JPG to PDF in A4 Size Without Cropping (2026)

JPG to PDF in A4 Size Without Cropping (2026)

A4 is the sheet most offices, universities, and visa desks expect. Phone photos are not A4. A 4000×3000 landscape shot on a portrait A4 page leaves a letterbox; a naive “fill the page” crop cuts faces. FlashKit Tools’ JPG to PDF converter puts each image on an A4 page, scaled uniformly to fit the margin, centered, and never cropped. The work stays in this tab. The photos are not uploaded.

This page is the A4 how-to. If the goal is a whole file under 200 KB or 500 KB, use JPG to PDF under 200 KB / 500 KB. If the pile is iPhone HEIC plus Android JPG, see combine phone photos including HEIC.

Make an A4 PDF from photos

Auto orientation, no crop, optional 100–500 KB target. Files stay in this tab.

Open JPG to PDF

What “A4 without cropping” actually means

PDF pages are measured in points (1/72 inch). An A4 page is 595.28 × 841.89 points (210 × 297 mm). The tool subtracts your margin on each side, then computes one scale factor: min(innerWidth / imageWidth, innerHeight / imageHeight). The image is drawn at that size, centered. Nothing is stretched and nothing is clipped. Empty paper around a 16:9 photo on a 1:√2 sheet is expected.

Margins are 0, 18, 36, or 54 points (none / 0.25″ / 0.5″ / 0.75″). Zero is fine for a full-bleed screenshot you will never print. Use 0.5″ when someone will print and staple. Very large “fit to image” pages — a different mode — are capped at 14,400 points so viewers do not reject the file.

Auto orientation vs force portrait

A landscape photo on a portrait A4 page is legal and ugly: two fat white bands. Set Auto (per image). After EXIF is applied, a photo wider than it is tall gets a landscape A4 page (841.89 × 595.28 points). A portrait photo stays on a tall page. You can still force portrait or landscape for every page if a form insists on one orientation.

Phone cameras often store pixels rotated and set EXIF orientation 6 or 8. pdf-lib embeds JPEG bytes as stored. This tool bakes that tag so the page is upright. It does not “fix” a photo you held at 15° — that is still a crooked scan.

Step-by-step

  1. Open JPG to PDF and add one or more JPG, PNG, WebP, or HEIC files.
  2. Drag the thumbnail grid or use Move left / Move right so page 1 is the first tile. Remove extras.
  3. Choose A4, Auto, and a margin. Skip Fit to image unless you want the page sized to the photo.
  4. Create the PDF. Open it and check the first landscape shot sits on a landscape sheet with no cropped edge.

What we measured in the lab

On 4 November 2026 we converted six real files in headless Chrome against vite preview: a 900×1200 portrait JPG, a 1600×900 landscape JPG, a 1200×800 JPG tagged EXIF orientation 6, a 640×640 PNG, an 800×500 WebP, and a 640×480 CC0 HEIC. After moving the landscape tile left, the PDF had six pages:

  • Page 1 (landscape photo): 841.89 × 595.28 pt — landscape A4
  • Page 2 (portrait): 595.28 × 841.89 pt
  • Page 3 (EXIF 6): 595.28 × 841.89 pt — upright, not sideways
  • Page 4 (square PNG): 595.28 × 841.89 pt
  • Page 5 (WebP): 841.89 × 595.28 pt
  • Page 6 (HEIC): 841.89 × 595.28 pt

The file was 78,527 bytes. Create PDF took 200 ms after the files were already in the grid. Adding the HEIC (decoder load + decode) took about 4.0 s the first time. Nothing was cropped; empty paper is the letterbox of a 16:9 photo on a 1:√2 sheet.

When not to use A4

  • A long scrolling screenshot: use Fit to image so the page follows the pixels.
  • A US letter form: choose Letter (612 × 792 points) instead of A4.
  • A portal that wants one small file: switch to Target Size (100–500 KB or 1 MB) after the layout is right. That is a different job than paper size — see under 200 KB / 500 KB.
  • PDF to JPG if you need pictures back out at 72 / 150 / 300 DPI.
  • Merge PDF if some pages are already PDFs and some are photos.
  • PDF compressor if the A4 packet is still too heavy after embed.

Related Tools