India's Digital Document & eSignature Platform
Create, sign, stamp, and verify legal agreements in minutes. Built for Indian citizens, enterprises, legal professionals, and global businesses.
Rent Agreements
Residential 11-month rent agreements, commercial leases, and tenant verification with instant state stamp duty calculation.
Affidavits & Declarations
Name change affidavits, address proof declarations, gap year certificates, and income affidavits ready for legal use.
NOC & Consent Letters
Property transfer NOC, bank account NOC, employee relieving consent, and parental travel consent letters.
Business Contracts & NDAs
Non-disclosure agreements, master service agreements, partnership deeds, and employment offer letters.
World-Class Digital Signature Standards
Aadhaar eSign & DSC Token
Full support for UIDAI Aadhaar eSign OTP verification and hardware USB cryptographic DSC tokens (Class 3 digital certificates).
Legal Admissibility in Courts
Compliant with Information Technology Act, 2000, Section 65B of Indian Evidence Act / Section 63 of Bharatiya Sakshya Adhiniyam, 2023, US ESIGN Act, and EU eIDAS standards.
Cryptographic Tamper-Evident Seal
Every executed document is digitally sealed with SHA-256 hash chaining, auditable logs, and online verification at esign.sogdo.com/verify.
Free Online PDF & Document Tools
Fast, 100% private in-memory processing. No file retention, no account required.
Merge PDF
Combine multiple PDF files into one clean document.
Split PDF
Split and extract specific pages or page ranges from PDF.
PDF to Photo
Convert PDF pages into high-res JPG or PNG photos.
Photo to PDF
Turn JPG, PNG photos into a clean PDF document.
PDF to Word
Convert PDF files into editable Word (.docx) files.
Word to PDF
Convert Word (.docx, .doc) documents into PDF.
Edit & Sign PDF
Add digital signatures, dates, text, and initials to PDF.
Frequently Asked Questions (FAQ)
What is Sogdo eSign and who operates it?
Sogdo eSign (esign.sogdo.com) is an official product developed by Sogdo Technologies (sogdo.com). It provides a full suite of digital signatures (Aadhaar OTP and DSC hardware tokens), legal agreement drafting (rent agreements, affidavits, NOCs), and free online PDF utilities.
Is Sogdo eSign legally valid in Indian courts?
Yes, absolutely. All signatures and seals comply with the Information Technology Act, 2000, Section 65B of the Indian Evidence Act, Section 63 of the Bharatiya Sakshya Adhiniyam, 2023, US ESIGN Act, and EU eIDAS regulations. Every signed contract includes an audit certificate with timestamps and tamper-evident SHA-256 hashes.
How does online rent agreement and affidavit stamping work?
You can draft your rental agreement, affidavit, or NOC directly on Sogdo eSign for ₹99. The system calculates exact state stamp duty across all 36 Indian States & Union Territories, collects party signatures via Aadhaar OTP or DSC, and provides an instantly executable copy.
Are the PDF tools (Merge PDF, Split PDF, PDF to Photo) free?
Yes, our PDF tools are 100% free with in-memory privacy. No sign-up or credit card required. Uploaded files are processed strictly in RAM and deleted automatically after processing.
How can I verify a signed document?
Visit esign.sogdo.com/verify and upload your signed PDF or enter the unique Document ID to instantly verify the digital certificate seal and signer ledger.