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. Plans start at ₹2,499/year.
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.
Annual plans built for unlimited batch signing
Standard, Pro, and Team plans all include unlimited documents. No per-file charges, no hidden add-ons, and demo mode is available before purchase.
Standard
Core batch signing for one Windows machine with unlimited documents and templates.
Single-machine annual license · 18% GST extra
Pro
Automation and compliance-ready signing for advanced desktop workflows.
Single-machine annual license · 18% GST extra
Team
Pro features for teams with centralized seat management and built-in volume discounts.
Volume pricing for 5+ seats · 18% GST extra
15% off Pro pricing
25% off Pro pricing
Contact sales for enterprise rollout
All SignBolt plans are billed annually. Team plans start at 5 seats. Demo mode keeps the app usable before purchase, with a SignSecure watermark on exported PDFs.
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 is included in the Pro and Team plans. It monitors one or more folders on your computer and automatically signs new PDFs as they arrive using your configured template. It's ideal for ERP and back-office workflows that generate documents continuously.
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.
Yes. Signature appearance customization is included in Standard, Pro, and Team. You can configure signer name, designation, organization, date, reason, location, company logo, handwritten signature image, and more.
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 annual licensing. Standard is ₹2,499/year for a single machine, Pro is ₹3,499/year, and Team starts at ₹2,975 per seat per year for 5-10 seats, dropping to ₹2,625 per seat for 11-25 seats. All paid plans include unlimited documents, and 18% GST applies.
Start batch signing today
Download SignBolt and sign your first batch of PDFs in under 5 minutes. Annual plans start at ₹2,499/year with unlimited documents.
Windows 10/11 · Offline capable · DSC & PFX support · No per-document fees