PDF Signature Verification Guides
Step-by-step tutorials for verifying digital signatures on Indian government certificates, DigiLocker documents, and any PKCS#7/CMS signed PDF.
Over 85% of official modern documents (such as e-District certificates, Marksheets, and Aadhaar cards) are digitally signed using cryptography. Since opening them in basic web browsers or PDF viewers shows a warning that the signature is “Not Verified” (due to a lack of standard CA Root certificates in local system keychains), this portal provides automated validation tools matching cryptographic standards. Our database covers over 120 government registries and international specifications.
Essential Guides
Master PDF signature verification with these foundational 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.
Read guide →PopularWhy 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.
Read guide →DigiLocker PDF Signature Verification
Verify DigiLocker-issued marksheets, driving licenses, PAN cards, and vehicle registrations cryptographically.
Read guide →Global Signature Guides
Verify secure cryptographic electronic signatures compliant with regional standards.
US ESIGN & UETA Signatures
Verify digital signatures under US Federal ESIGN Act and state UETA regulations (DocuSign, Adobe Sign, etc.).
Read guide →EU eIDAS Signatures
Verify European Union Advanced (AdES) and Qualified (QES) Electronic Signatures on PDFs.
Read guide →UK eIDAS Signatures
Verify United Kingdom post-Brexit eIDAS signatures and UK Trusted List (UKTL) certificates.
Read guide →France eIDAS Signatures
Verify French digital signatures and official certificates under ANSSI & EU eIDAS regulations (Yousign, Certigna, etc.).
Read guide →Singapore Singpass Signatures
Verify "Sign with Singpass" PDF digital signatures and validate Netrust certificate chains.
Read guide →UAE Pass Signatures
Verify secure digital signatures generated via the UAE Pass national digital identity application.
Read guide →Certificate Verification Guides
Detailed guides for verifying digital signatures on specific Indian government certificates and documents.
Aadhaar & e-Aadhaar
Verify UIDAI digital signatures on Aadhaar cards. Fix the yellow question mark warning.
Income Tax & PAN
Verify Income Tax Department and PAN card digital signatures from the e-Filing portal.
Caste Certificate
Verify OBC/SC/ST caste certificates issued by state e-District portals.
Income Certificate
Verify income certificates issued by the Revenue Department via e-District.
Domicile Certificate
Verify domicile/residence certificates from state government portals.
NFSA Ration Card
Verify National Food Security Act ration card digital signatures.
Birth & Death Certificate
Verify birth and death registry certificates from municipal corporations.
Digital India Services
Verify certificates from Digital India platform services and government schemes.
State e-District Signature Guides
Step-by-step guides for validating digital signatures on certificates issued by regional Indian state e-District portals.
Uttar Pradesh (e-District UP)
Verify digital signatures on Uttar Pradesh (e-District UP) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Maharashtra (Aaple Sarkar)
Verify digital signatures on Maharashtra (Aaple Sarkar) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Bihar (RTPS Bihar / ServicePlus)
Verify digital signatures on Bihar (RTPS Bihar / ServicePlus) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Delhi (e-District Delhi)
Verify digital signatures on Delhi (e-District Delhi) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Madhya Pradesh (MP e-District / Lok Seva)
Verify digital signatures on Madhya Pradesh (MP e-District / Lok Seva) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
West Bengal (e-District West Bengal)
Verify digital signatures on West Bengal (e-District West Bengal) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Rajasthan (e-Mitra Rajasthan / Shala Darpan)
Verify digital signatures on Rajasthan (e-Mitra Rajasthan / Shala Darpan) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Tamil Nadu (TN e-Sevai / e-District)
Verify digital signatures on Tamil Nadu (TN e-Sevai / e-District) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Gujarat (Digital Gujarat)
Verify digital signatures on Gujarat (Digital Gujarat) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Karnataka (Seva Sindhu)
Verify digital signatures on Karnataka (Seva Sindhu) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Andhra Pradesh (MeeSeva AP)
Verify digital signatures on Andhra Pradesh (MeeSeva AP) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Telangana (MeeSeva Telangana)
Verify digital signatures on Telangana (MeeSeva Telangana) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Kerala (e-District Kerala)
Verify digital signatures on Kerala (e-District Kerala) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Odisha (e-District Odisha)
Verify digital signatures on Odisha (e-District Odisha) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Punjab (Punjab Sewa Kendra)
Verify digital signatures on Punjab (Punjab Sewa Kendra) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Haryana (Saral Haryana)
Verify digital signatures on Haryana (Saral Haryana) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Assam (RTPS Assam / Sewa Setu)
Verify digital signatures on Assam (RTPS Assam / Sewa Setu) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Jharkhand (JharSewa Jharkhand)
Verify digital signatures on Jharkhand (JharSewa Jharkhand) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Chhattisgarh (e-District CG)
Verify digital signatures on Chhattisgarh (e-District CG) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Himachal Pradesh (e-District HP)
Verify digital signatures on Himachal Pradesh (e-District HP) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Uttarakhand (e-District UK)
Verify digital signatures on Uttarakhand (e-District UK) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Goa (Goa Online)
Verify digital signatures on Goa (Goa Online) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Sikkim (Sikkim e-District)
Verify digital signatures on Sikkim (Sikkim e-District) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Tripura (e-District Tripura)
Verify digital signatures on Tripura (e-District Tripura) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Arunachal Pradesh (e-District Arunachal)
Verify digital signatures on Arunachal Pradesh (e-District Arunachal) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Manipur (e-District Manipur)
Verify digital signatures on Manipur (e-District Manipur) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Meghalaya (e-District Meghalaya)
Verify digital signatures on Meghalaya (e-District Meghalaya) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Mizoram (e-District Mizoram)
Verify digital signatures on Mizoram (e-District Mizoram) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Nagaland (e-District Nagaland)
Verify digital signatures on Nagaland (e-District Nagaland) caste, income, and domicile certificate PDFs. Remove yellow warning marks.
Zero-Knowledge 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.