Capypix中文

PDF to Image

Save every page of a PDF as a picture — JPG for small files, PNG for perfect sharpness. Free, and nothing is uploaded.

🔒 Your PDFs are converted on your own device. They are never uploaded to any server.

How to convert a PDF to images

  1. Drop one or more PDFs into the box above, or tap Choose PDF files.
  2. Choose JPG or PNG and a resolution.
  3. Preview any page, download it, or Download all as a ZIP.

Common uses

Sharing a page of a contract or invoice in a chat, posting slides on social media, adding a document to a photo album, or uploading certificates to a site that only accepts images. For pages of small text or fine lines, pick PNG; the PDF to PNG page explains when the larger files are worth it.

Choosing a resolution

PDF pages are measured in points, 72 to an inch. The three settings render each page at 144, 216 or 300 dots per inch. Here is what that means for the two most common paper sizes:

SettingA4 page (pixels)US Letter (pixels)Good for
Standard (144 dpi)1190 × 16831224 × 1584Viewing on phones and laptops, chats, email, social posts
High (216 dpi)1785 × 25251836 × 2376Small print, zooming in, large monitors, slides on a projector
Print (300 dpi)2482 × 35102552 × 3302Printing at full size, OCR, archiving

Changing the format or resolution after adding files re-renders the pages automatically, so you can compare file sizes before downloading.

To protect memory on phones, no side of an image goes above 6000 pixels. That only affects very large pages, such as A2 posters or engineering drawings at print resolution, which are scaled down to fit.

JPG or PNG?

JPGPNG
CompressionLossy, quality 92Lossless
File sizeSmallLarger, especially for photos
Best forScans, photos, brochures, sharingText, charts, slides, editing, OCR
BackgroundWhiteWhite (not transparent)

If you are unsure, start with JPG — it is accepted everywhere. The dedicated pages for PDF to JPG and PDF to PNG go into more detail on each.

Converting several PDFs at once

You can drop in more than one PDF. Each file is read, its pages are listed, and they are rendered one at a time so the browser does not run out of memory with long documents.

Images are named after their PDF with a two-digit page number — report-01.jpg, report-02.jpg, slides-01.jpg — so pages from different files stay apart and in order inside the ZIP.

On a phone

The converter works in Safari on iPhone and in Chrome on Android. Choose the PDF from the Files app, Google Drive or your downloads. Pages are rendered one by one on the phone itself, so a long document takes a little longer than on a computer, and keeping the screen on until the list shows “Done” avoids the browser pausing the work.

On iPhone, single images can be saved with a long press on the preview, while the ZIP from “Download all” lands in the Files app, where tapping it unpacks the images into a folder.

What leaves your device

Nothing from your PDF. The first time you add a PDF, the page also loads the PDF.js engine (about 2 MB) from this site; after that, reading the file, drawing the pages and building the images all happen in your browser. That makes the tool a reasonable choice for bank statements, payslips or medical letters you would not want to upload anywhere.

Fonts and special content

The pages are drawn by PDF.js, the same engine Firefox uses to show PDFs. It ships with the standard PDF fonts and character maps for Chinese, Japanese and Korean, and decodes JPEG 2000 and JBIG2 images that are common in scanned archives and older office scans. So a PDF that displays correctly in Firefox will almost always convert correctly here.

Frequently asked questions

What image formats can I get?

JPG (smaller files, good for sharing) or PNG (lossless, best for text and diagrams).

Can I convert several PDFs at once?

Yes. Add multiple PDFs; every page of each one becomes an image.

Are my PDFs uploaded?

No. Pages are rendered in your browser on your own device.

How many pages can I convert?

There is no fixed page limit. Pages are processed one after another; a long document simply takes longer, and the ZIP download includes all finished pages.

Why is a page different from what I see in my PDF reader?

Occasionally a PDF uses a font that is not embedded in the file, and different readers substitute different fonts. Re-exporting the PDF with fonts embedded fixes it.

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