Prepare for eSign.
Prepare PDF for e-signatures locally. Add signature fields, no uploads, secure prep.No uploads. No limits. Just professional-grade local preparation.
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 Prepare
Follow our 100% private workflow. Since DocuStitch uses client-side logic, your document data never touches a remote server.
Upload PDF
Select the PDF document that needs signature fields. Our engine loads it into your browser's secure memory.
Add Signature Fields
Place signature, initial, date, and other fields where needed. All field placement happens locally.
Download Prepared PDF
The signature-ready PDF is generated and downloaded instantly. No data ever leaves your device.
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
The Preparation Protocol
Field Creation
Our WASM engine creates compliant signature fields that work with major eSignature platforms and legal requirements.
Local Processing
All signature field preparation happens in your browser's memory, ensuring document privacy and compliance.
Compliance Ready
Creates signature-ready documents that meet ESIGN, UETA, and eIDAS electronic signature standards.
The Definitive Guide to PDF Electronic Signature Preparation
Preparing PDF documents for electronic signature is essential for modern business workflows, but traditional online tools require you to upload sensitive files to remote servers. DocuStitch changes the paradigm.
Why Local Preparation Matters
When you prepare PDFs for eSign with DocuStitch, our WebAssembly (WASM) engine processes all field creation operations directly in your browser's memory. This means your documents never leave your device.
Compliance-Ready Fields
Unlike basic tools that only add simple annotations, DocuStitch provides Professional Signature Fields. We create compliant signature fields that work with major eSignature platforms and meet legal standards.
High-Performance Local Processing
By leveraging your device's processing power, we eliminate upload delays. Whether preparing a simple document or a complex agreement, performance remains instant.
Field Creation
Creates compliant signature fields that work with major eSignature platforms and meet legal requirements.
Smart Fields
Multiple field types including signatures, initials, dates, and text fields for comprehensive document preparation.
Compliance Ready
Creates signature-ready documents that meet ESIGN, UETA, and eIDAS electronic signature standards.
Instant Preparation
No upload delays. Prepare documents instantly using local WebAssembly processing.
Frequently Asked Questions
Everything you need to know about eSign Prep
Is it safe to prepare sensitive PDFs for eSign?
What signature platforms are compatible?
Can I add multiple signature fields?
Are the prepared documents legally binding?
Do I need to install any software?
Knowledge Hub
Stop Uploading. Start Processing Locally.
Join thousands of professionals who trust DocuStitch for mission-critical PDF operations without the risk of cloud leaks.