Postcard Maker
Create personalised photo postcards and greeting cards online. Download a print-ready PDF.
How It Works
Choose a postcard template
Select from photo postcards, holiday cards, thank-you cards, or blank designs in standard 4×6 inch format.
Add your photo and message
Upload a photo, write your personalised message, choose a font and colour scheme to match the occasion.
Download and print or send
Download a print-ready PDF postcard. Print at home or send to a professional print service.
Why SynthPDF?
Standard 4×6 inch format
Postcards sized to the standard postal format — compatible with postal services in the US, UK, EU, and Australia.
Photo postcard support
Upload your own photos for photo postcards. Images embedded at full resolution for sharp prints.
Personalised message side
Design both front and back — add your handwritten-style message, recipient address area, and stamp box.
Print-ready at 300 DPI
High-resolution PDF output for home printing or professional print shops. Sharp at 4×6 and larger.
Templates for every occasion
Holiday, thank-you, birthday, travel, and promotional postcard templates — ready to customise in minutes.
Free, no watermarks
Download a clean postcard PDF with no SynthPDF branding. Print as many copies as you need.
Frequently Asked Questions
Standard postcard size is 4×6 inches (101.6×152.4 mm). A6 (105×148mm) is also available for European postal compatibility.
Yes — upload JPG or PNG photos. Images are fitted to the postcard layout and embedded at full resolution in the PDF.
Yes — the PDF is exported at 300 DPI for sharp home printing on postcard-weight paper or standard photo paper.
Yes — design both front (photo/design side) and back (message and address side). The PDF includes both as separate pages.
Yes — the layout engine can print 2-up or 4-up (multiple postcards per A4/Letter sheet) to reduce paper use.