Turn each PDF to JPG page into its own JPEG
PDF to JPG is a render, not a copy of the page. Each selected page is drawn with pdf.js at the DPI you pick, then saved as a JPEG. The words become pixels. You can still read them in the picture, and you cannot select them inside the JPEG.
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How to convert a PDF to JPG
- Add one PDF. An encrypted file asks for the password you already know.
- Set Pages if you do not want every page. The syntax is 1-3, 5, 8- with commas between entries. Leave it blank for the whole document. 8- means from page 8 through the last page.
- Choose DPI: 72, 96, 150, 200, or 300. 150 is the default. Higher DPI makes a larger image and uses more memory.
- Set JPEG quality from 40 to 100. The default is 85. The background defaults to white, #ffffff, because a JPEG has no transparent pixels.
- Press Convert to JPG. You get one JPEG per page. Several files each have a Download link, and Download all packs them in a ZIP.
PDF to JPG options explained
DPI is the render scale. The page is drawn at DPI divided by 72, so 72 DPI is about the PDF point size and 300 DPI is a large print-style bitmap. A job that would render more than about 400 megapixels is refused. Lower the DPI or shorten the page range.
JPEG quality runs from 40 to 100 and is the encoder quality, not a PDF preset. 85 is a reasonable default. Lower numbers make smaller files and show more blockiness, especially on text.
Background is a colour painted under the page before the PDF is drawn. It defaults to white. Leave it white unless the page has transparent areas you want filled with another colour. JPEG cannot store a clear background.
What the JPEG contains
The JPEG is a picture of the page as pdf.js paints it, including text, vectors, and images, flattened together. Annotations that the renderer draws are in the picture. The PDF structure is not in the JPEG. There is no text layer to copy from the image file.
A page range of 1-3, 5, 8- skips the pages you did not name. The file names follow the page numbers, so a gap in the range is a gap in the set, not a renumbering of the images into 1, 2, 3.
This is not Extract images from PDF. That tool saves images a page actually paints, skips duplicates, and does not draw the rest of the page. Use PDF to JPG when you want the whole page as a picture.
Limits you should expect
Scanned pages render like any other page: you get a JPEG of the scan. The tool does not read words off that scan. If you need the text layer from a born-digital PDF, use PDF to text. If the file has no text layer, that tool returns an empty-text error.
Very large pages at 300 DPI can exhaust the tab even under the 400 megapixel cap. A soft warning appears around 200 MB for the PDF itself. The hard stop for files in memory is 500 MB. If a render fails, drop to 150 or 96 DPI and fewer pages.
Limits, formats and output
| Accepted input | |
|---|---|
| Files per batch | 1 |
| Soft size warning | 200 MB or 1,000 pages |
| Hard stop | 500 MB total in memory |
| Output | PDF, or a ZIP when there is more than one file |
| Account | None. The tool runs in this tab. |
Your file never leaves your device
Your PDF is rendered to JPEG by a script running in this tab. The work runs in a Web Worker in this tab, using WebAssembly for the heavy parts, and the result comes back as a local blob. This site does not upload the file, store it, or log its name.
To verify: load the page, turn on airplane mode, and drop the file again. It still finishes. Or open DevTools, choose Network, and watch the run: there is no upload. The architecture is described on How it works.
Frequently asked questions
Which DPI should I use?
72 or 96 is enough for a screen preview. 150 is the default and is a fair balance for reading text in the picture. 200 and 300 are for when the JPEG will be printed or cropped later. They make much larger files and are the runs most likely to run out of memory.
Why is the background white?
JPEG has no alpha channel. The page paints white first, then draws the PDF, so empty areas do not turn black. You can change the Background field if you want a different fill. For a clear background, use PDF to PNG and turn on transparency.
Can I convert one page only?
Yes. Type that page number in Pages, such as 4. A range such as 2-6 converts those pages and skips the rest. A trailing 8- runs from page 8 to the end. A page number past the end of the file is an error, and the message tells you how many pages the PDF has.
Do I get one file or many?
One JPEG per rendered page. A single page is a single download. Several pages are several JPEGs, plus Download all as a ZIP. The ZIP is only a packing of those images. It is not a PDF.
Will the text stay selectable?
Not in the JPEG. Selection lives in the PDF text layer, and this tool draws pixels. Keep the PDF if you still need to copy a sentence. Compress PDF on Balanced or Strong keeps that text layer. Extreme compress, like this render, does not.
Does this work on a phone?
Yes. Choose files opens the system picker. A long document at 300 DPI is the case that fails, because the bitmaps are large. Use 150 DPI and a short page range if the tab reports that it ran out of memory.
Last updated 2026-09-26. By Tam.