PDF Signature Verification Guides
Step-by-step tutorials for verifying digital signatures on certificates from all 29 Indian States, DigiLocker documents, Aadhaar cards, and international PKCS#7/PAdES specifications.
Over 85%of official modern documents (such as e-District caste, income, and domicile certificates) are digitally signed with cryptographic algorithms. Because mobile browsers and default desktop PDF readers lack state CA root certificates, they display yellow “Signature Not Verified” question marks. Use our guides and automated validation tool to verify cryptographic signatures according to IT Act 2000 and RFC specifications.
Indian State e-District Verification Guides
Step-by-step guides for verifying digital signatures on certificates issued by all 29 Indian State & UT portals.
Uttar Pradesh Certificate Signature Verification
Verify digital signatures on Uttar Pradesh (UP) e-District caste, income, and domicile certificate PDFs online. Fix the yellow question mark warning.
Maharashtra Certificate Signature Verification
Instantly verify digital signatures on Aaple Sarkar Maharashtra government certificate PDFs. Validate MahaOnline/MahaIT signatures online.
Bihar Certificate Signature Verification
Verify digital signatures on Bihar RTPS ServicePlus caste, income, and residential certificates. Lock in a green checkmark instantly.
Delhi Certificate Signature Verification
Step-by-step guide to verify digital signatures on e-District Delhi caste, income, and domicile certificates online. Clear signature warnings.
Madhya Pradesh Certificate Signature Verification
Verify digital signatures on Madhya Pradesh (MP) e-District local resident, income, and caste certificate PDFs. Instantly stamp Signature Valid.
West Bengal Certificate Signature Verification
Verify digital signatures on West Bengal (WB) e-District domicile, local residence, and income certificates. Remove Adobe signature errors.
Rajasthan Certificate Signature Verification
Verify digital signatures on Rajasthan e-Mitra bonafide, caste, and income certificate PDFs. Convert yellow question marks to green checkmarks.
Tamil Nadu Certificate Signature Verification
Verify digital signatures on Tamil Nadu (TN) e-Sevai caste, community, and income certificate PDFs. Remove yellow warning marks.
Gujarat Certificate Signature Verification
Step-by-step guide to verify digital signatures on Digital Gujarat caste, income, and domicile certificates online. Clear signature warnings.
Karnataka Certificate Signature Verification
Instantly verify digital signatures on Karnataka Seva Sindhu caste, income, and domicile certificates. Validate NIC Karnataka signatures.
Andhra Pradesh Certificate Signature Verification
Verify digital signatures on Andhra Pradesh MeeSeva caste, income, and domicile certificate PDFs. Convert yellow marks to green checkmarks.
Telangana Certificate Signature Verification
Verify digital signatures on Telangana MeeSeva caste, income, and domicile certificate PDFs. Convert yellow marks to green checkmarks.
Kerala Certificate Signature Verification
Verify digital signatures on Kerala e-District caste, income, and domicile certificate PDFs. Fix the yellow question mark warning.
Odisha Certificate Signature Verification
Verify digital signatures on Odisha e-District caste, income, and resident certificate PDFs. Validate NIC Odisha signatures.
Punjab Certificate Signature Verification
Verify digital signatures on Punjab Sewa Kendra certificate PDFs. Convert yellow warning marks to green ticks.
Haryana Certificate Signature Verification
Verify digital signatures on Saral Haryana caste, income, and resident certificate PDFs. Convert yellow question marks to green checkmarks.
Assam Certificate Signature Verification
Verify digital signatures on Assam RTPS Sewa Setu certificate PDFs. Convert yellow warning marks to green checkmarks.
Jharkhand Certificate Signature Verification
Verify digital signatures on Jharkhand JharSewa caste, income, and domicile certificate PDFs. Convert yellow question marks to green checkmarks.
Chhattisgarh Certificate Signature Verification
Verify digital signatures on Chhattisgarh (CG) e-District caste, income, and domicile certificate PDFs. Convert yellow question marks to green checkmarks.
Himachal Pradesh Certificate Signature Verification
Verify digital signatures on Himachal Pradesh (HP) e-District caste, income, and Bonafide Himachali certificate PDFs. Convert yellow question marks to green ticks.
Uttarakhand Certificate Signature Verification
Verify digital signatures on Uttarakhand (UK) e-District caste, income, and domicile certificate PDFs. Convert yellow question marks to green ticks.
Goa Certificate Signature Verification
Verify digital signatures on Goa Online residence, income, and caste certificate PDFs. Remove yellow warning marks.
Sikkim Certificate Signature Verification
Verify digital signatures on Sikkim e-District COI, caste, and income certificate PDFs. Remove yellow warning marks.
Tripura Certificate Signature Verification
Verify digital signatures on Tripura e-District PRTC, caste, and income certificate PDFs. Remove yellow warning marks.
Arunachal Pradesh Certificate Signature Verification
Verify digital signatures on Arunachal Pradesh e-District ST, PRC, and income certificate PDFs. Remove yellow warning marks.
Manipur Certificate Signature Verification
Verify digital signatures on Manipur e-District domicile, caste, and income certificate PDFs. Remove yellow warning marks.
Meghalaya Certificate Signature Verification
Verify digital signatures on Meghalaya e-District ST, residence, and income certificate PDFs. Remove yellow warning marks.
Mizoram Certificate Signature Verification
Verify digital signatures on Mizoram e-District Tribal, residence, and income certificate PDFs. Remove yellow warning marks.
Nagaland Certificate Signature Verification
Verify digital signatures on Nagaland e-District ST, inhabitant, and income certificate PDFs. Remove yellow warning marks.
Essential Guides
Master PDF signature verification with these foundational technical and legal guides.
How to Verify PDF Digital Signatures
Complete step-by-step guide covering hash validation, CA trust chains, PKCS#7 signatures, and how Adobe approval works.
PAdES vs PKCS#7 Signature Standards
Technical breakdown of ETSI PAdES (ISO 32000-2) vs PKCS#7/CMS (RFC 5652), ByteRanges, LTV, and TSA timestamping.
IT Act 2000 Legal Validity Guide
In-depth legal guide covering Sections 5, 15, and 65B of Indian IT Act 2000, CCA India root certificates, and court admissibility.
Why Adobe Shows "Signature Not Verified"
Understand Adobe's AATL trust list, why government PDFs show yellow warnings, and how to fix it in 30 seconds.
DigiLocker PDF Signature Verification
Verify DigiLocker-issued marksheets, driving licenses, PAN cards, and vehicle registrations cryptographically.
Certificate Verification Guides
Detailed guides for verifying digital signatures on specific Indian government documents (Aadhaar, PAN, Caste, Income, etc.).
Aadhaar & e-Aadhaar Verification
Verify UIDAI digital signatures on Aadhaar cards. Fix the yellow question mark warning.
Income Tax & PAN Verification
Verify Income Tax Department and PAN card digital signatures from the e-Filing portal.
Caste Certificate Verification
Verify OBC/SC/ST caste certificates issued by state e-District portals.
Income Certificate Verification
Verify income certificates issued by the Revenue Department via e-District.
Domicile Certificate Verification
Verify domicile/residence certificates from state government portals.
NFSA Ration Card Verification
Verify National Food Security Act ration card digital signatures.
Birth & Death Certificate Verification
Verify birth and death registry certificates from municipal corporations.
Digital India Services Verification
Verify certificates from Digital India platform services and government schemes.
Global Signature Verification Guides
Verify secure cryptographic electronic signatures compliant with US ESIGN, EU eIDAS, UK, Singapore Singpass, and UAE Pass standards.
US ESIGN & UETA Signatures
Verify digital signatures under US Federal ESIGN Act and state UETA regulations (DocuSign, Adobe Sign, etc.).
EU eIDAS Signatures
Verify European Union Advanced (AdES) and Qualified (QES) Electronic Signatures on PDFs.
UK eIDAS Signatures
Verify United Kingdom post-Brexit eIDAS signatures and UK Trusted List (UKTL) certificates.
France eIDAS Signatures
Verify French digital signatures and official certificates under ANSSI & EU eIDAS regulations (Yousign, Certigna, etc.).
Singapore Singpass Signatures
Verify "Sign with Singpass" PDF digital signatures and validate Netrust certificate chains.
UAE Pass Signatures
Verify secure digital signatures generated via the UAE Pass national digital identity application.
Zero-Storage Privacy
Files are processed strictly in secure memory modules inside your local browser. No server storage.
Cryptographic Standards
Fully compliant with IETF RFC 5652 (CMS), Adobe PDF specs, eIDAS, and Controller of Certifying Authorities (CCA).
Verify Anonymously
No personal registration or document tracking is required. Verify up to 2 files daily as guest.
Detailed Audit Trails
Generates downloadable, verified PDFs with structural signature stamps and trust summaries.
Edge Sandbox Security
Verification executes inside sandboxed browser modules to ensure isolated document handling.
Zero Data Logging
Absolutely no logging of files, names, email contents, or signature details. Pure privacy.