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In-memory processing
PNG to PDF runs as JavaScript inside this tab.
Never uploaded
Safe for financials, contracts and NDAs.
No caps or sign-ups
File size is limited only by device memory.
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Convert PNG to PDF to share screenshots, diagrams or scanned pages as a single document. PNG images are embedded losslessly, so text in screenshots stays crisp.
No. PNG images are embedded without lossy compression, so every pixel is preserved. Several PNGs can be combined into one PDF, one image per page.
Yes. PNG to PDF runs entirely inside your web browser using JavaScript, so the file never leaves your device. It is safe for confidential documents such as contracts, financial records and IDs.
There is no fixed limit, because the file is processed on your own device. Very large files depend on your device's available memory; a modern laptop or phone handles hundreds of megabytes.
Yes. ZapConvert runs in any modern browser, including Safari on iPhone and iPad and Chrome on Android, with nothing to install. You can add several files at once and download them together as a ZIP.