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Decodificador de Certificados SSL/TLS

Decodifica certificados X.509 PEM y CRT online. Inspecciona emisor, fecha de caducidad y dominios SAN.

Resumen Rápido: Decodifica certificados SSL/TLS online gratis. Comprueba fechas de vencimiento, nombres alternativos SAN y algoritmos.

Input & Controls

Source Input 0 characters

Result Output

What is Decodificador de Certificados SSL/TLS?

SSL Certificate Decoder parses raw PEM, CRT, and CER certificates in your browser. Inspect Certificate Authority chains, validity periods, SHA-256 fingerprints, and SAN hostnames with 100% client-side privacy.

Unlike traditional online utilities that upload your sensitive payloads to a remote server, TechnoLila's Decodificador de Certificados SSL/TLS executes 100% locally in your web browser using modern JavaScript APIs, HTML5 Canvas, and SVG vector rendering. No barcodes, asset IDs, Wi-Fi credentials, tokens, or proprietary payloads ever leave your device.

How to Use Decodificador de Certificados SSL/TLS Online

1. Paste your PEM certificate (starting with -----BEGIN CERTIFICATE-----).
2. View decoded details including Common Name, Organization, Issuer, Validity Dates, and SANs.

Decodificador de Certificados SSL/TLS Example

Example Input:

-----BEGIN CERTIFICATE-----
MIIEczCCA1ugAwIBAgIQBv...

Example Output:

Subject: CN=technolila.com
Issuer: Let's Encrypt Authority X3
Valid From: 2026-01-01
Valid Until: 2026-04-01
Days Remaining: 38 days

Common Use Cases

• Webmaster & DevOps Audits: Verify SSL certificate renewal deadlines and ensure correct SAN domain coverage.
• Web Server Setup: Inspect certificates before installing on Nginx, Apache, or AWS ALB.