Convert Images to
PDF Document

How to Convert JPG and PNG to PDF Online

Converting images to a PDF document is a daily requirement for students, professionals, and anyone handling paperwork online. Whether you need to compile photos of your homework, ID cards, or scanned documents, ReduceSize.online provides a blazing-fast tool to convert them into a single PDF.

100% Secure & Private Conversion

Unlike other PDF tools that force you to upload your sensitive ID cards or personal photos to their servers, our Image to PDF tool works completely offline in your browser. Your images never leave your device. The PDF is generated using your device's memory, ensuring maximum privacy and zero risk of data leaks.

How to use the Image to PDF Tool

1. Select Images: Click on the upload box and select one or multiple images (JPG, PNG, or WebP) from your gallery or computer.
2. Review Previews: You will instantly see thumbnail previews of all selected images.
3. Set Custom Size (Optional): If your form requires the PDF to be under 200KB or 500KB, simply type that number into the target box.
4. Generate & Download: Click the button, and your perfectly sized PDF will be ready to download in seconds!

Frequently Asked Questions

Can I combine multiple images into one PDF?
Yes, you can select multiple JPG, PNG, or WEBP images at once and they will be combined into a single multi-page PDF document.

Can I set an exact file size for the PDF?
Yes, you can optionally enter a target size in KB and the tool will compress the images so the final PDF matches that limit, useful for online form uploads.

Is my data uploaded to a server?
No. The entire conversion happens locally in your browser. Your images and the resulting PDF never leave your device.