OCR PDF

How this tool actually works

This isn't traditional pattern-matching OCR software. Each page of your PDF is converted to an image and sent to an AI vision model (Google's Gemini) that reads the page the way it would read any picture, and returns what it sees as plain text.

• Convert: Each page of your PDF is rendered as an image in your browser.
• Read: The image is sent to an AI vision model, which reads the text on the page.
• Return: The model sends back the text it found, which is displayed on the page.
• Copy: You can copy the extracted text from the results panel.

There's no new PDF produced at the end of this. There's no hidden text layer placed behind your scan. The output is a text file — nothing more, nothing less. If what you actually need is a PDF that looks like the original scan but has selectable text behind it, this tool doesn't produce that.

Extract text from a PDF — the fast way

You don't need special software or a scanner with OCR built in. A browser-based tool can read your scan and hand back the text in seconds.

1. Open PDFly's OCR PDF.
2. Upload your scanned PDF. If it's longer than 6 pages, the tool blocks the upload and asks you to split it first.
3. Click process. Each page is read by the AI vision model in turn.
4. Copy the extracted text directly from the page.

Processing time depends mostly on how many pages you're reading (up to the 6-page cap) — a single page usually comes back in a few seconds, and a full 6-page document takes a bit longer since each page is read one at a time.

What affects accuracy

• Scan quality: Clear, high-resolution scans work best. Low-resolution or blurry scans produce more errors.
• Language: There's no language setting to configure — the model reads whatever language appears on the page — but results are generally strongest for widely-used languages and scripts.
• Fonts: Standard printed fonts are easier to read than handwritten or heavily decorative ones. Unusual fonts can cause recognition errors.
• Noise: Background noise or artifacts can reduce accuracy. This includes coffee stains, watermarks, or poorly erased pencil marks.

There's also a difference between printed text and handwriting. Clear printed text is generally easier to recognize than handwriting, and handwriting results can be less reliable. If you need to digitize handwritten documents, you'll need specialized software designed for that purpose.

When this tool is a good fit

• Quick text pull: You need the text from a scanned page or two — a receipt, a printed letter, a photo of a whiteboard — to copy, paste, or edit elsewhere.
• Short documents: Your document is 6 pages or fewer. Anything longer is rejected — you'll need to split it first.
• A starting point: You want a rough text version to search or skim, and you're fine reviewing it for errors afterward.

Where it isn't a good fit: if you need a document that still looks like the original scan but has selectable, searchable text behind it, or if you're working with anything longer than 6 pages, this tool won't do that job. You'd need a dedicated OCR-to-PDF tool for that.

A note on accuracy

No OCR or AI-vision extraction is perfect, and this tool is no exception. Accuracy depends heavily on scan quality, font clarity, and page layout — a clean, high-resolution scan of printed text will come back far cleaner than a blurry photo of dense, small print.

The kinds of errors that show up are usually predictable: confusing letters like "rn" and "m," misreading unusual symbols, or dropping a line in a cluttered layout. If you're working with a document that matters — a contract, an official form — always check the extracted text against the original before relying on it.

Frequently Asked Questions

Can OCR read handwriting?

Clear printed text is generally easier to recognize. Legible handwriting may be recognized, but results can vary, so check handwritten output against the original.

How many pages can PDFly's OCR PDF tool process?

Up to 6 pages per document. If you upload a longer PDF, the tool blocks the whole upload and asks you to split the PDF first — it does not process just the first 6 pages.

Does this create a searchable PDF?

No. The tool returns the extracted text as plain text in the results panel, not a new PDF with a hidden text layer behind the scan. You can copy the text to search, save, or paste elsewhere.

Is the extracted text 100% accurate?

No OCR or AI-vision tool is perfect. Accuracy depends on scan quality, font clarity, and layout. Always review the output against the original for anything important.