Skip to content
AttachKit
Help center

How to convert JPG or PNG images to PDF in your browser

Combine JPG and PNG images into a single PDF in your browser — reorder the pages, fit them to A4 or Letter, and download — without your images ever being uploaded to a server.

Last updated

JPG to PDF combines one or more JPG or PNG images into a single PDF — one image per page — entirely in your browser. Unlike most online converters, your images are never uploaded to a server.

Before you start

  • The tool is free, needs no account, and adds no watermark.
  • It accepts JPG and PNG only, up to 30 MB per image and 100 images per PDF. Other formats (HEIC, WebP, GIF, TIFF) need converting to JPG or PNG first — see the troubleshooting guide.
  • Everything runs locally. You can open your browser's DevTools network tab and watch: no image bytes leave your device.
  • Phone photos are handled correctly: if a JPEG carries an EXIF rotation tag, AttachKit bakes the rotation into the pixels before building the PDF, so portrait photos land upright instead of sideways.

Steps

  1. Open JPG to PDF.
  2. Drop your images onto the Drop JPG or PNG images here zone, or tap it to choose files. You can select many at once.
  3. Put the pages in order. Each image appears in a list with a thumbnail; use the Move up and Move down arrows to reorder, and the trash button to remove one. The list order is the page order. The Add more images strip below the list lets you append further images at any time.
  4. Pick a page size (see the table below). Fit to image is selected by default.
  5. If you chose A4 or Letter, pick an orientation: Auto, Portrait, or Landscape. Auto uses a landscape page for any image that's wider than it is tall, portrait otherwise.
  6. Click Create PDF. The button shows "Building…" while the PDF is assembled in your browser.
  7. Click Download PDF (N pages) to save the result.
Page sizeWhat you get
Fit to imageEach page exactly matches its image — no margins, no scaling. One pixel becomes one PDF point (72 points per inch).
A4Each image is centered on an A4 page with a small margin, scaled to fit without distortion.
LetterThe same, on a US Letter page.

A few things worth knowing:

  • Changing anything rebuilds. If you reorder, add, or remove images, or change the page size or orientation after building, the download button reverts to Create PDF — click it again to rebuild with the new settings.
  • File naming. A single image downloads as its own name with a .pdf extension (e.g. receipt.jpg becomes receipt.pdf); multiple images download as images.pdf.
  • Choose Fit to image for screens, A4/Letter for printing. Fit pages take the image's exact pixel dimensions, which can be physically huge for a high-resolution photo; A4 and Letter give you standard printable pages.
  • Start over clears the list and resets the options if you want to begin again.

Result

You get one PDF with one image per page, created entirely on your device. After the download, AttachKit offers to hand the new PDF straight to Fill or you can take it to Sign. Need the reverse direction? PDF to JPG exports a PDF's pages as images.

Related

Open the tool →

Related

Was this helpful?

Still stuck? Contact support →