Your Files.
Your Device.
Period.
Your Device
All processing happens here
Remote Server
Never contacted
// Core Utilities
The Secure Toolkit
Merge PDFs
Combine multiple PDF files into one. Drag to reorder pages.
Split PDF
Extract pages or split a PDF into multiple files.
Compress PDF
Shrink file size while preserving quality.
Convert to PDF
Turn images and documents into PDF files instantly.
Rotate Pages
Fix orientation on any page or entire documents.
Word to PDF
Convert .docx documents to PDF with formatting preserved.
OCR — Extract Text
Make scanned PDFs searchable or extract text from images.
Sign PDF
Add your signature to any PDF. Draw, type, or upload.
More Coming
PDF to Word, watermark, redact, and more tools in development.
Bank-Level Privacy
Without the Bank
Client-Side Processing
Every operation runs inside your browser tab using WebAssembly. Files are never transmitted anywhere. Not even to our own servers.
Offline Capability
Once loaded, PDF Bunker works with no internet connection. Perfect for sensitive corporate documents and air-gapped environments.
Zero Data Collection
No analytics, no tracking pixels, no cookies. We don't know who you are, what files you process, or when you visit.