Guide · 5 min read

How to make an A4 PDF from JPG images

A phone photo isn't the same shape as a page — so when a form or printer asks for an A4 size PDF, dropping a raw JPG in rarely fits. This guide shows how to place your photos on a real A4 page, merge several JPGs into one document, set orientation and margins, and keep the file print-ready — all in your browser, nothing uploaded.

Updated July 2026. Written by Kodotools, a free browser-only tools project. The tool below runs locally in your browser — no signup, no file uploads, no watermarks.

Quick answer
Page size	A4 (210 × 297 mm)
Best format in	JPG photos (also PNG/HEIC after converting)
Multiple photos	One JPG per page, in the order you set
Tool	JPG to A4 size PDF

Why "A4" matters (and why a raw JPG doesn't fit)

A4 is the standard document page across most of the world — 210 × 297 mm, taller than it is wide. A camera photo is usually 4:3 or 3:2 and often landscape. So if you just "print to PDF," the photo either overflows the page, sits tiny in a corner, or gets stretched.

The fix is to place the image onto an A4 canvas: scale it to fit the page, keep its proportions, and add a small margin so nothing is cut off at the edge when printed. That's exactly what the JPG to A4 size PDF tool does automatically.

Free tool

Just need the A4 PDF?

Drop your JPGs, the tool fits them to A4, and you download a clean PDF — no accounts, no uploads.

Make an A4 PDF →

Step by step: JPG to A4 PDF

Open JPG to A4 size PDF — it opens with the page size already set to A4.
Drop in one JPG, or several if you're building a multi-page document.
Choose orientation — portrait for documents, landscape for wide photos.
Set a margin so nothing is trimmed at the edge, and reorder pages by dragging if needed.
Generate, check the live preview, and download the A4 PDF.

Merge several JPGs into one A4 PDF

Scanning a multi-page form with your phone? Add every photo at once — each JPG becomes its own A4 page, in the order you arrange them. This is the fastest way to turn a stack of snapshots into a single, tidy document.

Drag thumbnails to set the page order before you export.
Keep orientation consistent so the printed pages line up.
One clear photo per page reads better than two squeezed together.

Keep it print-ready and under a size limit

Shoot straight and well-lit. A flat, evenly lit photo prints far cleaner than an angled, shadowy one.
Leave a margin. Home and office printers can't print edge-to-edge, so a small margin avoids clipped content.
Need it under a KB cap too? Many portals want A4 and a size limit — set a target with the JPG to PDF converter, or see the JPG to PDF size guide.
iPhone HEIC photos? Convert them with HEIC to JPG first, then build the A4 PDF.

Frequently asked

How do I set a JPG to A4 PDF size?

Use a converter that lets you choose the page size. The JPG to A4 size PDF tool opens with A4 selected, scales your photo to fit the page, and exports a standard 210×297 mm PDF.

Can I change the orientation?

Yes. Pick portrait for documents and forms, or landscape for wide photos. The image is re-fitted to whichever orientation you choose.

Can I add multiple JPGs to one A4 PDF?

Yes — add as many JPGs as you like. Each becomes its own A4 page in the order you arrange them, so you can merge a whole form or set of photos into a single PDF.