PDNob Online

PDNob Online is a free online PDF tool that lets you AI OCR, merge, compress, sign, convert and protect PDFs directly in your browser — no install needed.

1. Truly 100% free — no watermarks, no ads, no signup required. All core PDF features are available without limitations.
2. Advanced OCR technology — powered by ABBYY, it extracts editable text from scans and images in multiple languages.
3. Batch processing support — handle multiple files at once: convert, compress, merge, or OCR them in a single session.
4. Secure and private — uploads are encrypted via SSL, stored temporarily, and automatically deleted within hours.
5. High-quality output — preserves layout, fonts, and images accurately when converting or merging.
6. No software installation — work entirely in-browser; perfect for quick edits on any device.

PDNob Online's

Key Features

• OCR PDF: Extract editable and searchable text from scanned PDFs and images using AI-powered OCR.
• Convert PDF: Easily convert between PDF and formats like Word, Excel, PPT, Text, and Image with high accuracy.
• Compress PDF: Reduce PDF file size while keeping high visual quality — perfect for sharing or uploading.
• Merge & Split PDF: Combine multiple PDFs into one, or split large files into smaller, organized documents.
• Sign PDF: Add electronic signatures to your PDFs quickly and securely — ideal for contracts and forms.
• Protect PDF: Set passwords and permissions to restrict editing, copying, or viewing sensitive documents.
• 100% Free & Online: Use all tools without login, watermarks, or usage limits — directly in your browser.

Use Cases

• Academic and Study Needs: Merge lecture notes and scanned handouts into a single file; Compress large research PDFs for easier upload/submission;
• Business and Office Use: Sign contracts and business agreements electronically, Organize multi-page proposals by splitting or merging PDFs, Compress reports and presentations for email delivery;
• Privacy and Protection: Set password protection on confidential reports or forms, Restrict printing or copying on sensitive PDFs, Convert sensitive scans into searchable PDFs for secure archiving.
• PDNob Online