Course completion certificate
Award a learner a course certificate with a large name and seal.

- File types
- Size
- 11.7 × 8.27 in PDF
- Use case
- Certificates
- Licence
- Free to copy and use in your own templates
- Source
- Made by thirds.ai with the open-licence Playfair Display and Great Vibes fonts and fictional sample names.
- Free tool
- Free certificate generator
Three brands
Give every client this design in their own brand.
Add a client's logo, colours, and fonts in one step, and you've got a file that looks made just for them, with no new design to build.
About this design
What you can make with it.
When a student finishes your course, print them a landscape certificate. Their name runs large in serif type, with the course, the year, and a signature. Change the name and course for each award.
Your details
What you can change.
These are the words and numbers you swap for your own. The design stays the same.
- IssuerA short text.
- KickerA short text.
- RecipientA short text.
- Lead inA short text.
- CourseA short text.
- DetailA longer text with more than one line.
- Awarded onA short text.
- Certificate numberA short text.
- SignatoryA short text.
- Signatory roleA short text.
- Seal topA short text.
- Seal yearA short text.
- Paper colourA colour.
- Ink colourA colour.
- Accent colourA colour.
{
"issuer": "Northgate Design School",
"kicker": "Certificate of completion",
"recipient": "Amelia Hartwell",
"lead_in": "has completed the twelve-week course",
"course": "Brand Identity Foundations",
"detail": "Sixty hours of studio practice in type, colour, and logo systems, with a final portfolio review.",
"awarded_on": "14 November 2026",
"certificate_number": "NDS-2026-0318",
"signatory": "Helena Marsh",
"signatory_role": "Course director",
"seal_top": "Class of",
"seal_year": "2026",
"paper_colour": "#FBF6EC",
"ink_colour": "#1D2B4F",
"accent_colour": "#D9A441"
}For developers
Make this file from your code or your AI tools.
Save your design once, then your code or AI tool sends the details and gets the finished file back. Each one costs 1 credit.
curl https://thirds.ai/v1/pdf \
-H "Authorization: Bearer $THIRDS_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: workshop-certificate-1" \
-d '{"template_id":"tpl_your_copy","version":1,"data":{"issuer":"Northgate Design School","kicker":"Certificate of completion","recipient":"Amelia Hartwell","lead_in":"has completed the twelve-week course","course":"Brand Identity Foundations","detail":"Sixty hours of studio practice in type, colour, and logo systems, with a final portfolio review.","awarded_on":"14 November 2026","certificate_number":"NDS-2026-0318","signatory":"Helena Marsh","signatory_role":"Course director","seal_top":"Class of","seal_year":"2026","paper_colour":"#FBF6EC","ink_colour":"#1D2B4F","accent_colour":"#D9A441"},"pdf":{"width":"1123px","height":"794px"}}'{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "render",
"arguments": {
"output": "pdf",
"idempotency_key": "workshop-certificate-1",
"request": {
"template_id": "tpl_your_copy",
"version": 1,
"data": {
"issuer": "Northgate Design School",
"kicker": "Certificate of completion",
"recipient": "Amelia Hartwell",
"lead_in": "has completed the twelve-week course",
"course": "Brand Identity Foundations",
"detail": "Sixty hours of studio practice in type, colour, and logo systems, with a final portfolio review.",
"awarded_on": "14 November 2026",
"certificate_number": "NDS-2026-0318",
"signatory": "Helena Marsh",
"signatory_role": "Course director",
"seal_top": "Class of",
"seal_year": "2026",
"paper_colour": "#FBF6EC",
"ink_colour": "#1D2B4F",
"accent_colour": "#D9A441"
},
"pdf": {
"width": "1123px",
"height": "794px"
}
}
}
}
}Edit this template
Open it in the editor, put your brand on it, and keep it with your own templates. Your first 50 credits each month are free.





