How to convert a pdf to png for print: what resolution you actually get
- Step 1Decide if 144 DPI is acceptable for this job — 144 DPI suits proofs, large-format-at-distance, and reference images. For small high-detail print (cards, flyers), it's below the 300-DPI norm — keep the vector PDF or render at 300 elsewhere instead.
- Step 2Open the converter and drop the PDF — Load PDF to PNG and drop the file. It auto-converts every page at the fixed 2x scale — there are no DPI or quality options.
- Step 3Collect the PNGs and check pixel dimensions — Each page downloads as
…-page-N.png. Verify the pixel size matches your needed print size at the DPI your workflow expects (pixels ÷ inches = effective DPI). - Step 4Compute the real DPI at your print size — A Letter page exports at 1224x1584 px. At 8.5x11 in that's 144 DPI. If you place it larger or smaller, the effective DPI changes — keep pixels ÷ final inches at or above your spec.
- Step 5Use the vector PDF for true 300-DPI work — For business cards, flyers, brochures, or anything proofed up close, supply the original vector PDF to the RIP — it rasterises at full device resolution. That beats any pre-rasterised PNG.
- Step 6Hand off PNGs only where 144 DPI fits — Deliver the PNGs for proofs, large-format-at-distance, or as imposition references. Note that PNG carries no embedded ICC profile, so colour-managed jobs should use the source PDF.
What DPI you actually get at common print sizes
The export is fixed at 2x (144 DPI). Effective DPI = output pixels ÷ final print inches. These are the numbers — there is no setting to raise them.
| Page / placement | PNG pixels (2x) | Effective DPI at this size | Print verdict |
|---|---|---|---|
| Letter at 8.5x11 in | 1224 x 1584 | 144 DPI | Proof/large-format only |
| A4 at 210x297 mm | 1190 x 1684 | 144 DPI | Proof/large-format only |
| Business card at 3.5x2 in | from a card-size page | ~144 DPI | Below 300 — soft, avoid |
| A3 poster placed at 11.7x16.5 in | 1684 x 2384 | ~144 DPI | OK for poster viewed at distance |
| A2 banner placed at 16.5x23.4 in | scaled up | <144 DPI | Fine at viewing distance |
Resolution guidance: when 144 DPI is enough
Standard print resolution targets vs what this tool delivers. Use the right path per job.
| Print job | Standard DPI | 144 DPI PNG OK? | Better path if not |
|---|---|---|---|
| Business card / small card | 300+ | No | Vector PDF to RIP |
| Flyer / brochure | 300 | No | Vector PDF to RIP |
| Magazine / book interior | 300 | No | Vector PDF / 300-DPI render |
| Poster (viewed >1 m) | 150 | Borderline–OK | Vector PDF for safety |
| Large banner (viewed far) | 100-150 | Yes | PNG fine at distance |
| Internal proof / mockup | any | Yes | PNG fine |
File-size and page limits by tier
Real limits from the PDF tool family. The free tier blocks oversized files or page counts with an upgrade prompt before any rendering starts; everything runs locally in your browser either way.
| Tier | Max file size | Max pages per PDF | Files per job |
|---|---|---|---|
| Free | 2 MB | 50 | 1 |
| Pro | 50 MB | 500 | 5 |
| Pro + Media | 500 MB | 2,000 | 50 |
| Developer | 2 GB | 10,000 | 1 (unlimited batch) |
| Enterprise | Unlimited | Unlimited | Unlimited |
Cookbook
Print scenarios with the DPI math worked out, and the honest call on whether to use the PNG or the vector PDF.
Large-format banner — 144 DPI is fine
Viewed from metres away, 100-150 DPI is the norm, so a 144-DPI PNG is perfectly adequate.
banner.pdf (A2 artwork) -> PDF to PNG -> banner-page-1.png (1684 x 2384 px) placed at A2 (16.5 x 23.4 in) -> ~100 DPI Verdict: fine for a banner seen at distance.
Business card — DON'T use the PNG
A card is held in the hand; 144 DPI looks soft. Use the vector PDF instead.
card.pdf -> PDF to PNG -> ~144 DPI at 3.5x2 in Held at reading distance -> visibly soft text [bad] Right move: send the vector card.pdf to the printer/RIP -> rasterised at 300+ DPI on the device -> crisp.
Internal colour proof
For a quick proof to circulate, the PNG is ideal — lossless and fast.
layout.pdf -> PDF to PNG -> layout-page-1.png email / Slack to reviewers as a proof image Note: PNG has no embedded ICC profile, so treat colour as approximate; final colour from the press proof.
Work out the real DPI before you commit
The one calculation that prevents a soft print: pixels ÷ final inches.
Output PNG: 1224 x 1584 px Wanted print size: 4 x 5 in (cropped) 1224 / 4 = 306 DPI across (good for that small crop!) 1584 / 5 = ~317 DPI down So a small crop of a Letter page CAN hit 300 DPI. A full Letter page at full size is only 144 DPI.
Need true 300 DPI of a full page
This tool can't raise DPI. Keep the vector and let the output device rasterise.
Goal: 300-DPI raster of a full A4 page
This tool: fixed 144 DPI -> below spec [no]
Do instead: supply the vector PDF to the RIP/print shop
-> rasterised at full device resolution at print time.Edge cases and what actually happens
You needed 300 DPI
Only 144 DPI availableThe export is fixed at 2x (144 DPI) with no resolution control — below the 300-DPI print standard for small high-detail work. For true 300 DPI, supply the vector PDF to the RIP, or render at 300 DPI in a tool that supports it.
Business card / flyer printed soft
Resolution too lowAt 144 DPI a small piece held at reading distance looks soft. Don't pre-rasterise these — send the vector PDF to the printer so the device rasterises at 300+ DPI. Pre-rasterising loses resolution you can't get back.
Large-format piece looks great at 144 DPI
Adequate by distanceBanners and posters viewed from a distance are commonly produced at 100-150 DPI, so 144-DPI PNG is genuinely fine here. Effective DPI drops as you scale up, but at viewing distance the eye can't resolve it.
Colour doesn't match the proof
No ICC profilePNG carries no embedded ICC colour profile, and the render reflects on-screen RGB, not CMYK. For colour-managed print, use the source PDF (which retains its colour data) — treat the PNG as visual reference only.
A small crop actually hits 300 DPI
Math-dependentEffective DPI is pixels ÷ final inches. A small crop of a 1224x1584 Letter export placed at, say, 4x5 in clears 300 DPI. The fixed 144 DPI only bites when you print near the full page size — do the math for your placement.
Free tier and the press PDF is over 2 MB
Blocked — upgradePress PDFs are often large. Free caps at 2 MB; Pro raises it to 50 MB. The file is never uploaded — the check runs locally. Extracting just the page you need can bring it under the cap.
Free tier and over 50 pages
Blocked — upgradeFree converts up to 50 pages. For a long imposed file, extract the page(s) you need first, or use Pro for up to 500 pages.
Encrypted / secured press PDF
Render failsA password-protected PDF can't be rendered. Remove the password with PDF Remove Password first if you're authorised to, then convert.
PNG vs TIFF for the print shop
Check the specTIFF is the traditional print raster format; PNG is equally lossless but uncommon in some pre-press pipelines. Confirm the shop accepts PNG. Either way, at 144 DPI it's only suitable where 144 DPI is suitable — format doesn't fix resolution.
Bleed and crop marks missing
Page render onlyThe PNG is exactly the page as rendered — if the PDF page has no bleed or crop marks, the PNG won't either. For trim/bleed, keep the print-ready vector PDF; rasterising to PNG isn't a pre-press substitute.
Frequently asked questions
Does this tool export at 300 DPI?
No. It renders at a fixed 2x scale, which is 144 DPI, and there's no resolution setting. For small high-detail print that needs 300 DPI, this PNG will be below spec — supply the original vector PDF to your RIP/print shop instead, or render at 300 DPI in a tool that supports it.
What DPI do I actually get, then?
144 DPI at the page's native size. A Letter page exports at 1224x1584 px; printed at 8.5x11 in that's exactly 144 DPI. Effective DPI = output pixels ÷ final print inches, so a small crop printed small can be much higher — do the math for your placement.
Is 144 DPI ever good enough for print?
Yes — for large-format pieces viewed at a distance (banners, posters are commonly 100-150 DPI), for internal proofs and mockups, and for reference images. It's not adequate for small items held at reading distance like business cards, flyers, and brochures, which want 300 DPI.
How do I get a true high-resolution print file?
Keep the vector PDF and supply that to the printer or RIP — it rasterises at the device's full resolution at print time, which beats any pre-rasterised image. Pre-rasterising to a 144-DPI PNG permanently caps the resolution; the vector path does not.
Can a crop of the page reach 300 DPI?
Yes. Since effective DPI is pixels ÷ inches, a small crop of the 1224x1584 export placed at a small size can clear 300 DPI. The 144-DPI ceiling only matters when you print at or near the full page dimensions. Calculate for your specific crop and size.
Will colour profiles (ICC) carry over to the PNG?
No. PNG doesn't embed an ICC profile here and the render is on-screen RGB, not CMYK. For colour-managed print, use the source PDF, which retains its colour data. Treat the PNG as a visual reference, not a colour-accurate proof.
PNG or TIFF for the print shop?
TIFF is the traditional pre-press raster format; PNG is equally lossless but less common in some workflows — confirm your shop accepts it. Format aside, remember the resolution is 144 DPI either way, so use it only where 144 DPI is appropriate.
Why is my flyer soft when I used the PNG?
Because 144 DPI is below the 300 DPI a flyer needs at reading distance. The fix isn't a different format — it's not pre-rasterising at all. Send the vector PDF to the printer so it's rasterised at 300+ DPI on the output device.
Are bleed and crop marks included?
Only if they're in the PDF page itself — the PNG is a faithful render of the page as-is. PNG export is not a pre-press step; for trim, bleed, and registration, keep and supply the print-ready vector PDF.
Is my press file uploaded?
No. All rendering happens in your browser and the file is never uploaded. Only the pdf.js worker script loads from a CDN. Your client artwork and press-ready files stay on your machine.
How big a file can I convert?
Free allows 2 MB and 50 pages; Pro 50 MB / 500 pages; Pro+Media 500 MB / 2,000; Developer 2 GB / 10,000. Press PDFs can be large — extracting the single page you need often keeps a job under the free cap, and nothing is uploaded regardless.
What's the best overall approach for print?
For anything proofed up close or printed small, keep it vector: hand the original PDF to the RIP. Use this PNG export only for large-format-at-distance work, internal proofs, and reference images — the cases where 144 DPI is genuinely enough.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.