Certificate Image Generator

Maintained by Rio Smart Tech Private Limited (Rudraksh Batra)

Automatically generates shareable images from Moodle Custom Certificates and provides a public, no-login link with a Share button for learners.

Free

Download for free

Supports Moodle 4.0-5.1 See all versions

Latest release: 5 months ago

Installations: 13

Downloads (last 90 days): 234

Frankenstyle name: local_certimagegen

Local plugins

Current version

1.0.0 (2026012805)

Moodle 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 5.0, 5.1

Uploaded on Monday, 23 February 2026 at 10:27 (GMT+0)

Plugin type: Local plugins

Frankenstyle component name: local_certimagegen

Version build number: 2026012805

Version release name: 1.0.0

Maturity: Stable

Supported Moodle versions: 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 5.0, 5.1

Repository URL (Git): https://github.com/rudykartson/moodle-local_certificateimagegen

Repository branch:

Repository tag:

Issue/bug tracker URL: https://github.com/rudykartson/moodle-local_certificateimagegen/issues

📌 Local Certificate Image Generator
Instant Shareable Certificate Images for Moodle

🧩 What This Plugin Does

This plugin automatically converts Moodle Custom Certificate PDFs into PNG images and provides a public share link, allowing learners to showcase their certificates instantly.

" Key Features

Instant Image generation when a learner views their certificate

Share button added directly on certificate view page

🌍 Public share link — no login required

📱 Works with WhatsApp, Facebook, LinkedIn previews (OG metadata)

🧩 No modification to core mod_customcert plugin

⚡ No cron needed — real-time processing

🛠 Uses Poppler (pdftoppm / pdftocairo) for PDF ' Image conversion

🔐 Secure: uses random share codes (no personal data in URL)

🛠 Requirements

Moodle 4.2+

Custom Certificate plugin installed (mod_customcert)

Poppler utilities installed
Check:

pdftoppm -v

📂 Installation

Upload the ZIP via:
Site administration ' Plugins ' Install plugins

Click Continue through validation

Purge caches

🚀 How It Works

User views certificate ' PDF is generated by mod_customcert

Plugin detects PDF and creates a image using Poppler

Adds a Share Certificate button

Learner gets a public page to showcase their achievement

Example share link:

https://yourmoodlesite.com/local/certimagegen/certificate.php?code=f4zji20Bho

🎯 Why Use This Plugin?

Give your learners a professional way to:

Share certificates on LinkedIn

Send proof on WhatsApp or email

Display achievements on resumes & portfolios

Just like Coursera, Udemy, LinkedIn Learning — inside Moodle 🎉

Show previous versions

Certificate Image Generator

Versions

1.0.0 (2026012805)