Convert Images to a PDF
Receipts, homework pages, scanned contracts, a set of photos - drop them here and get back one tidy PDF, arranged in the order you choose. The document is assembled free of charge inside your browser tab itself; your images stay on your device from the first click to the finished download.
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How it works
- Add your images - JPG, PNG, WebP - and drag the thumbnails into the order the pages should appear.
- Choose a page size: A4, US Letter, or pages that match each image exactly.
- Set orientation and margins, and decide whether images fit inside the page or fill it.
- Click create PDF and save the finished document.
Worth knowing
Most online image-to-PDF services are a PDF library running on a server, which is why they need your files. This one is neither: the page writes the PDF file format directly in the browser - the object table, the page tree, the cross-reference index and the image streams - with no library and no server round trip. JPEG images get a particularly clean deal from that design. PDF natively understands JPEG compression (the format calls it DCTDecode), so each JPG is embedded as-is, byte for byte, never decoded and never re-compressed. Your photos come out the other side at exactly the quality they went in, and a 10-photo PDF is built in well under a second.
Page geometry follows the standards. PDF measures in points, 72 to the inch: an A4 page is 595 by 842 points and US Letter is 612 by 792. Images are placed at a 96-pixels-per-inch scale - the same convention screens use - so a 960-pixel-wide photo lays out as 10 inches on paper. Anything larger than the printable area is scaled down proportionally to fit within your margins; nothing is ever cropped off the edge silently.
The page-size choice deserves a moment of thought. A4 or Letter is right when the PDF will be printed or filed with paperwork in the same document, and it gives every page identical dimensions regardless of how mixed your images are. Fit-to-image is right for photo albums and screenshots, producing a borderless page per picture with no whitespace at all. Portrait suits documents; landscape earns its keep for spreadsheet screenshots and wide photos.
The ordering step is worth using deliberately, since page order is the one thing you cannot fix without rebuilding. Thumbnails drag freely before you commit, and the PDF is generated fresh from the current arrangement each time - so if page three should have been page one, rearrange and click again; it costs nothing.
This tool writes raw PDF syntax itself and embeds JPEGs directly as DCTDecode streams - the PDF standard's native JPEG mode - so your photos are stored byte-identical inside the document with zero recompression. Converters that rasterise images onto PDF pages through a canvas quietly re-encode them and lose quality; this one structurally cannot.
What this tool will not do
- It will not perform OCR - the PDF contains your images as pictures, with no selectable or searchable text layer.
- It will not compress your images to hit a target PDF size; compress the images first if the final document must stay under a limit.
- It cannot edit existing PDFs - it builds new documents from images only. Use the PDF-to-image tools for the reverse direction.
Page dimensions used by this tool
| Page setting | Size in points | Size in inches |
|---|---|---|
| A4 portrait | 595 x 842 | 8.27 x 11.69 |
| US Letter portrait | 612 x 792 | 8.5 x 11 |
| Fit to image | Matches each image at 96 px/inch | Varies per page |
Questions people ask
How do I put multiple photos into a single PDF?
Drop them all onto the page, drag the thumbnails until the order is right, pick a page size and click create. Each image becomes one page and the whole document downloads as a single file.
Will my images lose quality inside the PDF?
JPEGs are embedded with no re-encoding at all, so their quality is untouched - the bytes in the PDF are the bytes of your file. PNGs are stored losslessly as well. What you see before conversion is exactly what the PDF holds.
Should I choose A4, Letter or fit-to-image?
Match the paper your audience prints on: A4 in most of the world, Letter in the US and Canada. Choose fit-to-image when nobody will print it - each page then wraps its image exactly with no margins, which looks best on screens.
Why is my PDF larger than the images combined?
It is usually only slightly larger - a few kilobytes of document structure around your untouched image data. If the PDF seems far too big, the culprit is big source images; run them through the compressor first and rebuild.
Can I make a PDF from photos on my phone?
Yes - the tool runs in mobile Safari and Chrome and can pull images straight from your camera roll. Assembly happens on the phone itself, so even large batches work on a weak connection or airplane mode once the page has loaded.
Is there a limit on the number of pages?
No fixed cap. Practical limits come from your device's memory; hundreds of typical photos work fine on a laptop. Very large batches on old phones may be slower simply because the hardware is doing all the work.
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