Telegram OCR Bot with Mistral AI

Name: Telegram OCR Bot with Mistral AI
Rating: 5 (5 reviews)
Author: Free N8N

Beginner

6 nodes connected

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Free N8N Temples

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10 downloads

AI & Machine LearningAutomationDocument ProcessingMistral AIOCRTelegram Bot

Automated OCR for image and PDF files sent via Telegram, powered by Mistral AI.

About This Workflow

This n8n workflow enables users to send image (PNG, JPEG) and PDF files to a Telegram bot, which then utilizes Mistral AI's OCR capabilities to extract text. The extracted text is formatted as a Markdown file and returned to the user via Telegram.

Key features include file size validation (25 MB limit), Markdown output, secure file delivery through a self-referential link, and an optional whitelist for access control.

Key Features

Telegram Integration: Seamlessly receive files via a Telegram bot.
Multi-File Type Support: Handles PNG, JPEG, and PDF files.
Mistral OCR Power: Leverages Mistral AI for accurate text extraction.
25 MB File Size Limit: Adheres to Telegram's file size constraints.
Markdown Output: Returns extracted text in a clean .md format.
Secure File Delivery: Uses a self-download link for file retrieval.
Optional Whitelist: Restrict access to authorized users by Chat ID.
Webhook Management: Utilities for setting up development and production webhooks.

How To Use

Set up Telegram Bot: Create a bot using @BotFather and obtain the Bot API Token.
Configure Webhooks: Set up the Telegram Webhook Configuration node with your Bot API Token and the appropriate webhook URLs (test and production).
Configure Bot Settings: In the Settings node, define File_Downloader_Prod_URL (your n8n webhook URL) and optionally enable and configure Bot_Whitelist_Active and Allowed_Chat_IDs.
Send Files: Send a PNG, JPEG, or PDF file (under 25 MB) to your Telegram bot.
Receive Text File: The bot will process the file and return a Markdown (.md) text file with the extracted content.

Apps Used

Automation

Document Processing

Mistral AI

OCR

Telegram Bot

Workflow JSON

{
  "id": "f55a6775-e502-4cee-8ca9-ec63614a444a",
  "name": "Telegram OCR Bot with Mistral AI",
  "nodes": 6,
  "category": "AI & Machine Learning",
  "status": "active",
  "version": "1.0.0"
}

Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.