How to Convert Multiple PNG Images into One PDF

To convert PNG images to PDF, gather your PNG files in the order you want them, open the Screenshot to A4 PDF tool on iboxseo.org, add the images, arrange them in order, and download one A4 PDF with each image on its own page. If you already have separate PDFs, use the PDF Merge tool to combine them into a single PDF in that order. The steps below work on mobile and PC, and they keep your pages in the order you choose.

Combining PNG images is useful for notes, receipts, screenshots, and scanned pages. A single PDF is easier to share and print than separate image files, and the reader does not have to open each image one by one. Check the order before you download, because the PDF will follow the order you set in the tool.

Why PNG images need their own approach

PNG is a lossless format, so it keeps every pixel exactly as it was. That makes it the best choice for screenshots, text, and diagrams with fine lines. The trade-off is file size: PNG files are larger than JPG files, so a PDF made from many PNG images can grow heavy.

PNG also supports transparency, which JPG does not. A logo or icon with a transparent background stays clean in a PNG file. When you turn PNG images into a PDF, the tool places each image on its own page, so transparency and sharp edges stay intact. If your files are JPG instead, our general guide to merge images into one PDF covers mixed formats.

PNG vs JPG: which gives a better PDF?

PNG gives a sharper PDF for text and screenshots, because nothing is lost in compression. JPG gives a smaller PDF for photos, because it compresses the image data. For a form or a set of notes, PNG is the better pick. For a photo album, JPG keeps the file light. Our JPG vs PNG vs WebP guide explains the trade-off in full.

How to Convert PNG Images to PDF Using Screenshot to A4 PDF

Use this method when your files are still PNG images. The Screenshot to A4 PDF tool accepts PNG and JPG files, places each image on its own A4 page, and lets you set the page layout before you download.

1. Collect your PNG files and put them in the order you want in the PDF. Renaming them in sequence, for example page-1, page-2, and page-3, makes the order easier to check.
2. Open the Screenshot to A4 PDF tool on iboxseo.org.
3. Add your PNG images. You can drag and drop them, browse for files, or paste an image, as shown on the tool page.
4. Check the order of the images. Use the Up and Down buttons, or drag an image to a new position, until the sequence is correct. Remove any image you do not want in the PDF.
5. Choose your page settings. The tool offers A4 portrait or landscape, Fit or Fill for how the image sits on the page, a margin setting, an image quality setting, and an option to add page numbers.
6. Check the total file size shown on the page, and make any final changes to order or settings.
7. Download the A4 PDF, then open it and check that every page is present and in the right order.

If an image looks too small or too large on the page, try a different Fit or Fill setting or a different orientation, then download again.

How to Convert PNG Images to PDF When You Already Have Separate PDFs

Use this method if each PNG has already been turned into a PDF, or if you have PDF files you want in one document. The PDF Merge tool combines PDF files, so it works after the PNG-to-PDF step, not as a direct PNG upload.

1. Turn each PNG into a PDF first, using the Screenshot to A4 PDF steps above, or keep the PDFs you already have.
2. Open the PDF Merge tool on iboxseo.org.
3. Add at least two PDF files. The tool accepts PDF files only for merging, so check that each file you add is a PDF.
4. Arrange the files in the order you want them to appear in the merged PDF, and remove any file you do not need.
5. Download the merged PDF, then open it and check the page order from start to finish.

This two-step route is helpful when images were converted at different times, or when you want to add a section that is already in PDF form. Always check the final merged file, because it is the file you will share.

How to Convert PNG Images to PDF on Mobile

On a phone, the same steps apply. Save the PNG images to your device first, then open the Screenshot to A4 PDF tool in your mobile browser. Add the images, check the order, choose portrait or landscape, and download the A4 PDF. If you have separate PDFs to combine, open PDF Merge, add the PDF files in order, and download the merged file. On a small screen, check the order carefully before downloading, because it is easy to miss a page that is out of place.

Tips for a Clean, Readable PDF

• Use clear file names and check the order twice before you download.
• Use portrait for tall screenshots and documents, and landscape for wide images.
• Remove duplicates and blurry images before you convert, rather than after.
• Open the finished PDF and scroll through every page before you send or print it.

Common Mistakes to Avoid

• Uploading images in the wrong order and only noticing after sharing the PDF.
• Adding a PNG file to PDF Merge and expecting it to merge, when that tool accepts PDF files only.
• Mixing portrait and landscape pages without checking how each page looks.
• Forgetting to remove an unwanted image, so it appears as an extra page.
• Skipping the final check, so a missing or repeated page goes unnoticed.

Frequently Asked Questions

Can I convert PNG images to PDF in a set order?

Yes. Add the images in your chosen order, then use the Up and Down buttons or drag them into place before you download. The PDF follows that order.

Will each PNG get its own page?

In Screenshot to A4 PDF, each image is placed on its own A4 page. That makes the result easy to read and print, one image per page.

Can I merge PDFs I already have?

Yes. Use PDF Merge, add two or more PDF files in order, and download the merged PDF. Remember that this tool accepts PDF files only, not PNG images directly.

Does this work on mobile and PC?

Yes. The steps work in a browser on both mobile and PC. On mobile, save the images first, then add them in order and check the finished PDF before sharing it.