Image to PDF
Put your pictures in order, get one PDF.
Drag to change the page order, or use the arrows on each card.
- 100% freeNo account, no daily quota, no paid tier.
- Nothing is uploadedFiles are processed on your device and never reach a server.
- No catch on the outputNo watermark, no forced downscaling, no size cap.
- Updated in the openEvery fix and every new tool is written down on the changelog page.
What this image-to-PDF converter does
Drop any number of images and get a single PDF with one image per page, in the order you set. JPEG files are embedded byte-for-byte — no re-compression, so a 12-megapixel photo keeps every pixel and the PDF is about the same size as the images; PNG pixels are copied losslessly into the PDF's own compression (identical image, sometimes a slightly different size). WebP, AVIF, GIF, BMP and SVG are converted on the fly (to JPEG, or to PNG when they have transparency) before being placed. Each image in the list shows its pixel dimensions and a thumbnail.
Page size can follow the image ('Fit to image': each page is exactly the picture's proportions, ideal for phone scans and screenshots) or a fixed paper size — A4, Letter, A3, A5 — with automatic, portrait or landscape orientation and an optional margin in millimetres. Images are scaled to fit inside the page while keeping their aspect ratio and centred. The whole conversion runs in your browser with pdf-lib; nothing is uploaded, there is no page limit and no watermark.
How to use it
Add images by dragging, clicking or pasting; use ↑ ↓ to arrange them, × to remove one. Choose a page size — 'Fit to image' for a quick document from photos, A4 or Letter when it will be printed or must match an existing form. Set a margin (10 mm is typical for print) and, for fixed sizes, the orientation; 'Auto' picks landscape for wide images and portrait for tall ones, page by page. The JPEG quality slider only affects images that must be converted (WebP, AVIF, GIF, BMP, SVG); JPEG inputs are never re-encoded and PNG stays lossless. Click Create PDF and download.
Your settings are remembered on this device. The result can be handed to the merger to combine with an existing document, or to the splitter. To make the PDF smaller before converting, run the images through the image compressor or resizer first — the 'Make PDF' button there brings them straight here.
Common pitfalls
PDF size equals image size: ten 5 MB phone photos make a 50 MB PDF that most email systems reject. Compress or resize first — for documents and receipts, 1600 pixels on the long side at 80% JPEG quality is plenty and cuts the file by 90%. Very large PNG screenshots (lossless) also bloat a PDF; convert them to JPEG unless they contain fine text you must keep crisp.
Rotation: a photo that looks upright in your gallery may be stored sideways with an EXIF orientation flag; browsers apply the flag when decoding, so the tool sees it upright — but if an image still appears rotated, rotate and re-save it in your photo app first. 'Fit to image' with a margin adds the margin on every side of the picture; fixed pages with 'Auto' orientation can alternate portrait and landscape within one file, which is correct for viewing but confusing for duplex printing — choose a fixed orientation for print jobs.
Background: images inside PDF
PDF can carry raster images as XObjects using DCTDecode (JPEG data stored verbatim) or FlateDecode (lossless, used for PNG pixels). That is why JPEG can be embedded without touching a single byte, and PNG without losing a single pixel: a viewer decodes them exactly as a browser would. Other formats have no native PDF encoding, so they must be converted first; this tool uses its own high-quality encoders (MozJPEG for photos, lossless PNG for images with transparency).
Page geometry in PDF is measured in points (1/72 inch). A4 is 595 × 842 pt, Letter 612 × 792 pt. 'Fit to image' sets the page to the image's pixel size at 72 dpi, capped so an 8K photo does not become a 2.7-metre page; because the picture fills the page, viewers show it at whatever zoom fits the window, and print dialogs scale it to the paper. Since everything runs locally with pdf-lib, no photo of an ID card, a signed page or a medical result is ever transmitted.
Where image-to-PDF is used
Scanning with a phone: photos of a contract, a receipt stack or handwritten notes become one PDF for filing or email. Job and visa applications that require a single PDF of your passport, diploma and photo. Homework and exam submissions photographed page by page. Product photos assembled into a catalogue PDF for a client. Screenshots collected into a bug report or a how-to guide. Artwork and design mock-ups delivered as a PDF portfolio. Insurance claims with photos of damage. Real-estate listings with floor plans and photos.
The natural workflow on this site is: compress or resize the photos, click 'Make PDF' to bring them here, create the document, then merge it with any existing PDF pages or split off the pages someone else needs. The reverse direction — PDF to image — gets pages back out as pictures.
Frequently asked questions
Are my photos uploaded?
No. Images are read and the PDF is built inside your browser with pdf-lib. The page works offline once loaded.
Does converting reduce image quality?
JPEG files are embedded byte-for-byte and PNG pixels are copied losslessly — zero loss either way. Other formats are converted once at the JPEG quality you set (or losslessly to PNG if they have transparency).
How do I make the PDF smaller?
Compress or resize the images first with the image compressor — 1600 px on the long side at 80% quality is usually enough for documents — then use 'Make PDF' to bring them here.
Can I put several images on one page?
Not in this tool; it places one image per page. Combine images into a single picture first (a collage), then convert.
Which page size should I use?
'Fit to image' for on-screen documents and phone scans. A4 (or Letter in North America) with a 10 mm margin when the PDF will be printed or filed with paper forms.