Back to Tools

OCR PDF

Extract text from scanned PDFs or images using optical character recognition. Processes up to 20 pages in this browser build.

Drop a scanned PDF here

or click to browse

Works best with clear scans. OCR processes up to 20 pages.

Maximum recommended file size: 100MB

Online PDF OCR Scanner

Convert your scanned documents and images into editable text with our completely browser-based OCR tool. Built for speed and privacy, this Optical Character Recognition tool allows you to easily extract text without uploading your documents to a remote server. Perfect for digitizing notes, books, and receipts.

What This Tool Does

This client-side tool allows you to run client-side Optical Character Recognition on scanned documents directly in your browser. Without requiring any installation or software downloads, you can securely select your documents, apply your desired parameters, and obtain a high-fidelity searchable PDF in seconds.

Who Should Use It

Ideal for students compiling homework, legal professionals handling sensitive client files, healthcare administrators matching HIPAA standards, and businesses protecting intellectual property. If you need absolute data confidentiality and cannot risk uploading files to a public cloud, this is your solution.

Supported File Types

  • Input format: Standard PDF files (.pdf)
  • Output format: Clean searchable PDF format.
  • Constraint: Fully preserves original vector shapes, metadata structures, and hyperlinks.

Privacy Model

100% Local-First. Your files are never uploaded to our servers. We do not operate external caches, databases, or third-party tracking mechanisms. All data resides in temporary device memory.

Processing Method

Operations are computed inside the browser’s secure sandbox environment. WebAssembly (Wasm) and Javascript modules read and re-compile document byte streams at near-native execution speed.

Browser Compatibility

Fully compatible with Google Chrome, Apple Safari, Mozilla Firefox, Microsoft Edge, and mobile browsers on Windows, macOS, Linux, ChromeOS, iOS, and Android.

Security Standards

Files remain isolated inside the browser tab’s execution threads. We employ symmetric AES-256 standards when handling passwords and encrypting outputs.

Performance limits

Sub-second response times for typical documents. Since memory allocation happens locally, performance scales directly with your device's processor and free RAM.

Common Use Cases

Consolidating research papers, compressing visa documents under consulates’ limits, hiding confidential digits via black box shapes, or e-signing client receipts offline.

How to OCR a PDF

  1. Upload Document: Drag and drop your scanned PDF into the upload area above.
  2. Process: Click the "Extract Text with OCR" button to begin scanning pages.
  3. Copy or Download: Once completed, you can copy the text to your clipboard or download it as a plain text file.

FAQ

Our OCR tool reads your scanned PDF page by page, using advanced optical character recognition algorithms to convert images of text into selectable, searchable, and editable text.
Yes. This tool processes your files directly in your browser. Your sensitive documents never leave your device, ensuring complete privacy.
Our local OCR engine uses Tesseract.js and supports multiple language models to accurately recognize and extract text in English, Spanish, French, German, and more.
It is highly accurate for high-contrast typed text. Hand-written content or low-resolution scans may require manual cleanup.
All document processing takes place directly in your browser's local sandbox memory using WebAssembly and WebGL. We employ a local-first privacy model: your PDF files are never uploaded to any remote server or third-party cloud. Your sensitive information never leaves your device.
Yes, absolutely! Once you load the page in your web browser, all transformation algorithms run entirely on your local machine. You can disconnect from the internet (offline mode) and continue performing all PDF tasks safely.
Unlike server-based converters that restrict free accounts to 10MB or 50 pages, our local tools have no hard-coded limitations. The processing speed and maximum file capability depend entirely on your device's processor speed and browser RAM capacity.
No. Our tools are completely free. You don't need to register an account, sign up with an email, or pay for a premium subscription. All features are open and immediately accessible.
Yes, because your documents are never transmitted over the internet or stored on third-party servers, your document workflows are automatically compliant with strict global security and privacy standards, including HIPAA, GDPR, and CCPA.
Yes, our responsive interface is optimized for all modern web browsers on mobile (iOS, Android, iPadOS) and desktop platforms (Windows, macOS, Linux, ChromeOS).
Adobe Acrobat requires a paid desktop subscription and cloud storage sync. Our tool offers a completely free, browser-native alternative. It allows you to transform and edit documents instantly without any software installation, background telemetry, or monthly fees.

Troubleshooting

If processing fails or the page hangs: close other resource-heavy browser tabs to clear RAM, double-check that your document is not secured with an owner lock, or process the file through our Repair PDF utility first to fix underlying index table errors.

Alternatives

Popular alternatives include Adobe Acrobat Pro, Smallpdf, and Sejda. iluvepdf distinguishes itself by running 100% locally in your browser, maintaining full security without subscriptions or upload waiting queues.

Related Tools & Next Steps

Once you have processed your file, we recommend exploring these related tools:
Scan to PDFPDF to WordRepair PDF