# Saandru · Certificon by Gemscorp > Saandru is a certificate issuing and verification platform, Certificon by Gemscorp (India). Organisations design a certificate template, upload a CSV of recipients, and Saandru generates a PDF certificate for each row, emails it, and adds a QR code that opens a public verification page at certificon.gemscorp.app/verify/. Each record is signed with HMAC-SHA256, so an edited PDF no longer matches the record its QR code opens. Last updated: 2026-10-14 Contact: admin@gemscorp.app ## Key facts - Product: Saandru - Name: Tamil சான்று (saandru), meaning proof or evidence; it is the root of சான்றிதழ் (saandrithazh), the Tamil word for certificate - Powered by: Certificon by Gemscorp - Company: Gemscorp, an independent software company in India (https://gemscorp.app) - Website: https://certificon.gemscorp.app - First client: Sri Shanmugha Educational Institutions (SSEI), https://shanmugha.edu.in/ - Who uses it: universities and colleges, training institutes, coaching centres, bootcamps and course creators, corporate L&D and HR teams, hackathons, conferences, workshops, NGOs - Verification: public page, no account or app needed, shows issuer, recipient, issue date and status (valid or revoked) - Verification links stay live permanently, on every plan, including after a customer cancels - Bulk input: CSV (export from Excel or Google Sheets); 250 rows per batch on Starter, 500 on Growth; the Free plan issues one at a time - Design: starter templates, AI template studio, drag-and-drop designer with multi-page templates, HTML/CSS import, background image upload - Delivery: email with PDF attached and verification link; recipients can share the link on LinkedIn - Integrations: REST API and webhooks (issue and revoke events) on Growth and Institution - Security and admin: HMAC-SHA256 signed records, revocation, audit trail, team roles (owner, admin, member), Google sign-in, SAML SSO on Growth ## Pricing (INR, excluding 18% GST) - Free: ₹0, 50 certificates a month, 1 seat, 2 templates, 3 AI template generations, "Powered by Saandru" badge - Starter: ₹499 a month or ₹4,990 a year; 500 certificates a month, 2 seats, 10 templates, 9 AI generations a month, bulk issue, own branding - Growth: ₹1,999 a month or ₹19,990 a year; 2,500 certificates a month (about ₹0.80 each), 5 seats, unlimited templates, 39 AI generations a month, API and webhooks, custom verification domain and sender, SAML SSO, 7-year audit log - Institution: custom quote; unlimited certificates, seats and AI generations, SLA, purchase-order billing - Credit top-ups (never expire): ₹1.00 per certificate for the first 1,000, ₹0.75 up to 5,000, ₹0.60 beyond - Billing through Razorpay with GST invoices (GSTIN supported) ## Pages - [Home](https://certificon.gemscorp.app/): product overview, tamper check demo, time-saved calculator, pricing, FAQ - [Pricing](https://certificon.gemscorp.app/pricing): plans and credit packs - [Sign up](https://certificon.gemscorp.app/signup): free account, no credit card ## Blog - [What is Saandru? The Tamil word for proof, on every certificate](https://certificon.gemscorp.app/blog/what-is-saandru.html): the meaning of சான்று and what the platform does - [Why verifiable certificates matter for colleges, organisations and events](https://certificon.gemscorp.app/blog/why-verifiable-certificates-matter.html) - [Digital certificates explained: from paper to PDF to verifiable record](https://certificon.gemscorp.app/blog/digital-certificates-explained.html) - [QR code certificate verification: how it works and 10 best practices](https://certificon.gemscorp.app/blog/qr-code-certificate-verification.html) - [Saandru vs Canva, Certifier, Certopus, Sertifier and CertPie](https://certificon.gemscorp.app/blog/saandru-vs-certificate-tools.html): prices as listed on 14 October 2026 - [How to create certificates in bulk from Excel or Google Sheets](https://certificon.gemscorp.app/blog/bulk-certificates-from-excel-google-sheets.html) - [Benefits of digital certificates: 10 advantages over paper and plain PDFs](https://certificon.gemscorp.app/blog/benefits-of-digital-certificates.html) - [Tamper-proof certificates with QR codes: how signed records stop forgery](https://certificon.gemscorp.app/blog/tamper-proof-qr-certificates.html) - [Who trusts digital certificates? Governments, universities and employers, in their own words](https://certificon.gemscorp.app/blog/who-trusts-digital-certificates.html)