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PNG to PDF Online Free — PrivaTools

TL;DR: Wraps one or more PNG images into a single PDF, keeping transparency, and lets you reorder pages before exporting.

Convert PNG to PDF online for free — turn PNG screenshots and graphics into a single PDF with full transparency support. Drag, drop, reorder. No watermarks.

PNG to PDF keeps nothing. The public demo processes your upload in isolated temporary storage and unlinks it the moment you have your result — no retention window, no analytics on file contents, no third-party file sharing. The privacy claim is auditable in the GitHub repo.

What PNG to PDF is best for

Convert PNG to PDF online for free — turn PNG screenshots and graphics into a single PDF with full transparency support. Drag, drop, reorder. No watermarks. Use it when you need a quick, private, no-account way to handle a pdf in the browser, or when you want an auditable open-source alternative to iLovePDF, Smallpdf, Adobe Acrobat, PDF24, and Sejda. The page at /tool/png-to-pdf is designed for one clear job: upload or provide the input, choose only the options that matter, and download the result without creating an account or passing through a sales funnel.

Privacy model for PNG to PDF

PDF operations that need server-side libraries run inside the PrivaTools container and return a fresh download; browser-only PDF helpers stay on-device. Temporary input and output files are not used for analytics, model training, advertising profiles, or product telemetry. The public demo uses anonymous page-view analytics only; file bytes, extracted text, filenames, passwords, signatures, and generated results are outside that analytics path. If your organization needs stricter controls, you can self-host all 214 PrivaTools utilities and keep processing on your own infrastructure.

Quality checklist

Before running PNG to PDF, confirm that the source file opens correctly and that you have permission to process it. Keep an untouched original, run one operation at a time when quality matters, and use Pipeline when you want repeatable multi-step output. For sensitive material, review the downloaded result before sharing it. For large files, give the browser time to finish the download and avoid refreshing the page mid-run. If a password, damaged upload, unsupported codec, or malformed document blocks processing, PrivaTools returns a plain-language error so you can pick the next recovery step instead of guessing.

Operational details

PNG to PDF is intentionally narrow: it does one pdf task and hands the result back as a normal download. That makes the output easy to inspect, rename, archive, attach to email, or feed into another tool. If you need a repeatable workflow, save the page, bookmark a Pipeline recipe, or self-host the API so the same steps can run from internal scripts. The interface avoids accounts and cloud folders on purpose: the safest default for private files is to process only the current request, return the result, and leave long-term storage under your control.

Using PNG to PDF on any device

PNG to PDF runs in any modern browser on Windows, macOS, Linux, Android, and iOS — there is nothing to install, no extension to add, and no desktop app to keep updated. Because the interface is a single page, you can bookmark it, send the link to a colleague, or open it on a phone and get the same result you would on a laptop. There are no watermarks stamped onto your output, no sign-in wall before the download, and no paid tier that unlocks the “real” version later — the PNG to PDF you see is the complete tool. For teams that would rather keep everything in-house, the same endpoint ships in the MIT-licensed, self-hostable build, so you can run it behind your own firewall with identical behaviour and no outbound calls. That combination — instant in the browser for individuals, fully self-hostable for organizations — is what keeps a private file genuinely private from upload to download.

How to use the PNG to PDF tool on PrivaTools

  1. Upload PNG images — Drop one or many .png files up to 500 MB total.
  2. Choose page size — Letter or A4. Transparency in PNGs renders against a white page background.
  3. Download the PDF — All images become a single PDF, one per page. Lossless — PNG pixels map directly to PDF image objects.

Frequently Asked Questions

Will the PDF be larger than the PNGs?

Roughly the same — PNGs are already losslessly compressed, and PDF embeds them with minimal overhead.

How is transparency handled?

Transparent PNGs render over a white background. If you need true alpha through, use the Image to PDF generic tool with the keep-alpha option.

Is there a max number of images?

Practical limit is around 100 images per conversion before browser upload time becomes inconvenient. Backend limit is 500 MB total.

Last reviewed 2026-05-01 by the PrivaTools maintainers. Source code on (MIT-licensed, self-hostable).

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