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NJHTools

Image to PDF Converter

Convert JPG, PNG, and WebP images to PDF and combine them into a single document. Reorder pages, choose A4, Letter, or fit-to-image, and download. Everything happens in your browser, with no upload.

Page Size
Orientation

Auto turns wide images into landscape pages.

Margin

Small = 0.25 in (6 mm), Large = 0.75 in (19 mm).

Drag images here, or click to choose files

JPG, PNG, and WebP. Each image becomes one page. Nothing is uploaded.

How to convert JPG to PDF

  1. Drag your JPG, PNG, or WebP images onto the drop zone, or click it to choose files.
  2. Put the pages in order by dragging the cards or using the arrow buttons. Remove any image you don't need.
  3. Choose a page size (A4, Letter, or fit to image), an orientation, and a margin.
  4. Click Download PDF to combine all images into a single images.pdf file.

Page size, orientation, and margin options

  • A4 (210 × 297 mm) is the standard paper size in most of the world. Letter (8.5 × 11 in) is standard in the US and Canada.
  • Fit to image makes every page exactly the size of its image, which is best for screenshots and on-screen reading.
  • Auto orientation uses a landscape page for wide images and a portrait page for tall ones, so nothing is squeezed.
  • Images are scaled to fit inside the margins and centered, keeping their original aspect ratio.

Combine images into a PDF without uploading

The PDF is built entirely in your browser with the open-source pdf-lib library. JPG and PNG images are embedded at their original quality. WebP and other formats are converted to high-quality JPEG first, because the PDF format can't store WebP directly. Your images are never sent to a server, so it's safe for receipts, IDs, and scanned documents.

Related Tools

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Frequently Asked Questions

How do I convert JPG to PDF?↓

Add your JPG images to the converter, arrange them in the order you want, choose a page size and margin, and click Download PDF. All images are combined into one images.pdf file.

Can I combine multiple images into one PDF?↓

Yes. Add as many JPG, PNG, or WebP images as you like. Each image becomes one page, and you can reorder pages by dragging them or with the arrow buttons before creating the PDF.

Are my images uploaded to a server?↓

No. The PDF is created entirely in your browser using the pdf-lib library. Your images never leave your device, which makes it safe for receipts, IDs, and private documents.

Does converting images to PDF reduce quality?↓

JPG and PNG images are embedded in the PDF without re-compression, so there is no quality loss. WebP and other formats are converted to high-quality JPEG first because PDF cannot store WebP directly.

Which page size should I choose?↓

Choose A4 for most countries or Letter for the US and Canada if you plan to print. Choose Fit to image to make every page exactly match its image, which works well for screenshots and on-screen viewing.

Can I convert PNG or WebP to PDF too?↓

Yes. PNG images are embedded losslessly, including transparency, and WebP images are supported as well. You can mix JPG, PNG, and WebP files in the same PDF. For iPhone HEIC photos, convert them with the HEIC to JPG tool first.

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