JPG to PDF Converter

This JPG to PDF converter turns one or many images into a single PDF, one image per page, in the order you set. It is for anyone who needs to send photos, scanned pages or screenshots as one document — a receipt for an expense claim, a signed form photographed on a phone, pages of homework — without handing the files to a website.

It works as a general image to PDF tool. JPG and PNG files go into the PDF directly. JPG is the special case that matters: a PDF can store JPEG data as it is, so each photo is copied into the PDF byte for byte, with no re-compression and no loss of quality. PNG pixels are stored losslessly. WebP and AVIF images, which a PDF cannot hold, are first decoded by your browser and re-encoded as JPG at quality 92; GIF and BMP images are converted to lossless PNG. The page tells you when that happened.

Three settings shape the pages. Page size "Fit to image" makes every page exactly the size of its picture at 96 pixels per inch, so a 1600 × 1200 px screenshot becomes a 1200 × 900 pt (16.7 × 12.5 in) page — nothing is scaled. Very large images are scaled down so no page exceeds 200 in (14,400 pt) on a side, the largest page size PDF viewers accept. A4 (210 × 297 mm) and US Letter (8.5 × 11 in) give uniform pages for printing: each image is scaled down to fit inside the margin and centred, never enlarged beyond its 96 DPI size. Orientation "Auto" gives a landscape page to a wider-than-tall image and a portrait page otherwise; you can force either. Margins are none, small (0.25 in, 6.35 mm) or large (0.5 in, 12.7 mm). Phone photos stored sideways with an EXIF orientation tag are drawn upright, without re-encoding the photo.

Because JPG files go in unchanged, anything stored inside them stays inside them — including EXIF data such as the camera model, the date and, for many phone photos, GPS location. PDF viewers do not show it, but it is in the file. If you are sharing the PDF publicly, strip location data from the photos first. Embedded colour profiles are not applied, so wide-gamut photos may look slightly less saturated.

Use a different tool when the job is different: to join existing PDFs use Merge PDF, to make the result smaller use Compress PDF, and to turn a PDF back into images use PDF to JPG. For iPhone HEIC photos use HEIC to PDF.

Everything happens in your browser. The images are read into memory, the PDF is assembled there with the open-source pdf-lib library, and the result is offered as a download. No file is sent to a server — you can confirm it in your browser's developer tools under Network, where no request carries your images. You can add up to 200 images of up to 50 MB each.

1. Each file's first bytes are checked against the JPG, PNG, WebP, AVIF, GIF and BMP signatures, so a file with the wrong extension is caught and named, not trusted by its name. 2. JPG and PNG are embedded directly: JPG data is copied into the PDF unchanged (DCTDecode); PNG is decoded to 8-bit RGB pixels plus an alpha mask and stored with lossless Deflate compression. 3. WebP and AVIF are decoded by the browser, drawn on a canvas over white and encoded as JPG at quality 92; GIF and BMP are encoded as PNG. Animated images keep their first frame. An image over 16.7 megapixels is drawn at the largest size under that (the iPhone and iPad canvas limit), and the result says so. 4. For each image a page is added: Fit to image makes the page the image's size at 0.75 pt per pixel (96 DPI) plus the margin, scaled down if a side would pass 14,400 pt (200 in); A4 (595.28 × 841.89 pt) or Letter (612 × 792 pt) is turned landscape when the image is wider than tall (Auto), then the image is scaled by min(available width ÷ image width, available height ÷ image height, 1) and centred. 5. A JPG's EXIF orientation (values 1–8) is applied as a drawing transform, so sideways-stored phone photos appear upright without re-encoding. 6. Pages follow the list order. One file is saved as its own name with .pdf; several are saved as images.pdf.