Taxbase Signer – Desktop Software for Seamless Digital Signing
Securely digitally sign PDFs and documents using your DSC token with Taxbase Signer — trusted, time-stamped, and legally valid under Indian IT laws.
Taxbase Signer
Secure your documents with ease using Taxbase Signer, a robust desktop application that allows you to digitally sign PDFs and other files using your Digital Signature Certificate (DSC) token. Whether it’s invoices, bills, contracts, or compliance documents — Taxbase Signer ensures every signature is secure, time-stamped, and legally valid under Indian IT laws.
Compatible with DSC tokens from all authorized Indian vendors, this tool simplifies the signing process for individuals, professionals, and enterprises alike.
Key Highlights
Bulk Signing
Sign multiple documents in one go — fast, secure, and efficient.
Time-Stamped Digital Signatures
Enables Long-Term Validation (LTV) to ensure authenticity and legal enforceability.
Custom Signature Placement
Add your logo, select page numbers, and define position — once set, the signing process is fully automated.
Chartered Accountants & Tax Professionals
CA Firms & Audit Teams
Enterprises managing multiple assessees
Made for the Modern Tax Expert
Tailored for professionals who demand precision, speed, and scalability.
Professional & Clear
Key Features of TaxbasePro
Digital Signing with DSC Tokens
Securely sign PDF documents using Digital Signature Certificates (DSC) via tokens.
Bulk Document Signing
Enables automated signing of multiple documents at once with no manual steps after setup.
Customizable Signature Layout
Personalize signature appearance by adding logos, setting placement, page number, and signer details.
LTV Time-Stamping Support
Includes time-stamping for Long-Term Validation, ensuring signatures remain valid over time.
Tamper Detection
Signature becomes invalid if any content is altered after signing, ensuring document integrity.
Smart Card & Qualified Certificate Support
Compatible with both smart card-based and qualified digital certificates.
Standards & Legal Compliance
Built on PKCS#7 standards and fully compliant with the Indian IT Act, 2000.
Industry-Wide Acceptance
Trusted across corporate and government sectors for official and legal document signing.
How Taxbase Signer Works
Key Features of TaxbasePro
Step 1: Choose the Folder
Select the folder where your PDF files are stored.
Step 2: Configure Auto-Sign
Pick your DSC, insert logo, set signature position and page location. Let Taxbase Signer handle the rest.
Step 3: Get the Signed Output
Signed documents are saved in a new destination folder – automatically.
Why Choose Sinewave?
Trusted by professionals for over three decades — delivering reliable, secure, and scalable tax software solutions.
- Client Trust 95%
- Security & Compliance 98%
- Real time Updates 92%
- Scalability 96%
Frequently Asked Questions
Find quick answers to common queries about our products, services, and support.
