Gemini: Checking a very Large set of Files in a Zip File

This page describes trying Gemini first for a project involving many scanned grayscale JPG pages inside a ZIP file. Gemini responded that it could not directly unzip the file, run optical character recognition, or read text locked inside image files in that chat interface. Instead, it recommended doing the OCR step first with tools like Adobe Acrobat, Google Drive, Google Docs, Microsoft OneNote, or Word. Gemini then suggested uploading or pasting the extracted text for analysis, summaries, or questions. The main surprise was that Gemini required outside preparation, while the project goal was direct AI review of the zipped scans.

Handling Gemini Large Files

I had a project where I ended up scanning a large number of pages as greyscale .jpg files. My experience is that those files are smaller than color files and tend to be more OCR compatible. I first intended to do the project with Gemini, and then would try out ChatGPT. Here is the prompt I used and what I ended up to – very much to my surprise:

I have scanned in a large document’s pages as greyscale .jpg page files that I am hoping OCR can be used on them. They are in a .zip file. Are you able to read in a .zip file and answer questions about the overall project from my scanned pages?

Gemini AI LogoThe short answer is no, I cannot directly unzip a file, run OCR (Optical Character Recognition) on images, and read the text from them. As an AI, I don’t have a built-in OCR engine to extract text locked inside image files (like .jpg), nor can I extract .zip archives directly in this chat interface.

However, all hope is not lost! You can absolutely still use AI to analyze your project. You just need to handle the OCR step first.

Here is the easiest workflow to get this done so we can look at your project together:

Step 1: Convert the Images to Text (OCR)

You need to turn those .jpg pages into actual, selectable text. Since you have a large document, doing this page-by-page is tedious. Instead, use one of these free, batch methods:

  • Adobe Acrobat / Online OCR Tools: If you combine the JPGs into a single PDF, Adobe Acrobat (or free online tools like Adobe’s web converter, PDF24, or iLovePDF) can run automatic OCR and output a searchable PDF.

  • Google Drive (Free & Highly Accurate): Upload your .jpg files or a combined PDF to Google Drive. Right-click the file, select Open with, and choose Google Docs. Google will automatically run OCR and paste all the extracted text into a new document.

  • Microsoft OneNote/Word: You can insert images into Word or OneNote, right-click, and select “Copy Text from Picture.”

Step 2: Bring the Text to Me

Once you have the text extracted into a readable format (like a .txt file, a Word document, or a searchable .pdf), you can:

  1. Upload the document directly to this chat (if your interface allows file attachments).

  2. Copy and paste key sections or chapters directly into our conversation.

💡 Tip for Large Documents: If the overall document is massive, it’s usually best to feed it to me section by section, or start by pasting the table of contents/executive summary. This helps ensure we don’t hit any character limits and allows us to dissect the project with much higher accuracy.

Once you’ve got the text ready, send it over and I’d be happy to help you analyze the project, summarize it, or answer any specific questions you have!

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