Image to A4 Size PDF
Put any picture on a true A4 page, 210 × 297 mm, so it prints at the size the recipient expects. Choose whether the whole image fits inside the sheet or fills it edge to edge.
Image to PDF
or drop JPG, JPEG, JFIF … files here ·
Max 95 MB per file· Up to 50 files· Deleted after 30 minutes
Files are processed on our servers and deleted after 30 minutes.
White space around each image: small is 5 mm, medium 10 mm, large 20 mm. Ignored when page size is the same as the image.
Fit shows the whole image with white space if the shapes differ; fill covers the page and crops the edges; actual size places it at its print size from DPI.
Put 2 or 4 images on each page in a grid, for ID cards front and back or contact sheets.
Custom page width in millimetres (A4 is 210 mm).
Custom page height in millimetres (A4 is 297 mm).
One PDF with a page per image, or a separate PDF for every image downloaded as a ZIP.
The order you added the files (drag to rearrange), alphabetical by file name, or by the date the photo was taken.
JPEG quality of photos inside the PDF. 85 keeps them sharp; with a target size this is the starting point.
How to use this tool
- 1
Upload the image
JPG, PNG, HEIC, WebP, TIFF and other common types work, up to 50 files. Each image gets its own A4 page.
- 2
Pick fit or fill and the margin
Page size is A4, portrait, with Image on page on Fit and a 10 mm medium Margin. Switch Orientation to Landscape for wide images, or Auto to let each page follow its image.
- 3
Convert and print
Press Convert to PDF. In the print dialog, choose Actual size or 100% so the printer does not shrink the A4 page.
How do I convert an image to A4 size?
Upload the image, keep Page size on A4 and press Convert to PDF. The picture is scaled to fit a 210 × 297 mm page with a 10 mm margin and keeps its proportions.
Image to A4 size PDF: what A4 really means
A4 comes from ISO 216, which took over the German DIN 476 paper series introduced in 1922. Its sides are in the ratio 1 : √2, about 1 : 1.414, so a sheet cut in half keeps the same shape: two A5 sheets make an A4, two A4s make an A3. A0 has an area of exactly one square meter, and A4 is one sixteenth of it, 210 × 297 mm.
An image file has no paper size, only pixels and sometimes a DPI tag that most apps ignore. Placing it on an A4 page in a PDF fixes the physical size once, so it prints the same in an office in Berlin or a school in Delhi. Getting there involves three decisions: how much of the page the image covers, how wide the margin is, and which way up the page sits. To choose the crop yourself before using Fill, cut the image to 1 : 1.414 with crop image; how to crop an image to a ratio walks through it.
A4 size in mm, inches and pixels
| mm | Pixels at | ||
|---|---|---|---|
| 72 DPI | 150 DPI | 300 DPI | |
| 210 | 595 | 1240 | 2480 |
| 297 | 842 | 1754 | 3508 |
| 190 | 539 | 1122 | 2244 |
| 277 | 785 | 1636 | 3272 |
Fit, fill or actual size on an A4 page
Fit
The whole image, as large as the margins allow.
- Nothing is cropped
- White space where proportions differ
Fill page
Covers the area inside the margins completely.
- No empty bands
- Edges that stick out are trimmed
Actual size
Placed at its print size from the image DPI.
- Never enlarged beyond its detail
- Small images sit centered
Margins and portrait or landscape A4
210 × 297 mm
A4 portrait
190 × 277 mm inside a 10 mm margin
297 × 210 mm
A4 landscape
For wide photos, charts and screenshots
216 × 279 mm
US Letter
8.5 × 11 in, standard in the US and Canada
148 × 210 mm
A5
Half of A4, for booklets and flyers
ANY I
Any image
This tool accepts common image formats, including JPG, PNG, WebP, HEIC, GIF, BMP and TIFF. The format is detected automatically from the file, so you do not need to know what kind of image you have.
Portable Document Format
PDF was created by Adobe in 1993 and became the open ISO 32000 standard in 2008. It fixes text, fonts, images and layout so a document looks the same on every screen and printer. PDFs can contain forms, signatures, links, attachments and searchable text, and the PDF/A variant is used for long-term archiving. The fixed layout makes PDFs hard to edit, and scanned PDFs contain only images unless OCR is applied. Every browser and operating system can open them.
- Compression
- –
- Transparency
- Yes
- Animation
- No
- Introduced
- 1993 · Adobe
Images are converted to an A4 PDF when a print shop, school or office expects a standard sheet, because a bare image has no paper size and prints at whatever scale the printer driver chooses.
Image to A4 PDF: questions
What is A4 size in pixels for a PDF?
A PDF page has no pixels, only physical dimensions: A4 is 595 × 842 points, a point being 1/72 inch. The pixels belong to the image on it. For sharp print, the image should be about 2480 × 3508 px, which is 300 DPI across the full page; 1240 × 1754 px gives 150 DPI, fine for documents.
Why is there a white band above and below my photo?
Phone photos are 3:4, slightly wider in proportion than A4's 1:1.41. With Fit, a portrait photo filling the 210 mm width is only 280 mm tall, leaving about 17 mm of the 297 mm page empty. Choose Fill page to remove the band at the cost of trimming the sides.
Will my A4 PDF print correctly on US Letter paper?
Letter is 6 mm wider and 18 mm shorter than A4, so the printer either scales the page down by about 6% or clips the bottom edge. For a recipient in North America, set Page size to Letter instead.
Can I make a low-resolution image fill A4 sharply?
No converter can add detail that was never captured. A 600 × 800 px image stretched across A4 prints at roughly 72 DPI and looks soft. Choose Actual size under Image on page to place it at its real print size, smaller but crisp, centered on the sheet.
How do I convert an existing PDF to A4 size?
This page builds A4 pages from images. If you have a PDF with Letter, legal or odd-sized pages, resize PDF to A4 rescales those pages without turning them into pictures.
Which margin should I choose for printing?
Most home and office printers cannot print the outer few millimeters of a sheet. Small (5 mm) is the minimum that avoids clipping on most of them; Medium (10 mm) also leaves room for a hole punch or staples. Use None only when the PDF stays on screen.
- Resize PDF to A4Resize a Letter or Legal PDF to A4 (210 × 297 mm) so it prints right outside North America. Scale to fit, fill or keep size, with a 5 mm print margin.
- PDF to A4 Size ConverterMake every page of a PDF exactly A4: phone scans, receipts and downloaded forms of different sizes become one uniform 210 × 297 mm document for upload.
- JPG to PDF ConverterFree JPG to PDF converter: combine multiple JPG images into one PDF on Letter or A4 pages, in the order you choose. 50 files per PDF, no watermark.
- Photo to PDF ConverterTurn photos into a PDF album: two photos per A4 page, sorted by date taken, with margins for printing. Up to 50 photos from iPhone, Android or camera.
- Image to PDF Under 200 KBConvert an image to a PDF under 200 KB for scholarship, admission and recruitment forms. The 200 KB target is preset; works on phones and computers.