Convert PNG Images to PDF Online Free
Turn one or more PNG images into a single PDF file.
How to Convert PNG to PDF in 3 Steps
- Upload your PNG images. Drag and drop one or multiple PNG files into the upload area. Each image will become one page in the output PDF document.
- Click "PNG to PDF". PDFTools combines your PNG images into a single PDF document using ImageMagick, with each image filling one page in the order they were uploaded.
- Download your PDF. Your combined PDF is ready to download, email, print, or archive. It is a standard PDF viewable on any device without special software.
Why Use PDFTools to PNG to PDF?
- Combine multiple PNG files — Upload several PNG files at once and merge them all into one PDF — perfect for combining screenshots, diagrams, or design assets into a single document.
- Preserves image quality — PNG images are embedded into the PDF at their original resolution. No additional compression or quality reduction is applied during conversion.
- Transparency handled correctly — PNG images with transparent backgrounds are properly handled during PDF embedding — transparent areas are rendered cleanly in the output.
- Free and instant — Convert PNG images to PDF for free with no account or sign-up required. Files are processed and delivered in seconds.
Frequently Asked Questions
Can I convert a screenshot or diagram to PDF?
Yes. Screenshots, diagrams, wireframes, and any other PNG image can be converted to PDF. This is commonly used to turn design mockups, technical diagrams, and screen captures into professional PDF documents for sharing or printing.
What happens to transparent areas in my PNG?
PNG files with transparency (alpha channel) have their transparent regions rendered against a white background when embedded in the PDF, since standard PDFs do not support page-level transparency. The image content is fully preserved.
Is the PDF file size large when converting from PNG?
PNG images tend to produce larger PDF files than JPG images because PNGs store more colour data. If file size is a concern after conversion, use the Compress PDF tool to reduce the output PDF file size significantly.