PDF Merge & Split
completely secure and private document editor keeping your data fully private.
Select multiple PDFs to merge
Secure PDF Merger & Page Splitter
Professional Document Management with Absolute Privacy
100% Client-Side Privacy
All processing runs directly in your local browser memory via WebAssembly and JavaScript. Your files are never uploaded to any remote server or third-party cloud.
Zero Latency & Lightning Fast
Eliminate upload and download wait times. Files are processed instantly using your device's native CPU & GPU acceleration.
No Limits, No Watermarks, 100% Free
Enjoy unlimited batch operations, maximum resolution outputs, and zero watermarks without ever needing to register or pay.
How to use this tool in 3 simple steps
Upload or drag and drop your file into the secure workspace.
Adjust your preferred settings or let our automated presets optimize the output.
Click convert/process and download your finished file instantly to your device.
Many commercial web tools harvest your data when you upload sensitive PDF files to their remote servers. Our secure solution handles high-performance file stitching and splitting directly inside your secure sandbox environment, guaranteeing complete privacy.
Why FastPebble Beats Traditional Cloud Converters
Compare local in-browser processing vs conventional cloud platforms like iLovePDF, Smallpdf & CloudConvert.
| Feature | FastPebble Tools | Traditional Cloud Websites |
|---|---|---|
| Data Privacy & Security | 100% Private (No server uploads) | Uploaded to remote 3rd-party servers |
| Processing Speed | Instant (0ms network latency) | Slow (Upload + Queue + Download wait) |
| File Size Limits | Virtually unlimited (Uses device RAM) | Strict limits (Paywalls for 10MB+) |
| Cost & Watermarks | 100% Free Forever, No Watermarks | Subscription paywalls & daily limits |