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Free OCR PDF

Publish date
Aug 25, 2026
AI summary
Free OCR PDF lets you make scanned PDFs searchable in a browser without installing software, using the Hobby plan that offers 2 pages per file up to 10 MB at no cost; before uploading, verify the file needs OCR, check page count and size, upload, download, and confirm searchability, then keep the searchable copy, upgrading only if the free limits are exceeded.
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People search free ocr pdf when they have a scan and do not want to buy desktop software just to search it. You can do that in a browser. The file becomes searchable. You do not install an OCR app for a single file.
This is the free path: what is actually free, where the cap is, and how to check the result. For what a text layer is, start with OCR PDF: Make a Scanned File Searchable. For the click-by-click steps, use How to OCR a PDF.

What “free OCR PDF” means here

A free OCR PDF job is: take a scanned file (or a page image), run OCR, download a PDF you can search and select. It is not convert-to-Word, and it is not unlimited pages.
On the current PDF.ai pricing table:
  • Hobby is Free forever (price 0).
  • OCR on Hobby is 2 pages/file.
  • Max file size on Hobby is 10MB.
If your scan is two pages or fewer and under 10MB, Hobby covers it. If it is longer, split the file or use a plan that matches the page count (Pro 10 pages/file, Ultimate 50, Enterprise 100). Do not assume a 200-page archive is free.
Practical rule: free means the Hobby cap, not “every scan, any length.”

Before you upload

Spend ten seconds on the file:
  1. Open it in any PDF viewer.
  1. Try to drag-select a word.
  1. Search with Cmd-F / Ctrl+F for a word you can see.
If search already works, stop. You do not need OCR, free or paid.
If nothing highlights, you have a scanned PDF. Count the pages and check the file size against Hobby before you start.

How to OCR a PDF for free

1. Open the tool

Go to https://pdf.ai/tools/ocr-pdf. The page says it will OCR your PDF to make text searchable and selectable. The upload box is labeled Click to upload or drag and drop.
notion image
This is a browser path. The same steps work on Windows, Mac, and Linux.

2. Upload and wait

Drop the scan, or a page image if that is what you have. Wait until processing finishes.

3. Download, then check

Download the new file. Keep the original until search works.
Open the result and:
  • Search a distinctive word on page 1.
  • Search a word on the last page you care about.
  • Copy one sentence into a notes app.
notion image
If those three work, you have a searchable PDF. Archive that copy.
Practical rule: do not delete the original scan until search and selection work on the pages you need.

When free is not enough

Hobby stops at 2 pages/file and 10MB. If the upload fails or later pages are missing, check those two numbers first.
Then check the scan itself. Blurry phone photos, faint stamps, and handwriting still fail on a free pass the same way they fail on a paid one. OCR reads a picture of text. If a person would squint, the software will too. The longer failure list is on the OCR PDF pillar.
Important distinction: a searchable PDF can still contain wrong characters. Search proving that some text exists is not the same as every number being correct.

Free OCR vs convert to Word

These queries sit next to each other. They are not the same job.
Free OCR PDF when you want to keep the PDF and search it. The page still looks like the scan.
Convert to Word when you want an editable .docx. That is a conversion problem. A free OCR pass will not give you a redesigned Word file.
If the output you want is still a PDF you can search, stop at OCR.

A short action plan

  1. Confirm the file will not search (select plus Cmd-F / Ctrl+F).
  1. Check page count and size against Hobby on pricing: 2 pages/file, 10MB.
  1. Upload at https://pdf.ai/tools/ocr-pdf.
  1. Download and search the first page and a later page.
  1. Keep the searchable copy. Split or change plan only if you hit the cap.
The how-to for the same tool is How to OCR a PDF. For what OCR is doing under the page, keep OCR PDF: Make a Scanned File Searchable next to this.
If you want the file in the rest of your PDF workflow after the text layer is in place, start at PDF.ai. OCR first.