Modify scanned document text, reflow paragraphs, annotate blueprints, and perform on-device OCR with zero cloud uploads. Your confidential legal, financial, and enterprise documents never leave your hands.
On-Device Text Extracted
Why security-conscious professionals avoid services that upload sensitive contracts to 3rd-party servers.
| Feature | PDF & 3D Tools (Local) | iLovePDF / Smallpdf | Adobe Acrobat Online |
|---|---|---|---|
| File Upload to Cloud | Never (Zero bytes transmitted) | Uploaded to Cloud AWS/GCP Servers | Uploaded to Adobe Document Cloud |
| Scanned Text Editing | Local Neural Net OCR | Server-Side OCR (Paid Subscription) | Server-Side OCR (Requires Pro Plan) |
| Confidentiality / NDA | 100% Air-Gapped Safe | Subject to third-party server privacy terms | Subject to cloud retention policies |
| File Size & Document Limit | Unlimited (Device RAM only) | Limited to 2-3 files per hour on free tier | Limited trial, paywall prompt |
| Offline Usability | Works 100% Offline in Airplane Mode | Fails completely without internet | Fails completely without internet |
Every PDF operation you need, executed purely in the local device sandbox.
Replace names, amounts, dates, and text passages directly on scanned contracts and invoices with automatic font matching.
Unlock encrypted PDFs on your device using local AES-256 decryption. Passwords are never sent to external servers.
Rearrange, delete, rotate, and combine unlimited PDF documents into organized single files in seconds.
Compress oversized PDF file sizes for email sharing while preserving vector line sharpness and high-res schematics.
Draw signatures, add corporate verification stamps, and watermark confidential documents without third-party exposure.
Interact with embedded 3D annotations, STEP assemblies, and CAD models directly alongside PDF technical drawings.
Instant answers to help you edit documents securely.
Our application utilizes an on-device OCR engine (Tesseract Neural Network compiled to WebAssembly) alongside client-side PDF-lib. The text layers are recognized, isolated, and replaced locally inside your browser's memory without communicating with any external API or cloud server.
Yes, absolutely. Because no byte of your document is ever transmitted over the internet or logged on cloud servers, the tool is inherently compliant with HIPAA, GDPR, CCPA, and strict enterprise NDAs.
Yes. In addition to scanned text editing, our suite offers full offline document management: combining multiple PDFs, extracting specific page ranges, rotating orientations, and compressing file sizes with hardware acceleration.
No. The web version and basic features are 100% free with no watermark, no page restrictions, and no registration required.