PDF Tools That Never Send Your Documents Anywhere
50+ PDF tools, 100% in the browser. All processing happens locally on your device — no file ever reaches a server.
Proven Technology
Sovereign PDF is built on BentoPDF, one of the most popular open-source PDF tools worldwide.
37,700
GitHub Stars
5
Tool Categories
50+
PDF Tools
AGPLv3
Free & Open Source
5 PDF Tool Categories
Complete solutions for every document processing need
Organise
20 tools
Merge, split, rotate, extract, delete & reorder pages, booklet, N-up, reverse
Edit
22 tools
Editor, form filler, page numbers, watermark, crop, resize, metadata, redact
Convert to PDF
14 tools
Word, Excel, PPT, JPG, HTML, EPUB, Markdown → PDF
Convert from PDF
11 tools
PDF → Word, Excel, JPG, Text, HTML, EPUB, SVG
Security
15 tools
Encryption, signing, password protection, sanitize, flatten
The Technology Behind Sovereign PDF
5 powerful WebAssembly libraries — all running in the browser
PyMuPDF
PDF rendering, text extraction & conversion
Ghostscript
PDF compression up to 90%
Tesseract.js
OCR — optical character recognition
LibreOffice
Office docs → PDF conversion
CoherentPDF
Advanced PDF manipulation
Technical Features & Capabilities
Everything an organization needs for secure PDF management
OCR — Text Recognition
Convert scanned documents to editable text. Digitize archives.
PDF Compression
Reduce file size by up to 90% with no loss of quality.
Office → PDF Conversion
Word, Excel, PowerPoint to PDF directly in the browser. No Microsoft Office required.
PDF Signing
Add signatures, stamps, and dates with legal validity.
Encryption
Password protection & AES encryption for sensitive documents.
White-Label
Host on your domain with your branding — professional image.
Air-Gap Operation
Fully functional in isolated environments with no internet connection.
100% Client-Side
No file ever reaches a server. WebAssembly native performance.
Sovereign PDF vs Traditional PDF Tools
The fundamental difference in data processing architecture
| Sovereign PDF | Other Tools | |
|---|---|---|
| Privacy | 100% client-side — files never leave the device | Files uploaded to third-party servers (often US-based) |
| Data on Server | Zero — no logs, no analytics, no metadata | Files stored temporarily or permanently on their servers |
| Offline Operation | Full — suitable for air-gap environments | Requires internet connection for every action |
| Usage Limits | Unlimited — process as many files as needed | Size limits, daily quotas, subscription for unlimited use |
| Cost | Free & Open Source (AGPLv3) — one-time setup cost | Monthly subscriptions, hidden fees, pay-per-use |
Legal Compliance
The only PDF toolkit that doesn't need to comply — because it collects no data
GDPR
100% compliant — data never passes through a server. No processing, no storage, no transfer.
NIS2
Not applicable — no server-side infrastructure. Zero data to protect.
EU AI Act
Not applicable — purely algorithmic PDF processing with no AI.
US Cloud Act
Not applicable — data never passes through any server, US or otherwise. Access requests impossible.
Who Benefits
Organizations and professionals with sensitive data requiring full protection
Public Sector
332 municipalities — GDPR, citizen documents cannot be uploaded to third-party websites.
Hospitals & Clinics
120+ hospitals — confidential medical records, OCR for digitizing patient files.
Law Firms
40,000+ lawyers — signing, encryption, attorney-client privilege.
Accounting Firms
10,000+ accountants — invoice conversion, OCR for scanned receipts.
Insurance Companies
40+ companies — policyholder personal data with full protection.
General Public & Industry
Free, secure — no registration or third-party upload needed.
Bytsecure Value Add
What we offer beyond the open-source BentoPDF
White-Label Setup
Hosted on your domain with your branding (e.g. pdf.municipality.gov).
Self-Hosting WASM
WASM modules on your servers — zero calls to external CDNs.
Air-Gap Deployment
Installation in fully isolated environments with no internet access.
Custom Tools
Development of specialized PDF tools for your specific needs.
Integration
Integration with ERP, DMS, Nextcloud, Sovereign AI.
Compliance Documentation
Complete GDPR/NIS2 documentation for tool usage.
Training
Tools workshop for your employees.
24/7 Support
Operations, updates, troubleshooting.
Ready to Get Started?
Try the free tools at pdf.bytsecure.com or contact us for a white-label setup for your organization.