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PDF to JPG

Turn every page of a PDF into its own JPG image, rendered in your browser with PDF.js.

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Quick answer

PDF to JPG turns each page of a PDF into its own JPG image inside your browser. It uses PDF.js, the open-source engine Mozilla builds into Firefox, to redraw each page onto a canvas at 1.5× scale (about 108 pixels per inch), then saves it as a JPEG at 90% quality. The file stays on your device, and you download the pages one at a time.

  • 1.5×render scale
  • ~108 PPI72 × 1.5
  • 90%JPEG quality
  • 0files uploaded

What the PDF to JPG does

Sometimes you need a picture of a page rather than the document: to drop into a slide, to post in a chat that won't preview a PDF, or to attach somewhere that only takes images. Give this tool a PDF and it returns one JPG per page.

Each page is rasterized, which means flattened into a grid of pixels, so the text and graphics stop being live objects. You can't select or edit the text afterward. Often that is what you want, because nobody can quietly change a JPG snapshot.

How it works

When you pick a file, the browser reads it into memory and passes it to PDF.js, Mozilla's open-source PDF engine. PDF.js has shipped inside Firefox since 2012 and is heavily tested. It interprets the page's text, fonts and vector paths and paints them.

PDF.js draws every page onto an HTML5 canvas, the browser's pixel surface, and the tool reads the canvas back out as a JPEG. All of this is JavaScript running on your machine, so the PDF is never uploaded and you don't need a plugin or a separate app.

Processing pipeline

  1. Step 1. Read the chosen PDF into memory as raw bytes on your device.
  2. Step 2. Hand the bytes to PDF.js and open the document.
  3. Step 3. For each page, build a viewport at 1.5× scale and render the page onto a canvas.
  4. Step 4. Export the canvas as a JPEG at 90% quality.
  5. Step 5. List every page with its own "Download page N" button so you can grab only the pages you need.

One page in, one JPG out

PDF pagePDF.js draws itat 1.5×JPEG, 90%Download page N
Every page goes through the same four steps, on your device.

Privacy

The tool reads your PDF straight from your device, renders it locally and builds the images inside the page. No copy goes to NineClip or anyone else.

The tool keeps no history and stores nothing on a server. Close or refresh the tab and the browser drops both the file and the images from memory, so you can convert contracts, statements or ID scans without them sitting on someone else's server.

Technical details

EnginePDF.js (Mozilla) + HTML5 canvas
OutputJPG (JPEG), one file per page
Render scale1.5× → ~108 PPI (72 PPI × 1.5)
JPEG quality90%
TransparencyNone: JPEG has no alpha, so backgrounds render white
UploadNone. The PDF is rendered in your browser
LimitYour device's memory, on very large PDFs

Standards and references

  • ISO 32000 (PDF): the PDF specification. It measures a page in points, and one point is 1/72 of an inch. The resolution maths below starts from that.
  • ISO/IEC 10918-1 (JPEG): the JPEG standard from 1992. It compresses with the discrete cosine transform in 8×8 blocks, which is lossy, and it has no transparency channel.
  • PDF.js: Mozilla's open-source PDF renderer, built on the HTML5 Canvas API and bundled in Firefox since 2012.

Accuracy and limits

The result is a flat image, so you trade editability for a fixed copy of the page. Text becomes pixels that you can't select, search or copy. To get the words back, run the PDF through a PDF-to-text or OCR tool.

Resolution is fixed at 1.5× the page's native size, about 108 pixels per inch (a PDF point is 1/72 inch, so 72 × 1.5 = 108). That looks crisp on screen and on the web. For print, where 300 DPI is the usual target, it can come out soft, so this tool is not meant for high-quality printing.

JPEG is lossy: it discards the detail your eye is least likely to miss, which can leave faint halos around sharp text and thin lines. JPEG also carries no transparency, so a transparent or coloured page background ends up solid white. If you need clean edges or transparency, convert to PNG.

The browser renders the PDF in memory, page by page, so a very long or heavy file can be slow on a phone or an older laptop, or run out of memory. Splitting a large file first usually helps.

Sharp on screen, soft in print

0100200300PDF points72 per inchThis tool108 PPITypical print300 DPI
108 PPI looks crisp in slides and chats. A print-quality copy needs close to three times that.

Real-world uses

Slides and docs

Place a single page into a deck or a web page as an image, without linking or embedding the whole PDF.

Chat and social

Post a page somewhere that previews images inline but treats a PDF as a dead attachment.

Image-only upload fields

Get past forms that accept JPG or PNG but reject PDFs outright.

A locked-down snapshot

Share a page as a picture when you don't want the recipient copying or altering its text.

When it fits, and when it doesn't

Good for

  • Sharing a page as an image
  • Slides and presentations
  • Web publishing and blog posts
  • Screenshots and quick previews

Not the best choice for

  • When the text must stay searchable or selectable
  • When the content needs to remain editable
  • When you need print-quality (300 DPI) output
  • When transparency must be preserved

For those jobs, use PDF to PNG (lossless, keeps transparency), PDF to Text, or an OCR tool to recover the words.

Frequently asked questions

Does my PDF get uploaded anywhere?
No. PDF.js reads and renders it in your browser, nothing goes to a server, and refreshing the page clears it from memory.
What resolution are the images?
Each page renders at 1.5× its native size. A PDF point is 1/72 inch, so that comes to about 108 pixels per inch, which is sharp on screens and the web. For 300-DPI print quality you need a higher-resolution export.
Can I still select the text in the JPG?
No. JPG is a pixel format, so once a page is rasterized the text becomes part of the picture. If you need the words back, use a PDF-to-text or OCR tool instead.
Does it work on scanned PDFs?
Yes. A scanned PDF is already a set of page images, so it converts fine. The text won't be selectable in the JPGs because it wasn't selectable in the scan either. Recovering it needs OCR.
Can it convert password-protected PDFs?
Not directly. PDF.js detects an encrypted PDF and needs the password before it can render anything, and this tool doesn't ask for one. Remove the protection first, for example with an unlock-PDF tool, then convert the unlocked file.
How do I get higher-resolution images?
The render scale is fixed at 1.5× (about 108 PPI), which suits screens. For print or large displays you need more resolution than this tool produces, so use a higher-DPI export or a dedicated PDF-to-image tool.
Why JPG rather than PNG?
JPG keeps pages with photos or scans small. The trade-off is that JPEG (the ISO/IEC 10918 standard) is lossy and has no transparency, so fine edges can soften slightly and backgrounds come out white. If that matters, use PDF to PNG.
Will converting reduce the quality?
A little. The tool saves pages as JPEG at 90% quality. They look clean, but JPEG is lossy, so sharp text and thin lines can pick up faint artefacts. For a lossless copy, convert to PNG.
Do I get one image per page or a single combined image?
One JPG per page, each with its own download button, so you can take just the pages you need.
Is there a page or file-size limit?
There is no fixed cap, but everything runs in your browser's memory, one page at a time. Very long or very large PDFs may be slow on phones or older machines, and splitting the file first helps.

References

The 1.5x scale and 90% JPEG quality on this page are the values the tool passes to PDF.js. The 108 PPI figure follows from them: 72 points per inch × 1.5.

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