Convert a PDF to PNG images directly in your browser. PNG throws nothing away, so the pixels you download are the pixels the renderer drew - no grey halos around letters, no colored fringing on small type, no shimmer along a hairline rule. That exactness costs you file size on photographic pages and pays you back on everything made of text and flat color. Set the resolution anywhere from 72 to 600 dpi, convert a page range instead of the whole document, and take the result as one ZIP or as separate files. Nothing is uploaded.
Your files are read by JavaScript running on your own machine. There is no upload, no queue, and no copy on our server to delete later.
Drag a card to reorder it, or use the arrows under each card. The order here is the order in the output. Each card is a preview of the finished page, so what you see is what the PDF will contain.
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Starting
This is your processor doing the work, so the time it takes depends on your machine and not on how many other people are on the site.
The converter above is ready. The engineering guide below explains when a lossless page render is the right call and when it is an expensive habit. You will find out what lossless compression actually buys you on a page of type, why a PNG invoice is frequently smaller than a JPEG of the identical page, why a scanned document flips that result completely, and how to pick a resolution that matches where the image is going rather than inflating it for no reason.
Two minutes, nothing to install, no account for your first run. This free PDF to PNG converter renders every page inside the tab you are reading, so the work stays on your own hardware and so does the document.
Click the drop area above or drag your file anywhere onto this page. The document is parsed the moment it lands and the card shows page one with the page count, so you can confirm you have the right file before spending an operation.
A PDF page carries no pixel dimensions of its own, so the density is your decision. 150 dpi suits screen reading and most office work. Use 300 dpi when the image will be printed or examined closely, and stay at 72 dpi for quick previews where file size is the constraint that matters.
Leave the Pages field empty to convert the whole document. Otherwise type a range the way you would in a print dialog: 1-5, or 4,8,12-14. Lossless files run heavy, so pulling the three pages you need out of a three hundred page manual saves real processing time and real memory.
Click Convert to PNG. When the download finishes, open one image and zoom to 100 percent on a paragraph of body text. The edges will be cleanly anti-aliased against the white background with no speckle and no haloing, which is the whole point of a lossless format.
One conversion run counts as one operation, whatever number of pages it produced. An anonymous visitor gets one operation per 12 hours, a free CartHacker account gets two, and a batch carries 20 files or 100 MB either way. CartHacker Premium removes the operation counter and lifts the batch ceiling to 100 files or 500 MB, which is the number that matters when a set of PDF blueprints has to come out as lossless page images every morning.
JPEG was designed in the 1980s for continuous-tone photography. It converts blocks of pixels into frequency data and discards the high-frequency components, on the assumption that human eyes skip fine detail inside a busy photograph. Every other decision in the format follows from that one.
A page of type breaks the assumption outright. Text is almost entirely high-frequency detail: a hard binary step from white paper to black ink, repeated thousands of times across the sheet. Pushing a text-heavy PDF through a lossy codec smears exactly the edges that make it readable, and the damage shows up in two specific ways.
PNG avoids both because it discards nothing at all. A reversible prediction filter runs over the rows, Deflate compresses the result, and decoding rebuilds the original pixel values exactly. A hairline rule stays one pixel wide. A letter edge stays clean anti-aliased grey. A flat background stays one solid color instead of turning subtly blotchy across the sheet.
The test that settles the argument. Convert the same page to JPG at quality 75 and to PNG, then zoom both to 400 percent on a line of body text. The JPEG shows colored speckle and grey haloing. The PNG shows what the renderer drew. On a document somebody has to read closely, that gap is the entire case for lossless.
Everybody knows lossless means bigger files. On rendered PDF pages that is frequently wrong, and understanding why tells you which format to reach for without guessing.
Deflate, the compressor inside PNG, feeds on repetition. A rendered page of text is overwhelmingly one color: long uninterrupted runs of white with short bursts of dark. That makes a document page close to ideal input for a dictionary compressor, and the file size collapses accordingly.
JPEG has no way to exploit that. It processes the page in fixed blocks whatever is inside them, and a block of pure white still costs it real bits. On the blocks that do hold text it has to spend heavily to approximate the sharp edges it handles badly. The result on a standard invoice or contract is that a quality 90 JPEG is often larger than the lossless PNG of the same page, and visibly worse than it too.
| Page content | PNG behavior | Better choice |
|---|---|---|
| Body text, invoices, contracts | Compresses extremely well, often beats JPEG | PNG |
| Diagrams, charts, line drawings | Flat color collapses to almost nothing | PNG |
| Screenshots and UI captures | Large flat regions are ideal input | PNG |
| Scanned pages with paper texture | Texture defeats the compressor, files grow | JPG at quality 85 |
| Full page photographs | Three to five times heavier than a JPEG | JPG, or WebP for the web |
PNG rewards flat color and punishes noise. The scanned document is the case people get wrong most often, because it looks like text while behaving like a photograph: a hardware scan lays paper grain and sensor noise across the whole sheet. A lossless compressor cannot collapse random noise, so the PNG balloons. For scans of physical paper, JPEG is usually the sensible answer.
PNG supports an alpha channel, so a fair question is why these exported pages are opaque in the areas where the document is blank.
The answer is that a PDF page has no background object in it. The content stream describes marks: text strings, vector lines, geometric fills, embedded images. The paper underneath is an assumption every viewer makes, not something written in the file. Render a page without laying down a background first and you get a transparent canvas holding a few dark marks, which is useless almost everywhere it lands.
It also fails in one specific and unpleasant way. A page with white text on a dark vector rectangle renders as white marks on nothing at all, and dropped onto a white website that image looks completely blank. Every page is therefore filled with solid white before rendering begins, so the export matches what the original author saw.
If you need a graphic with genuine transparency, a page render is the wrong operation. You want an extraction tool that pulls the specific vector object or embedded image out of the document structure with the alpha channel the designer authored still attached.
What ties those together is that something downstream is going to look at the data closely. When a human glances at a thumbnail, JPEG is fine and smaller. When a person or a machine inspects the actual pixels, lossless earns the disk space it costs.
Feeding OCR? Use this rather than PDF to JPG. Recognition accuracy on lossy input drops hardest in the places that matter: small type, thin strokes and dense data tables. Handing the engine a lossless PNG is the cheapest accuracy improvement available anywhere in an extraction pipeline.
Most free converters upload your document, render it on a server, and publish a privacy policy describing what they promise not to do with it. A policy is a promise, and a promise is worth whatever the operator, their underpaid staff, their backup retention schedule and their eventual corporate acquirer decide it is worth.
There is no upload step here. The JavaScript on this page reads your PDF through the browser File API, renders each page on your own processor, and returns the images through temporary object URLs that exist only in this tab. No server-side component sees the document, so no copy of your financial records exists anywhere to be breached, retained past a stated window, or found in an unsecured bucket in three years.
That is a verifiable engineering fact rather than a marketing line. Load the page, disconnect the machine from the internet, and run the conversion anyway. It works, because there is nothing left for the tool to talk to.
Thirty seconds to prove it. Open this page, turn off your Wi-Fi, drop in a PDF and click convert. A cloud tool throws a network error at that point. This one hands you the finished PNG images.
The only thing that reaches our server is the operation counter enforcing the free tier. It records that a conversion happened and when. It never receives your document, its file name, its page count, or anything derived from what is inside it.
Yes. PNG runs a reversible prediction filter over the rows and then Deflate compression, and decoding rebuilds the original values exactly, so the image you download matches what the rendering engine produced from the PDF instructions bit for bit. The only loss anywhere in the chain is the one you command: flattening a resolution-independent page description onto a fixed pixel grid at the dpi you picked.
Use PNG for text, charts, diagrams and UI screenshots, where it keeps edges sharp and prevents color bleeding around small letters. Use JPG for full page photographs and for scans of physical paper, where sensor noise and paper grain defeat lossless compression and leave you with a PNG three to five times heavier than it needs to be.
This tool runs entirely in your browser. Your file is read through the browser File API and every page is rendered by your own processor, so nothing is uploaded to a remote server at any stage. Disconnect from the internet before you press convert and the images still come out, which is the only privacy proof that does not rely on trusting a policy document.
Because you are comparing two different kinds of thing. A PDF is a compact list of coordinate instructions telling a renderer how to draw text and vector shapes. A PNG is a grid of actual pixels. Asking for 300 dpi generates 8.7 million pixels for a single A4 page, and storing them takes far more space than the handful of drawing operators that described the same page.
No. Rendering flattens live characters into pixels that merely look like words, and nothing reverses that. Edit the original PDF in a PDF editor if you still have it. If the exported image is all you have left, run it through an OCR engine to recover the words as editable text, accepting that recognition is a best guess rather than the original data.
150 dpi is the baseline for most professional work and gives an A4 page at 1,240 by 1,754 pixels. Move to 300 dpi only when the image is going to commercial print or into deep archival storage. Going higher than the destination can display wastes memory and buys nothing, and past 900 million output pixels across the run the tool refuses the job and asks you to lower the dpi.
A PDF page has no background object coded into it, so the paper you see in a viewer is an assumption rather than data. Rendering without laying down a base canvas would hand you a transparent file holding floating dark marks, and a page of white text on a dark fill would come out looking completely blank on a white website. Every page is filled with solid white first so the export matches the original.
Yes. Type a range into the Pages field the way you would in a print dialog: 1-3, or 5, or 2,7,11-14. Because lossless files are heavy, converting only the pages you need is the difference between a quick download and a browser tab fighting for memory.
None. No hidden watermark, no logo, no trial banner and no forced attribution link. The PNG images hold what was rendered from your PDF and nothing else, and they are free for commercial, professional and personal use.
Because PNG has already run Deflate over its own pixel data. Running Deflate a second time over an already compressed stream costs seconds of your processor and saves nothing measurable, and on some inputs it produces an archive larger than the files that went into it. The entries are stored instead, and the images inside are untouched.
All of these run the same way: your file is read by JavaScript on your own machine, the work happens on your processor, and the result is handed back to you as a download that never existed anywhere else.
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