About the Images to PDF

Images to PDF is a free online tool that converts one or more images into a single PDF document — with your choice of page size (A4, Letter, or original image dimensions) and orientation.

How It Works

You upload up to 20 images (JPEG, PNG, WebP, GIF, or BMP). They are sent to our server where Pillow opens each image and ReportLab creates a PDF using its canvas API. Each image gets its own page. The image is centred and scaled proportionally to fill the page while preserving aspect ratio.

Page size options are A4 (210×297mm), US Letter (215.9×279.4mm), or the original image dimensions (each page matches the pixel dimensions of that image). Portrait and landscape orientations are supported for standard page sizes. Images are re-encoded as JPEG at quality 92 for efficient PDF embedding.

What Is sortout.app?

sortout.app is a growing collection of focused web tools, each designed to do exactly one thing well. Every tool is free, requires no account, and is built to load fast anywhere.

Privacy

Your files are sent to our server over HTTPS, processed immediately, and deleted — never stored or shared. See our full Privacy Policy.

Frequently Asked Questions

Is this tool free?

Yes, completely free with no usage limits.

Do I need to create an account?

No. There is no sign-up, no login, and no registration of any kind.

How many images can I combine?

Up to 20 images per conversion. Each image becomes one page in the PDF.

Does the image order matter?

Yes — images appear in the PDF in the order they are uploaded.

Is transparency preserved in the PDF?

PNG transparency is not preserved — images are composited on a white background when embedded in the PDF.

Contact

Questions or feedback? Open an issue at github.com/sortout-app/feedback or email hello@sortout.app.