Knife PDF : Privacy Utility

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Everyone
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Everyone
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About this app

🔥 Knife – PDF Tools: AI PDF Editor, Scanner, Converter & Text-to-Speech

Knife – PDF Tools is an all-in-one PDF editor, AI document scanner, PDF converter, OCR scanner, and Text-to-Speech app built to make document management faster and easier.

Convert, edit, scan, merge, compress, protect, organize, and manage PDF files with powerful professional tools in one lightweight app.

Perfect for students, professionals, teachers, office work, and productivity.

🚀 Powerful PDF & AI Tools

• PDF Editor
• AI PDF Editing Tools
• PDF Scanner
• AI Document Scanner
• PDF Converter
• OCR Scanner
• PDF Reader
• Text-to-Speech Reader
• PDF Compressor
• PDF Security Tools
• PDF Organizer

✏️ Advanced PDF Editor

• Edit PDF text directly
• Add text anywhere in PDF
• Change font size, style & color
• Highlight, underline & strike text
• Draw using pen & marker tools
• Add shapes, arrows & annotations
• Erase drawings & markings
• Add comments & notes
• Insert images into PDF
• Add signatures & stamps
• Whiteout sensitive areas
• Edit scanned PDFs using OCR

📄 AI Document Scanner

• Scan documents instantly
• Convert images to PDF
• AI Auto Crop & Edge Detection
• Enhance image quality automatically
• Scan receipts, notes, IDs & invoices
• Fast high-quality scanning

🛠 PDF Editing & Organizing Tools

• Merge PDF files
• Split PDF pages
• Rearrange PDF pages
• Rotate PDF pages
• Add or delete pages
• Add page numbers
• Add headers & footers
• Insert watermark
• Add image to PDF
• Digital signature support
• Flatten PDF
• Reverse PDF pages
• Bates numbering support

🔊 Text-to-Speech PDF Reader

• Convert PDF text to speech
• Read PDFs aloud hands-free
• Natural voice support
• Useful for studying & multitasking

🔒 PDF Security & Privacy

• Protect PDF with password
• Unlock secured PDFs
• Redact sensitive content
• Sanitize PDF metadata
• Remove hidden information
• Secure local processing

⚡ Optimize & Enhance PDFs

• Compress PDF size
• Repair corrupted PDFs
• Crop PDF pages
• Convert PDF to grayscale
• Invert PDF colors
• Extract images from PDF

🔄 PDF Conversion Tools

• PDF to Word / Word to PDF
• PDF to Excel / Excel to PDF
• PDF to PPT / PPT to PDF
• PDF to Image / Image to PDF
• PDF to Text / TXT to PDF
• PDF to HTML / HTML to PDF
• PDF to EPUB / EPUB to PDF
• PDF to CSV / CSV to PDF
• PDF to XML / XML to PDF
• PDF to JSON / JSON to PDF

📚 Popular Knife PDF Tools

Highlighter, Flatten PDF, Crop PDF, Redact PDF, Add Image, Add Page, Delete Pages, Merge PDF, Split PDF, Compress PDF, Protect PDF, Unlock PDF, Rotate PDF, Rearrange PDF, Watermark, Metadata, Signature, Grayscale, Extract Images, Repair PDF, Reverse PDF, Add Margins, Document Scanner, OCR Scanner, Text-to-Speech, PDF Converter, Bates Numbering, and more.

🔐 100% Privacy Focused

• Files processed locally on your device
• No cloud upload required
• No registration needed
• Safe & secure document handling

✨ Why Choose Knife – PDF Tools?

• 50+ powerful PDF tools
• AI-powered smart features
• Fast & lightweight performance
• Easy-to-use modern UI
• Offline support
• Perfect for work, school & business

📥 Download Knife – PDF Tools Now

Scan, edit, convert, compress, secure, organize, and manage PDFs with powerful AI tools and advanced PDF editing features — all in one app.
Updated on
May 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Content rating
Everyone
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App support

About the developer
MUNNA KUMAR
deepukumarre45667@gmail.com
B-13 Rajeev Nagar Extn. Begumpur North West Delhi 110086 Delhi, 110086 India

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