About this app
The best offline CRT Viewer tool for all. Read CRT, CER (etc) convert PEM to PFX, or use the CSR generator to create a certificate signing request securely. No servers. Empower your IT workflow with the most secure and comprehensive certificate tool designed for professionals. Whether you are a system administrator, DevOps engineer, or developer, handling SSL certificates on mobile has never been easier or more secure. Our app works 100% offline, ensuring your sensitive private keys and company certificates never leave your device. > KEY FEATURES: • Advanced CRT Viewer & CER Viewer Instantly open, read, and inspect certificate details. Whether you need a reliable CRT viewer or a fast CER viewer, you can decode file contents, check expiration dates, and verify issuers locally without any internet connection. • Ultimate Certificate Converter Stop relying on insecure web tools. Easily perform complex conversions on the go: • Convert PEM to PFX (PKCS#12) • Convert CRT to PEM or PFX • Convert PFX to PEM • Seamlessly handle OpenSSL PFX conversions with a few taps. • Professional CSR Generator Need to request a new SSL certificate? Use our built-in CSR generator to create a certificate signing request directly from your phone. • Generate CSR OpenSSL compatible files instantly. • Create CSR and private keys simultaneously. • Easily export your CSR certificate and cert signing request to send to your Certificate Authority (CA). • WHY CHOOSE US? • 100% Offline & Secure: No cloud servers, no data logging. Your CSR security certificate and private keys are generated and stored strictly on your device. • OpenSSL Compatible: Generate a CSR using OpenSSL standards to ensure full compatibility with GoDaddy, DigiCert, and other major providers. • All-in-One IT Tool: From a simple SSL cert request to a complex CSR request for SSL certificate generation, everything you need is in your pocket. Take control of your digital security. Create a certificate request, view files, and convert formats with the ultimate offline tool for IT professionals.
Latest release
What’s New
Updated the footer in exported PDF certificate reports in our CRT viewer app to display current official links. Cleaned up legacy website references across document exports. General maintenance and export improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 12:20 AM Free