toolist

pdf-tools tool

Images to PDF

Combine JPG, PNG, or WebP images into a single PDF. Drag to reorder images, choose A4, Letter, or Auto-fit page size, and download instantly. No upload, completely free.

Images to PDF

Drop your images, drag to set the order, choose a page size, and download your PDF. Everything stays in your browser.

Drop images here

JPG, PNG, WebP · Files stay on your device

About This Tool

Images to PDF combines multiple JPG, PNG, and WebP images into a single PDF document. Drop as many images as you need, drag to reorder them, pick a page size, and download the PDF in seconds.

All conversion happens in your browser using pdf-lib, an open-source JavaScript library. Your images are never uploaded to any server, making this the safest way to convert sensitive photos, scanned documents, or personal images to PDF.

Page size options give you control over how images are laid out. A4 (210 × 297 mm) is the international standard used in most countries. Letter (8.5 × 11 in) is the standard for the United States and Canada. Auto-fit creates a page exactly the same dimensions as each image — no whitespace, no cropping.

When using A4 or Letter, images are scaled to fit the page while maintaining their aspect ratio and centred on the page. Landscape images are placed on a landscape-oriented page automatically, so photos always look correct regardless of orientation.

This tool is ideal for converting scanned receipts, handwritten notes, whiteboards, photographs, and diagrams into a portable PDF that can be shared, archived, or printed. It is especially useful in workflows where a portal or email only accepts a single PDF attachment but you have multiple image files to submit.

How To Use

  1. 1. Drop your images onto the upload area, or tap the area to open your file picker. You can select multiple images at once.
  2. 2. Each image appears as a card in a thumbnail grid showing the image preview and filename.
  3. 3. Drag the image cards to set the order in which pages will appear in the PDF.
  4. 4. To remove an image, hover over its card and click the × button that appears in the top-right corner.
  5. 5. Choose a page size: A4, Letter, or Auto-fit (page dimensions match the image exactly).
  6. 6. Click Create PDF to generate the document. The PDF downloads automatically to your device.
  7. 7. To add more images after the initial upload, tap the drop zone at the top of the page again.

Supported Image Formats and Page Size Guide

The tool accepts the three most common web and photo image formats. Choose your page size based on the intended use of the PDF.

  • JPG / JPEG — Best for photographs and scanned documents.
    JPEG images are embedded directly at their original quality. No re-compression occurs, so the PDF retains the full quality of your photos.
  • PNG — Best for screenshots, diagrams, and images with transparency.
    PNG files are embedded losslessly. Transparent areas are rendered on a white background in the PDF.
  • WebP — Best for modern web images and compact photos.
    WebP images are converted to JPEG internally before embedding to ensure compatibility with all PDF readers.
  • A4 page size — Standard for most countries (210 × 297 mm).
    Use this for official documents, reports, and anything that needs to print correctly on standard European or Asian paper.
  • Letter page size — US and Canadian standard (8.5 × 11 inches).
    Use this for documents intended for printing or submission in the United States.
  • Auto-fit page size — Each page matches the exact pixel dimensions of the image.
    Ideal for infographics, posters, full-bleed photographs, and situations where you don't want any whitespace around the image.

Frequently Asked Questions

Are my images uploaded to a server?

No. The PDF is created entirely in your browser using pdf-lib, an open-source JavaScript library. Your images are read from your device's memory and never transmitted over the internet. You can verify this in your browser's Network tab — there will be no upload requests.

How many images can I combine into one PDF?

There is no enforced limit. The practical limit is your device's available memory. Dozens of images — even at high resolution — work fine on modern smartphones and laptops.

Will the image quality be reduced in the PDF?

For JPG and PNG, the quality is preserved as-is. For WebP images, an internal conversion to JPEG occurs before embedding — the quality setting is 92%, which is visually lossless for most images. If perfect lossless quality is critical, save your WebP images as PNG before using this tool.

How do I convert scanned documents to PDF?

If your scanner produces individual JPEG or PNG files for each page, drop all the image files at once into this tool, drag to set the correct page order, and click Create PDF. The result is a multi-page PDF containing all scanned pages in the correct sequence.

Can I use this to create a photo album PDF?

Yes. Drop all your photos, drag to arrange them in the order you want, choose A4 or Letter page size, and create the PDF. Each photo becomes a full-page image in the PDF. For a photo booklet layout with multiple photos per page, you would need a layout tool.

Does the PDF work in all PDF readers?

Yes. The PDF is created using the standard PDF format (version 1.7) via pdf-lib. It is compatible with Adobe Acrobat, Chrome's built-in PDF viewer, Apple Preview, Foxit Reader, and all other standard PDF readers.

What is Auto-fit page size?

Auto-fit sets the PDF page dimensions to exactly match each image's pixel dimensions (in PDF points at 72 DPI). This means there is no whitespace, no scaling, and no border — the image fills the entire page. Different pages may have different sizes if your images have different dimensions.

Can I add a mix of portrait and landscape images to the same PDF?

Yes. When using A4 or Letter page size, the tool automatically detects image orientation and places landscape images on landscape-oriented pages and portrait images on portrait-oriented pages. This ensures every photo fills the page correctly without needing to rotate images manually.

How do I combine images to PDF on iPhone or Android?

Open this page in your phone's browser. Tap the upload area to open your photo library or Files app. Select multiple images, set the order by dragging, choose a page size, and tap Create PDF. The PDF downloads to your device. No app installation is needed.

Can I compress the resulting PDF after creating it?

Yes. After downloading your PDF, open the PDF Compressor tool and upload the file to reduce its size. Use thePDF Compressor

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