Convert PDF pages to sharp PNG images
Render every page of one PDF as a numbered PNG. PNG stores the rendered pixels losslessly, making it a practical choice for diagrams, screenshots, line art, and pages with sharp text.
Export lossless rendered pixels
Select one PDF up to 50 MiB and create a white-background PNG for every page.
Open the PDF to PNG toolHow to convert every PDF page to PNG
- Open the converter with PDF to PNG selected.
- Select one PDF no larger than 50 MiB and verify the filename.
- Start conversion and keep the page open while all PDF pages render.
- Download a direct PNG for a one-page source, or a ZIP when the source has multiple pages.
- Extract multi-page output and compare the numbered images with the source.
Numbered PNG output
Every page is exported; there is no page-range selector. A one-page PDF downloads one PNG directly. A multi-page source downloads as a ZIP with names such as diagram-page-1.png and diagram-page-2.png. The ZIP keeps the full set together and avoids repeated browser download prompts.
PNG commonly suits charts, interface captures, forms used as static images, line drawings, and pages where hard edges matter more than a compact download. Photographic or scan-heavy pages can produce much larger PNG files than JPG because PNG does not discard rendered pixel data.
Lossless relative to the rendered pixels
PDF.js first rasterizes the page at scale 2. For an ordinary PDF based on 72-point-per-inch coordinates, the resulting dimensions are nominally about 144 pixels per inch. PNG then stores those rendered pixels losslessly. It does not preserve the source's infinitely scalable vectors, increase the source scan resolution, or recreate details that were absent.
This distinction matters: PNG avoids an additional lossy image-compression step, but the PDF-to-canvas step has already converted text, vectors, shading, and images into a fixed pixel grid. Enlarging the PNG beyond its pixel dimensions can still reveal stair-stepping or softness.
Tested September 14, 2026 in Chrome through the current Converttwo browser converter. The searchable source PDF was 13,345 bytes and contained six Letter pages. The result was a 1,729,880-byte ZIP with six entries, named page-1.png through page-6.png. Every decoded page image measured 1224x1584 pixels; the first PNG was 115,726 bytes.
Method: run the actual PDF to PNG mode, extract and list the ZIP, count and decode the images, then compare page count, order, and dimensions with the source. This one simple sample does not predict results for other documents.
White background and lost PDF structure
The rendering canvas is filled white before the PDF page is painted, so transparent regions in the PDF do not become transparent PNG pixels. They appear white. Although PNG itself supports transparency, this converter's PDF export intentionally produces a white background.
The PNG contains no searchable text, selectable vectors, links, forms, bookmarks, layers, attachments, accessibility tags, signature state, page boxes, or source PDF metadata. Annotation appearances may remain visible as rendered pixels, but the annotation objects and their actions are lost. Keep the source PDF as the structured master.
Practical canvas limits and privacy
The input is one PDF up to 50 MiB. A file within that limit can still fail because page canvases consume memory according to pixel dimensions, not compressed PDF size. A long document, oversized drawing, or high-resolution scan can reach browser memory or canvas limits. PNG encoding and ZIP creation also need working memory, and PNG outputs may be large.
Page rendering and output packaging happen in the browser; selected PDF content is not posted to the document-conversion API. The page requests third-party scripts and fonts, so browser-based does not mean fully offline. Review the Privacy Policy and applicable document-handling rules.
There is no password-entry workflow. Encrypted or password-protected PDFs may not load. Use an unlocked copy only when authorized.
When not to export as PNG
- Choose PDF to JPG when scan or photographic content needs a potentially smaller lossy derivative.
- Retain PDF when text search, accessibility, vectors, links, forms, annotations, signatures, metadata, or multipage navigation matters.
- Use vector export or specialist design software when artwork must remain resolution-independent.
- Use OCR when pixels must become searchable text.
- Use a desktop workflow for unusually large pages or documents that exceed browser memory.
Troubleshooting PNG exports
The PNG is unexpectedly large
PNG preserves every rendered pixel without lossy compression. Detailed scans and photographs are often less compact in PNG; JPG may be more practical if minor compression loss is acceptable.
The background is white instead of transparent
This converter fills the canvas white before painting the page. PNG format support for transparency does not change that export behavior.
Edges become jagged when enlarged
The original vectors were rasterized at scale 2. PNG preserves that pixel grid exactly, but it cannot keep vector scalability beyond the rendered dimensions.
The browser runs out of memory
Close other tabs and try a shorter or less complex source. Large page dimensions and many lossless images can demand substantially more memory than the PDF's compressed size suggests.
PDF to PNG FAQ
Is the output truly lossless?
PNG encoding is lossless relative to the rendered canvas pixels. The conversion from structured PDF content to a fixed scale-2 pixel grid is still a rasterization step.
Does a multipage PDF become a multipage PNG?
No. Each page becomes a separate numbered PNG, and multiple images are packaged in one ZIP.
Can I choose transparent output?
No. PDF pages are rendered onto a white canvas in the current workflow.
Create PNG images from each page
Retain the PDF master, then check page count, dimensions, white backgrounds, and fine edges.
Convert PDF to PNG