Number Every Page.
Add professional page numbers and headers to your PDF documents.Fast, professional, and completely offline-capable.
Bank-Grade Privacy
Docs are decrypted and processed strictly within your browser's RAM.
Zero Latency
Skip the upload queue. WASM processing is up to 50x faster than traditional servers.
No Cloud Sync
We have no database. Your documents exist only while this tab is open.
Privacy
Local Worker
Execution
Off-Main Thread
Memory
Auto-Volatile
Mastering Number
Follow our 100% private workflow. Since DocuStitch uses client-side logic, your document data never touches a remote server.
Select PDF
Upload your document. It is immediately loaded into an ephemeral browser-side buffer.
Configure Layout
Choose position, font, and starting number. Our engine previews the placement in real-time.
WASM Injection
The numbering is injected directly into the PDF content stream using your local CPU power.
Why Private Processing?
Comparing DocuStitch vs. Standard Online PDF Tools
- 0% Data leakage risk
- WebAssembly RAM execution
- Immediate session wipe
- Server-side caching
- Unencrypted file transit
- Data harvesting risks
Non-Destructive Layering
Canvas Injection
Instead of flattening your PDF, we inject page numbers as new text objects in the content stream. This keeps your document searchable and maintains high resolution.
Real-time WASM Preview
As you change margins or font sizes, our WASM core re-calculates the layout instantly using your local GPU/CPU resources.