telegram): uses Telegram

Services it uses

TelegramOpenAIGoogle Docs

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • Function (legacy) in Text formatieren: replace with Code node, mode 'Run Once for All Items'.

Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).

Removed in 3.0Replace with
Function (legacy)
Text formatieren
Code node, mode 'Run Once for All Items'

Nodes used (7)

From the author

This n8n template demonstrates how to automatically convert voice messages from Telegram into structured, searchable notes in Google Docs using AI transcription and intelligent tagging. Use cases are many: Try capturing ideas on-the-go while walking,…

Excerpt from Julian Reich 's description on n8n.io.

View the original on n8n.io → Check your own copy

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