Convert PNG to PDF

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What happens when you convert PNG to PDF?

Animation becomes a still

Still image output. Animated files use only the first frame; animation is not preserved.

HDR to SDR

HDR is rendered to SDR using exposure and Reinhard tone mapping.

Pixels on a PDF page

Output is a one-page raster PDF at 96 DPI, not an editable vector document.

PNG

Source

PNG

Portable Network Graphics

Compression: LosslessTransparency: YesMetadata: Exif, ICC, Text

Lossless raster images with precise edges and optional transparency. The PNG standard also defines APNG animation.

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PDF

Target

PDF

Portable Document Format

Compression: Depends on variantTransparency: YesMetadata: Document information, XMP, ICC output intents

A fixed-page document format mixing text, vectors and raster images. Image conversion requires deliberate page rendering.

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Is PNG → PDF right for you?

Good choice when

PDF fits your delivery use: Fixed-layout documents & print.
You want a still illustration from an animated source.
You need an SDR delivery copy and can review its tone mapping.
You need a document page for printing or delivery.

Probably not when

Motion, frame timing or loop behaviour must survive.
You need the original HDR range for relighting or grading.
You expect OCR, vector tracing or a smaller image from a PDF wrapper.
You assume format-level alpha support guarantees matching transparent edges.

PNG to PDF conversion details

Animation becomes a still: Still image output. Animated files use only the first frame; animation is not preserved.
HDR to SDR: HDR is rendered to SDR using exposure and Reinhard tone mapping.
Pixels on a PDF page: Output is a one-page raster PDF at 96 DPI, not an editable vector document.
Transparency representation: The implemented target supports alpha. Display-pixel processing can round translucent samples; archival sample equality is not promised.
Sample precision & colour: Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.
Metadata & colour: Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.
Compression: PNG: Lossless → PDF: Depends on variant PNG: PNG compression is lossless. Palette conversion, resizing or reducing bit depth before encoding can still discard information. Animation is the APNG extension included in the third edition. PDF: PDF has no single compression quality. Different streams may use lossless or lossy filters; page rasterization can remove document structure even when the resulting pixels are encoded losslessly.
Transparency: Transparency is replaced with white by default. Change the background in Advanced options.
Animation: Still image output. Animated files use only the first frame; animation is not preserved.
Colour depth: PNG: 1–16 bits/sample
HDR: PNG: Third-edition signalling
Multiple images: PDF: Page tree
Vector graphics: PDF: Paths & text on pages
Dimensions: Rendered image dimensions are retained within the converter limits; this tool does not offer resizing. Orientation handling depends on the source decoder.
Metadata: Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.

Common questions

Will the output keep animation?

Still image output. Animated files use only the first frame; animation is not preserved.

How will HDR brightness be mapped?

HDR is rendered to SDR using exposure and Reinhard tone mapping.

Will PDF turn the image into searchable text or vectors?

Output is a one-page raster PDF at 96 DPI, not an editable vector document.

Are bit depth and colour values guaranteed to match?

Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.

Will metadata and colour profiles be retained?