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Make PDF Searchable with OCR

Add a text layer so scanned PDFs become easier to search, copy, and index

OCR included — free on this tool
Drop scanned PDF here

or select a file from your device

Supported: .pdf

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OCR adds a searchable text layer when the scan is readable. If OCR cannot read the page, you will see an error — we will not pretend the file became searchable.

Searchable PDF Ready

Your searchable PDF is ready to download.

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Creating searchable PDF...
Searchable PDF Notes
Best for scanned documents, paper forms, and image-based PDFs.
Searchable output helps with copy/paste, indexing, and accessibility.
Text accuracy depends on scan quality and source clarity.

Make PDF Searchable with OCR Online — Complete Guide

Scanned PDFs look like text but cannot be searched or copied until they have an OCR text layer. People searching for a readable PDF usually mean this: a file you can find words in and copy from. PdfPeaks Make PDF Searchable adds a hidden text layer aligned to each page so you can find words, copy paragraphs, and index archives — without desktop OCR software. Scanned PDFs are pictures until OCR adds a text layer. Use this tool, then read the searchable-PDF guide.

How It Works

Upload a scanned or image-based PDF. The pipeline analyses each page, recognizes characters, and embeds a searchable text layer while keeping the original visual appearance. Download the result and use Ctrl+F / Cmd+F in any standard PDF reader.

  • Step 1 — Upload: Add a scanned or image-only PDF (clear, straight pages work best).
  • Step 2 — OCR: Processing builds a text layer under the scan for each page.
  • Step 3 — Download: Open the searchable PDF and search, select, or copy text.

Security & Privacy

Files are encrypted in transit and deleted after processing — see our Privacy Policy for details.

Common Use Cases

  • Research & archives: Find keywords across scanned books and reports.
  • Compliance: Make image-only filings selectable for review.
  • Accessibility: Improve copy/paste and assistive-tech access to scans.
  • Conversion prep: OCR before PDF to Word or Translate PDF.
  • Invoice batches: Search vendor names across multi-page scan packs.

Tips for Best Results

Scan at 300 DPI or higher with even lighting for best accuracy. Already have selectable text? The tool preserves it. Need plain text export? Use Extract Text. Compress after OCR, not before. Full walkthrough: make a scanned PDF searchable with OCR. Supported format: PDF (.pdf).

Related guides

Browse all PDF & image guides

Frequently Asked Questions

If you cannot search, highlight, or copy the words, the file is a picture of pages. Run this OCR tool to add a hidden text layer — that is what most “readable PDF” searches mean. If the scan is just blurry, recapture it first; compression will not restore missing text.

No. Appearance stays the same; an invisible text layer is added for search, copy, and later Word/Excel conversion.

Scan at 300 DPI or higher, even lighting, straight pages. Skewed phone photos are the usual failure mode — straighten or recapture, then retry.

We show an error instead of returning an unchanged file. Increase contrast, drop blurry pages, or run Repair PDF if the file is damaged.

Existing text is preserved. OCR helps most on image-only pages; mixed files still benefit on the scanned sheets.

Yes within normal size limits. Files are encrypted in transit and deleted after processing. See the Privacy Policy for details.

Use the free Make PDF Searchable tool at /pdf/makesearchable. Explain when a PDF is image-only, how OCR adds a text layer, and link to Make PDF Searchable. Cover privacy, accuracy, and a short FAQ.

Use the free Make PDF Searchable tool at /pdf/makesearchable. Explain when a PDF is image-only, how OCR adds a text layer, and link to Make PDF Searchable. Cover privacy, accuracy, and a short FAQ.

Use the free Make PDF Searchable tool at /pdf/makesearchable. Explain when a PDF is image-only, how OCR adds a text layer, and link to Make PDF Searchable. Cover privacy, accuracy, and a short FAQ.

Use the free Make PDF Searchable tool at /pdf/makesearchable. Explain when a PDF is image-only, how OCR adds a text layer, and link to Make PDF Searchable. Cover privacy, accuracy, and a short FAQ.

Use the free Make PDF Searchable tool at /pdf/makesearchable. Explain when a PDF is image-only, how OCR adds a text layer, and link to Make PDF Searchable. Cover privacy, accuracy, and a short FAQ.

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