Free Online Certificate Maker
Creating a certificate of completion, achievement, or appreciation used to require a designer or expensive software. ImgToolkit's free certificate maker gives you three elegant templates — fill in the recipient name, course, and date, and download a professional certificate as PNG or PDF.
Quick Answer
Creating a certificate of completion, achievement, or appreciation used to require a designer or expensive software. ImgToolkit's free certificate maker gives you three elegant templates — fill in the recipient name, course, and date, and download a professional certificate as PNG or PDF.
Try it now — free, no signup
Your images stay on your device. Nothing is uploaded to any server.
Step-by-Step Guide
4 steps · takes under 1 minute
Choose a certificate template
Pick from three elegant designs: classic, modern, or award style.
Fill in the details
Enter the recipient's name, the course or achievement, the date, and the issuer's name.
Preview
See a live preview of the certificate as you type.
Download as PNG or PDF
Click Download to save a high-resolution PNG or PDF.
100% Private — Zero Uploads
ImgToolkit runs entirely in your browser using the Canvas API. Your images are never sent to a server, never stored in the cloud, and never seen by anyone else. This makes it safe for sensitive documents, client work, medical imagery, and confidential screenshots.
Pro tip
All processing happens in your browser using WebAssembly and the Canvas API. No files are sent to any server — your images stay completely private.
Format & File Size Comparison
Same 1080×1080px photo processed four ways
| Format | Quality | File Size | Notes |
|---|---|---|---|
| PNG (original) | Perfect | 4.2 MB | No compression — too large for web |
| Compressed PNG | Visually identical | 1.1 MB | −74% — transparency preserved |
| JPG (85% quality) | Excellent | 310 KB | −93% · Best for photos |
| WebP (85%)BEST | Excellent | 205 KB | −95% · Recommended for web |
Based on a 1080×1080px photo. Results vary by image content and complexity.
Related Free Tools
All tools run in your browser — no account or upload needed
Frequently Asked Questions
2 questions answered
Ready to get started?
Free, instant — your files stay on your device. Always.
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