Enterprise Windows service for automated PDF signing and Authenticode code-signing with USB hardware tokens. REST API, batch processing, zero manual intervention.
Everything you need to automate your digital signing workflow
Batch signing, folder watch, API upload. Custom signature appearance with images, position, and reason.
Sign EXE, DLL, MSI with Authenticode. In-process SignerSignEx2 API. Automated PIN entry, no manual intervention.
Support for YubiKey (ECC), SafeNet (RSA/ECC), ePass2003. Auto PIN via CNG/CSP — fully automated.
Full RESTful API: upload, sign, status, download. Bearer token authentication.
Isolated API tokens and folders per tenant. Centralized management with granular access control.
Built-in Cloudflare Tunnel. No port forwarding required. Automatic TLS encryption.
Three simple steps to automate your signing workflow
Deploy the Windows service, connect your USB token, configure via the intuitive GUI.
Call the REST API to upload files or set up folder watch for automatic processing.
Files are signed automatically and returned via API or output folder.
Download and install — full features, no credit card required. Decide when you're ready.
Download Free TrialWindows 10/11 · All features included · No limitations during trial
One-time payment · No subscription · All prices excl. tax
≈ US$99 · excl. tax
Perpetual license · 1 year free updates
≈ US$299 · excl. tax
Perpetual license · 1 year free updates
≈ US$499 · excl. tax
Perpetual license · 1 year free updates
Perpetual license · 1 year free updates
OneSigner vs. other signing solutions
| Feature | OneSigner | SignServer (Keyfactor) |
Bulk Signer (India) |
AutoSigner (India) |
Adobe Acrobat Pro |
|---|---|---|---|---|---|
| Pricing | $99–499 one-time |
$25,000+/yr | $60–180/yr | $36–120/yr | $240/yr |
| License Type | Perpetual | Subscription | Subscription | Subscription | Subscription |
| PDF Signing | ✓ | ✓ | ✓ | ✓ | ✓ |
| Code Signing (EXE, DLL, MSI) | ✓ | ✓ | ✗ | ✗ | ✗ |
| USB Token Support | ✓ YubiKey, SafeNet, ePass | HSM focus | Indian DSC only | Indian DSC only | ✓ |
| REST API | ✓ | ✓ | ✗ | ✗ | ✗ |
| Folder Watch (Auto-sign) | ✓ | ✗ | Limited | ✓ | ✗ |
| Multi-Tenant | ✓ | ✓ | ✗ | ✗ | ✗ |
| Windows Service (Unattended) | ✓ | Java/Linux | ✗ | ✗ | ✗ |
| Remote Access (Cloudflare Tunnel) | ✓ | ✗ | ✗ | ✗ | ✗ |
| GUI Config App | ✓ | Web Admin | ✓ | ✓ | ✓ |
| Multiple Signatures per PDF | ✓ | ✓ | ✗ | ✗ | Manual only |
OneSigner is the only mid-market solution combining PDF + Code Signing, REST API, and USB token support — at a fraction of enterprise pricing.
Batch-sign invoices, financial reports, and compliance documents automatically.
Automate Authenticode code-signing in CI/CD pipelines. Sign EXE, DLL, MSI builds.
Auto-sign contracts, NDAs, and internal documents at scale.
Offer signing-as-a-service to multiple clients with multi-tenant isolation.
Windows 10/11 or Server 2019+, a USB hardware token (YubiKey, SafeNet, ePass2003), and a valid digital certificate.
No. Built-in Cloudflare Tunnel provides secure remote access without port forwarding or VPN.
PDF (digital signatures), EXE/DLL/MSI/CAB/SYS (Authenticode code-signing).
Yes. Full REST API with comprehensive documentation. Supports upload, sign, and download.
One-time payment, perpetual license — no subscription. Hardware-bound to your machine. Choose Basic ($99), Pro ($299), Advance ($499), or Enterprise based on your needs.
Yes. Download the free 30-day trial — all features included, no limitations, no credit card required.
Get in touch for a free consultation and trial
Contact SalesOne Sign Pte. Ltd.
UEN: 201917432G | 10 Anson Road #22-02, International Plaza, Singapore 079903
Email: support@onesign.sg | Website: onesign.sg