Certificate Generator
GenerateLive APIGenerate many certificates from one template + a CSV.
Certificate Generator
Generate many certificates from one template + a CSV.
Template
Drop or choose
PDF or DOCX with {{variables}} placeholders
Data file
Drop or choose
CSV — a header row + one row per certificate
Files are processed securely and deleted after 1 hour.
Accepts
PDF, VND.OPENXMLFORMATS-OFFICEDOCUMENT.WORDPROCESSINGML.DOCUMENT, CSV
Returns
ZIP
Batch
Single file
Cost
10 / row
How to certificate Generator
Turn one template and a spreadsheet into hundreds of finished, personalized documents. Upload your design plus a CSV or Excel file of names and details, and Bytefuse generates a certificate for every row — each one matching the layout exactly — delivered together in a single ZIP.
- 1
Upload your file
Drop in your PDF, DOCX, CSV, or pick from your device.
- 2
Set your options
Tune a couple of settings to get exactly the result you want.
- 3
Download the result
Grab your ZIP archive right away. Files are deleted automatically after an hour.
Why Bytefuse
Everything you get with Certificate Generator
Fast, faithful to your document, and ready for real work — in the browser or over the API.
Hundreds at once
Generate a personalized document for every row in your spreadsheet in one run, then download them all as a ZIP.
Pixel-faithful output
Every certificate matches your template design exactly, so the whole batch looks polished and consistent.
Your data, mapped in
Feed names, dates and details from a CSV or Excel file and each one lands in the right place automatically.
Automate it
Kick off bulk generation from your own code with a single REST call — SDKs and docs included.
Do more with a free Bytefuse account
Create a free account to save your history, process bigger files, and unlock every document tool — no credit card required.
No credit card required · Already have an account? Sign in
Prefer to automate? Call it by API.
curl -X POST https://api.bytefuse.in/generate/certificates \
-H "Authorization: Bearer dt_live_••••" \
-F "file=@document.pdf" \
-F "output_format=pdf"Questions, answered
A template document plus a CSV or Excel file where each row holds the details for one output — the tool merges them into a finished document per row.
All generated documents come back together in a single ZIP, so a large batch is one convenient download.
No — it works for any templated document you need in bulk, such as letters, badges, awards or personalized notices.
Open Certificate Generator on Bytefuse, upload your PDF, DOCX, CSV file, pick your options, and download the result in seconds. It works free in your browser with no signup, or through a single API call — files are automatically deleted after one hour.
Yes — it's free to try in your browser. Programmatic use through the API costs 10 credits per row per run.
They're encrypted in transit, processed only for your request, and automatically deleted within an hour. We never use them to train models.
PDF, DOCX, CSV.
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