PDF signer software for batch signing thousands of PDFs.
Digital signature software for Windows with batch PDF signing. This e signature software provides template-based workflows, watch folder automation, and offline capability, built for enterprise document operations and bulk DSC signing.
Four steps to sign thousands of PDFs
From folder selection to signed output, this batch PDF signing software automates the entire bulk document signing workflow so you can focus on what matters.
Select PDF Folder
Choose a folder containing hundreds or thousands of PDFs. SignBolt scans and queues every document for signing.
Choose Signing Profile
Select your DSC certificate, signing position, reason, and appearance. Apply a saved template or configure new settings.
Batch Sign
Hit sign and watch SignBolt process every PDF. Each document gets a legally valid digital signature with timestamps.
Verify & Export
Review the signing report. Signed PDFs are saved to your output folder, ready for distribution or archival.
Configure once, apply to every batch
Create signing templates with exact page positions, appearance settings, and signing reasons. Save profiles and apply them to any batch operation instantly.
Position-Based Placement
Define exactly where signatures appear on each page using pixel coordinates. Set position once, apply to every document in the batch.
Custom Signature Appearance
Configure text, logo, date format, and reason. Show signer name, designation, and organization in the signature block.
Reusable Profiles
Save signing configurations as named profiles. Switch between different templates for invoices, contracts, offer letters, and more.
Multi-Page Support
Place signatures on specific pages or all pages. Configure different positions for different page types within the same batch.
Extend SignBolt with powerful add-ons
Start with batch signing and add modules as your workflow grows. Each add-on integrates seamlessly into SignBolt's desktop interface.
PDF Merge
Merge multiple PDFs into a single document before or after signing. Combine invoices, reports, or contracts into consolidated packages.
PDF Convert
Convert Word documents, Excel sheets, images, and other formats to PDF before batch signing. No manual conversion needed.
Watch Services
Most PopularMonitor folders for new PDFs and auto-sign them as they arrive. Perfect for automated document pipelines and ERP integrations.
Email Dispatch
Automatically email signed PDFs to recipients after batch signing. Configure email templates with dynamic fields.
Signature Appearance
Customize your digital signature appearance with logos, handwritten signatures, stamps, and custom text layouts.
Frequently asked questions
Everything you need to know about SignBolt and batch PDF signing.
SignBolt is a PDF signer software and digital signature software for Windows, designed for batch signing PDFs with digital signature certificates (DSC). It's built for businesses that need to sign hundreds or thousands of documents like invoices, contracts, offer letters, and compliance reports in a single operation. CA firms, HR departments, finance teams, and procurement offices use this bulk DSC signing software daily.
Select a folder of PDFs, choose your signing template (position, appearance, certificate), and click Sign. SignBolt processes every PDF sequentially, applying your digital signature to each document. Signed PDFs are saved to your output folder with a full signing report.
SignBolt works with USB DSC tokens (any CCA-certified token provider like eMudhra, Sify, n-Code, Capricorn) and PFX/P12 certificate files. You can also use certificates from the Windows Certificate Store.
Yes. SignBolt is a fully offline desktop application. Once installed and licensed, it requires no internet connection to sign documents. This makes it suitable for air-gapped environments and organizations with strict network policies.
Watch Services monitors one or more folders on your computer. When new PDFs appear in a watched folder, SignBolt automatically signs them using your configured template and moves the signed files to the output directory. It's perfect for ERP integrations that generate PDFs automatically.
There is no hard limit. This batch PDF signing software has been tested with batches of 10,000+ PDFs. Signing speed depends on your certificate type. USB tokens average 2-3 seconds per signature, while PFX files can sign faster. A batch of 1,000 PDFs typically completes in under 30 minutes.
With the Signature Appearance add-on, you can customize the visual representation of your digital signature. Include your name, designation, organization, date, reason, location, company logo, handwritten signature image, and even a QR code.
Yes. You can register multiple signing certificates in SignBolt and switch between them when creating batch operations. This is useful for organizations where different signers need to sign different document types.
SignBolt supports Windows 10 (version 1903 and later) and Windows 11. Both 64-bit and 32-bit systems are supported. The application requires .NET 6 runtime which is included in the installer.
SignBolt uses an annual per-machine license. The base license at ₹1,500/year includes unlimited batch signing. Add-on modules (PDF Merge, Convert, Watch Services, Email Dispatch, Signature Appearance) are licensed separately. Volume discounts are available for 5+ licenses.
Start batch signing today
Download SignBolt and sign your first batch of PDFs in under 5 minutes. Annual license starting at ₹1,500/year with unlimited signing.
Windows 10/11 · Offline capable · DSC & PFX support · No per-document fees