Whether you need to send a scanned document, combine multiple photos into one file, or simply make an image shareable as a PDF, converting images to PDF is one of the most common file tasks people do every day. The good news: you can do it in under 30 seconds, for free, right in your browser.
Visit pdfsnap.github.io and select "Image to PDF" from the conversion tools.
Click "Select Image" or drag your JPG, PNG, or WebP file into the upload area. Multiple formats are supported simultaneously.
Choose from A4, Letter, or auto-fit. Auto-fit makes the PDF exactly the size of your image — ideal for photos. A4/Letter is better for documents you plan to print.
Click "Convert to PDF" and download your file. The whole process takes under 5 seconds for most images.
This is one of the most requested features — scanning a multi-page form creates multiple image files that need to be merged into a single PDF.
In the Image to PDF tool, click "Select Images" and select all your files at once (hold Ctrl/Cmd to select multiple), or drag and drop them all together.
Drag the thumbnail previews to put pages in the correct order. This is especially important for multi-page scanned documents.
Click "Combine to PDF" — all images become pages in one PDF file, downloaded instantly.
PNG images with transparency are fully preserved when converting to PDF. Transparent areas become white in the output PDF, which is the standard behaviour for PDF documents.
Don't resize images before converting if you want maximum quality in the final PDF. PDFSnap embeds images at their original resolution.
PNG files are larger than JPGs. If your image doesn't have transparency and you want a smaller PDF, convert it to JPG first (using PDFSnap's free converter), then convert to PDF.
While PDFSnap handles HEIC, some older tools don't. For maximum compatibility, use PDFSnap's HEIC to JPG converter first if you plan to share the PDF widely.
JPG, PNG, WebP, HEIC — all supported
Combine multiple images · No signup · Works on mobile
Universal compatibility. Every device and operating system can open a PDF. Images in HEIC or WebP format cannot be opened by everyone — but a PDF made from those images opens anywhere. Consistent rendering. A JPEG shared via email can be resized or colour-shifted by different image viewers. A PDF page looks identical to every recipient. Combining multiple images into one file. If you have scanned a multi-page document page by page into individual JPGs, converting them to a single PDF creates one coherent document for sharing, printing, and filing. Professional presentation. Submitting a certificate, portfolio page, or identification document as a PDF looks more deliberate than a raw image file, and many official submission systems specifically require PDF format.
Upload all your images to PDFSnap's image-to-PDF tool, arrange them in the correct order using the drag-and-drop interface, and convert them all at once. The result is a single PDF where each image becomes one page. This is particularly useful for: scanned documents photographed page by page, photo essays and portfolios in a specific sequence, multi-page forms filled in by hand and photographed, and receipts or invoices photographed for expense submissions.
Fit to page scales the image to fill the PDF page dimensions (A4 or Letter) while maintaining aspect ratio — good for photos and graphics where content should fill the page. Actual size places the image at its pixel-exact size on the PDF canvas. No margins vs standard margins: for full-bleed photo PDFs, remove margins so the image fills edge to edge. For official document submissions, keep standard margins (typically 1cm or 0.4 inches) so the image does not clip when printed.
PDFSnap's image-to-PDF tool works fully in mobile browsers. Upload images directly from your phone's camera roll, arrange the order, and download the PDF — no app installation required. On iOS, you can also use the built-in Share Sheet: select multiple photos in the Photos app, tap Share, tap Print, then pinch-zoom on the print preview to open it as a PDF, which you can then save to Files. This is the fastest native approach on iPhone for converting a few photos to PDF without any third-party tool.
On Android, the built-in Google Drive app can convert photos to PDF: open the Drive app, tap the plus button, tap Scan, photograph each page, and save as PDF. The Google Drive scanner also applies automatic edge detection and perspective correction, which is useful for photographed documents. For existing photos already in your gallery, Google Photos does not natively create PDFs, so PDFSnap or a third-party app is the practical choice.
PDFSnap's image-to-PDF tool supports the most common image formats: JPEG, PNG, WebP, GIF (first frame only), and BMP. HEIC files — the format iPhones use by default — may need to be converted to JPEG first, as HEIC support varies by browser. On iPhone, you can configure the camera to shoot in JPEG format (Settings → Camera → Formats → Most Compatible) if you regularly need to share or upload photos from your phone. Alternatively, HEIC files shared from iPhone to other devices via AirDrop or email are typically automatically converted to JPEG during the transfer.
PDFSnap's image-to-PDF tool supports the most common formats: JPEG, PNG, WebP, GIF (first frame only), and BMP. HEIC files — the default format on iPhones — may need to be converted to JPEG first, as HEIC support varies by browser. On iPhone, you can configure the camera to shoot in JPEG format (Settings → Camera → Formats → Most Compatible) if you regularly need to share or upload photos from your phone. HEIC files shared from iPhone to other devices via AirDrop or email are typically automatically converted to JPEG during the transfer, so the format issue often resolves itself in everyday use.
📚 Related ArticlesMohammad specialises in document workflows and image processing tools. He has tested hundreds of free online utilities so you don't have to, and writes practical, no-fluff guides to help you get things done faster.