Blog
Guides and ideas for branded PDFs and images.
Short articles from the people who build thirds.ai, with real examples you can use in your own templates today.
Generate training certificates as PDFs from one reusable template
Make a certificate for each learner with one saved design, then repeat it in the editor or from your training records through the API.
Read the articleCreate branded PDFs and images from words, HTML, or a picture
Start with words, your HTML, or a picture you own, get an editable branded template, and render it as a PDF or a PNG, JPEG, or WebP image.
Read the articleHow to build a brand kit that applies itself to every template
Save your name, tone, colours, logo, and fonts once as a brand kit. Pick it in the editor, the AI chat, or an API field, and every file comes out on brand.
Read the articleGenerate invoice PDFs from JSON in Node.js
Turn a JSON object into a branded invoice PDF with one fetch call in Node.js. Copy the invoice template, send the data, poll the job, and save the file.
Read the articleMake invoice PDFs from template data
Copy the Client invoice template, send one POST /v1/pdf request with your invoice data, download the PDF, and fix the common errors.
Read the articleMake static ad variants from one template
Save the Seasonal offer design once, then change the headline, offer, and product in three POST /v1/image requests or in the editor to get three variants.
Read the articleOpen Graph images: the complete guide
The size, the meta tags, the Twitter card tags, the caching rules, and how to make a card for every page through one API call.
Read the articleMake Open Graph images from HTML
Send one HTML page to POST /v1/image at 1200 by 630 pixels, download the PNG, and use it as the link preview card for your page.
Read the articleGenerate PNG and WebP images from HTML in Python
Send HTML to POST /v1/image with requests, set the format, width, and height, and get back a PNG, WebP, or JPEG at the exact size you asked for.
Read the articleRebuild an image as an editable template
Upload a design you own, get an editable template in your brand, fix the text, spacing, photo, and fonts by hand, and know the limits before you start.
Read the articleStatic ad examples: 15 formats that work, and the template for each
Fifteen static ad layouts with an editable template for each, including how to turn a customer review into a readable testimonial image.
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