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OCR Document Processing from LINE/Gmail using GPT-4o to Google Workspace

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Created by: SOLOVIEVA ANNA || anna0726

SOLOVIEVA ANNA

Last update

Last update 7 hours ago

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Who this is for

Users who frequently receive images or documents via LINE or email

Teams needing automatic OCR + AI summarization

Anyone who wants hands-free document processing and structured storage

How it works

Triggers: LINE Webhook and Gmail IMAP Trigger capture incoming messages or emails.

Source Tagging: Inputs are tagged as LINE or EMAIL for later branching.

File Handling: Files are uploaded to Google Drive and converted for analysis.

OCR: An AI vision model extracts all readable text from the document image.

AI Summarization: A text model produces a concise summary.

Logging: The summary is appended to Google Sheets for record-keeping.

Email Drafting: A Gmail Draft is generated containing the OCR text and summary.

How to set up

Connect your LINE, Gmail, OpenAI, and Google Drive/Sheets credentials.

Update folder IDs, sheet names, and authentication fields as needed.

Optional: customize summarization instructions.

Customization ideas

Add translation or classification steps

Modify output format for Slack/Notion

Store files in date-based Drive folders