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PNG to PDF Converter — Free, No Signup or Upload

Combine one or multiple PNG images into a PDF with Auto, A4, or Letter pages and adjustable margins. Pixel dimensions and supported transparency are retained through local browser processing.

Drop PNGs to convert
or
File processing stays in this browser. Selected file bytes and entered values are handled in browser memory rather than sent to GoPDFConverter for processing. Normal website and analytics requests still occur.

How to Save a PNG File as a PDF

PNG files are common for screenshots, graphics with transparent backgrounds, and illustrations. To save one PNG—or a set of PNG files—as a PDF, add the images above, arrange their page order, choose Auto, A4, or Letter, and convert. GoPDFConverter retains pixel dimensions and supported transparency while processing selected image bytes in browser memory.

  1. Open the PNG to PDF tool and drop your images, or click Choose PNG files.
  2. Reorder the images by dragging them into the sequence you want.
  3. Pick a page size (A4, Letter, or fit-to-image) and set margins.
  4. Click Convert to PDF and download the finished document.

Why Convert PNG to PDF in Your Browser

Unlike JPG conversion, PNG to PDF can retain supported alpha and palette transparency for logos, diagrams, and UI mockups. GoPDFConverter carries that transparency into a PDF soft mask instead of deliberately flattening it onto a solid background.

GoPDFConverter decodes each PNG to a browser canvas, encodes new lossless PNG image data, and embeds that result with PDF-LIB. Pixel dimensions and supported transparency are retained, while source PNG text, eXIf, pHYs, and ICC chunks are not copied as original PNG chunks. Selected document bytes are processed in browser memory rather than sent to GoPDFConverter for conversion. See the reproducible PNG preflight and placement evidence for the exact behavior and limitations.

Common PNG to PDF Use Cases

Frequently Asked Questions About PNG to PDF

How do I save a PNG file as a PDF?
Drop one or more PNG files onto GoPDFConverter, arrange them, choose Auto, A4, or Letter sizing and margins, then click Convert to PDF. Each image becomes one PDF page and the completed file downloads from your browser.
Does PNG to PDF preserve transparency?
Supported alpha and palette transparency are retained as a PDF soft mask after the browser decodes and losslessly re-encodes the image data. The PNG preflight checker shows whether an input has an alpha channel or tRNS transparency before conversion.
Can I convert PNG to PDF without uploading it for processing?
Yes. Selected PNG bytes are read, converted, and saved in browser memory rather than sent to GoPDFConverter for processing. Normal website and analytics network requests still occur.
Can I convert multiple PNGs into one PDF?
Yes. Add multiple PNG files, reorder them with drag and drop, and combine them into one multi-page PDF. Very large batches remain limited by the memory available to the browser.
Is PNG to PDF conversion free?
The current public tool is free, requires no account or per-file payment, and adds no GoPDFConverter output watermark. Practical limits depend on browser memory, device resources, and image complexity.
Does PNG to PDF work on mobile?
Yes. The tool runs in Safari on iOS and Chrome on Android, so you can convert PNGs from your camera roll or screenshots folder without any app install.

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