Certificate Template — Certificate Generator Online Free

Generate certificate templates online for free. Fast, secure, no installation. Use FlexyPdf's Certificate Generator.

This generates a simulated self-signed certificate structure for development and testing purposes. For production SSL/TLS certificates, use OpenSSL or a trusted Certificate Authority.

Need to generate certificate templates? FlexyPdf's Certificate Generator includes a powerful certificate template capability that makes this easy. This page focuses specifically on the certificate template functionality — how it works, when to use it, and tips for getting the best results. All processing happens in your browser for maximum speed and privacy. No software to install, no account to create.

How to Use Certificate Generator

1

Enter Details

Fill in the certificate subject fields: Common Name, Organization, Country, etc.

2

Configure Options

Set validity period, key size, and add Subject Alternative Names if needed.

3

Generate & Download

Generate the certificate and download the .crt and .key files.

Features

PEM Format

Generates certificates in industry-standard PEM format compatible with all web servers.

SAN Support

Add Subject Alternative Names for multi-domain and wildcard certificates.

RSA Key Generation

Generates RSA key pairs securely in your browser.

Secure Generation

Private keys are generated locally and never leave your device.

Benefits of Using Certificate Generator

Completely Free

Use Certificate Generator without any cost, limits, or hidden fees. No premium plans needed.

No Installation

Works directly in your browser. No software downloads or plugins required.

100% Private

Your files and data are processed locally. Nothing is uploaded to external servers.

Works Everywhere

Compatible with Chrome, Firefox, Safari, Edge on desktop, tablet, and mobile.

No Sign-Up

Start using the tool immediately. No account creation or email verification.

Always Available

Access this tool 24/7 from anywhere in the world, on any device.

Frequently Asked Questions

Open FlexyPdf's Certificate Generator, load your data, and use the Certificate Template feature. Results are available instantly in your browser.
Yes. All features including Certificate Template are completely free with no limits or restrictions.
Yes. The tool is fully responsive and works on all devices including phones and tablets.
Start with the default settings, then adjust based on your needs. Check the tips section above for best practices.
Yes. All features work together. You can use Certificate Template alongside any other capability of the Certificate Generator.