PDF to PNG Converter

Save each page of a PDF as a lossless PNG image, sharp enough for text, tables and diagrams. Pages are rendered at 150 dpi, and a PDF with several pages gives you a ZIP with one PNG per page.

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Format Comparison & Technical Specifications

SpecificationPDFPNG
MIME Typeapplication/pdfimage/png
Typedocument containerraster
CompressionFlate / JPEG / JBIG2 / CCITTlossless (DEFLATE / LZ77 + Huffman)
Standard SpecificationISO 32000-2:2020W3C PNG 3rd Edition
Magic Bytes Header25 50 44 46 (%PDF)89 50 4E 47 0D 0A 1A 0A

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Compress PNG

Quantized 256-color palette reduction via UPNG and Deflate recompression.

PDF to JPG

Render every page of a PDF as a JPEG image at 150 dpi, one image per page.

JPG to PNG

Convert JPEG images to PNG for editing workflows. PNG preserves decoded pixels but cannot restore detail lost to JPEG compression.

WebP to PNG

Convert WebP images into standard PNG format for editing in graphics software.

BMP to PNG

Convert uncompressed Windows BMP bitmaps to PNG. PNG uses lossless compression, while the resulting file size depends on image content and encoding settings.

Compress PDF

Metadata dictionary purging, object stream packaging, and embedded raster image optimization.

PNG to JPG

Convert lossless PNG images with solid backgrounds into lightweight, high-compatibility JPEG photos.

JPG to WebP

Convert JPEG photos into modern WebP format to reduce web payload size by 25-35%.

PENTAX to PNG

Convert all Pentax camera RAW exposures (PEF, PTX) into, lossless PNG deliverable images.

FLAC to ALAC

Convert open-source FLAC master audio into Apple Lossless (ALAC M4A) for native iOS and Apple Music playback.

OGG to MP3

Convert open Ogg Vorbis compressed audio tracks into widely used MP3 music files.

TAR to GZ

Compress standalone POSIX TAR archives into lightweight GZIP-compressed tarballs (tar.gz).

Format Overview & Applications

PNG is the usual choice when a PDF page has to become an image without blurring its text: documentation screenshots, diagrams for a wiki or a slide, a page of a contract to annotate in an image editor, or a chart to reuse on a web page. The image shows the page exactly as a PDF reader draws it, but it is only a picture: the text can no longer be selected or searched, and links and form fields stop working. Keep the PDF if you still need those.

Technical Specifications & Codec Breakdown

The PDF is opened with pdf.js, the same rendering library Firefox uses for PDFs, and each page is drawn on a white canvas at 150 dpi (150 pixels per inch of page size). An A4 page becomes 1240×1754 pixels and a US Letter page 1275×1650 pixels. Each canvas is saved as a PNG, which stores every pixel without loss.

OS & Browser Compatibility

PNG files open on most phones, computers, and web browsers, and image editors, wikis, slide tools and websites accept them. A PDF needs a PDF reader, which many of these tools cannot embed as an image.

Useful info

PNG files of photo-heavy or scanned pages can be several times larger than JPG; use PDF to JPG for those and keep PNG for text, tables and line drawings.

Frequently Asked Questions

What do I get from a PDF with several pages?

A ZIP file with one PNG per page, named after the PDF with the page number (for example report-page-01.png). A one-page PDF gives a single PNG.

Is the background transparent?

No. Pages are drawn on a white background, as they look in a PDF reader.

Can I convert a password-protected PDF?

No. Remove the password in a PDF reader first, then convert the unlocked copy.