100% local: total privacy
Convert a PDF to JPG. Page by page.
Turn every page of your PDF into a JPG image right in your browser, for free and without an account, for maximum privacy. Your documents never leave your computer: no server, no upload.
Why use CocoonPDF
One image per page
Every PDF page becomes its own JPG file, ready to share, insert into a document, or publish online.
Adjustable quality
Three ready-made levels (Light, Balanced, Strong) to balance file size and image sharpness for your use case.
Simple to use
No account to create, no software to learn: drop your PDF, pick a quality, download your images.
Works on all your devices
CocoonPDF runs entirely in your browser: Windows, macOS, Linux, iPhone, or Android, no version to install for your system.
No install, no server
Unlike typical "online" tools, your files are never sent to a server to be converted: all the processing happens directly on your device.
Privacy by design
Since nothing ever leaves your device, there's nothing to store or delete afterward on a remote server: your documents stay with you alone, from the first byte to the last.
How to convert a PDF to JPG without loss: the complete guide
Converting a PDF to JPG means turning each page into an image, so you can share it, drop it into a document, or post it somewhere PDFs aren't well supported. Here's how the conversion works, and how to get the best result.
How a PDF page becomes an image
CocoonPDF renders each page onto a virtual drawing surface (a canvas) at a resolution you choose, then saves that render as a JPEG. It's not a simple screenshot: the target resolution directly determines how sharp the result is, much like scanning a physical page.
Which quality to pick for your use case
"Light" (96 DPI) is enough for a quick share on social media or messaging, where the image will be displayed small anyway. "Balanced" (150 DPI) suits most uses, including dropping the image into a document. "Strong" (220 DPI) gives the sharpest result, useful if the image needs to be printed or zoomed into. The higher the resolution, the heavier the resulting JPG.
Why every page becomes a separate file
An image can only hold one page at a time: a ten-page PDF therefore produces ten JPG files, each numbered by its position in the original document. The "Download all" button grabs them all at once, one after another.
Use case: sharing a single page easily
Plenty of messaging apps and social platforms handle PDFs poorly, or force you to open them in a separate app. Converting just the page you need (a diagram, a table, a certificate) to JPG lets you share it like any other photo, with no PDF reader required on the other end.
Scanned text vs. vector text: what changes on conversion
Once converted to JPG, a page becomes nothing more than a grid of pixels: any text it held, even if it was sharp and selectable in the original PDF, turns into an image just like everything else. It can no longer be selected, copied, or searched. If you need to keep usable text, keep the file as a PDF instead of converting it.
Frequently asked questions
Are my PDF files sent to a server?
No. The whole conversion happens in your browser: no file is ever sent to or stored on a server. You can verify this yourself: open your developer tools (F12), Network tab, before converting.
Is CocoonPDF really free?
Yes, no account, no limit on the number of pages, and no watermark on the images produced. The site is simply funded by an ad banner shown on the page.
How good is the quality of the images?
It depends on the level you pick. "Light" (96 DPI) gives lightweight images for the web; "Balanced" (150 DPI) suits most uses; "Strong" (220 DPI) gives the sharpest result, useful before printing.
What is the maximum file size accepted?
100 MB per file. Since processing happens entirely in your browser, real-world speed also depends on your device's available memory and the number of pages to convert.
Does a multi-page PDF produce several images?
Yes. Each page becomes its own JPG image, numbered in document order. You can download them all in one click once the conversion is done.
Does this work on mobile?
Yes, right in your browser (Chrome, Safari...), no app to install.