Batch PNG to PDF Converter
Convert PNG to PDF online for free. 100% secure, fast, and private local file conversion directly in your browser. No software installation required.
Why convert PNG to PDF?
PNG-to-PDF is the archivist's move: lossless images, bundled in document form. Screenshots, UI mockups, scanned graphics, and diagram exports assemble into one shareable, printable PDF that preserves every pixel. Unlike photo PDFs from JPG, PNG sources keep hard edges and text crisp because nothing is re-compressed. Teams documenting interfaces, patent applications with figures, and course materials converted from slide exports all rely on PNG-to-PDF for clean, faithful documents.
WasmConvert builds PNGs into a PDF in your browser, letting you order files, choose page size, and flatten transparent backgrounds onto a color of your choice, since PDF pages are opaque. Multi-page assembly happens locally with no upload, so internal design documentation and unpublished figures stay private. Batch mode converts a folder of screenshots or diagram exports into a single paginated PDF with no size limits, ready for review or print.
Common use cases
- Assembling UI screenshots and mockups into a review-ready PDF for stakeholders.
- Bundling diagram exports and scanned graphics into archival documents.
- Compiling slide exports or course figures into a paginated handout.
How to convert PNG to PDF (Step-by-step)
Select or drop your file
Click "Choose Files" or drag and drop your PNG file directly onto this page.
Set target format
Make sure the output format is set to PDF.
Local conversion
Click convert. Your file is processed entirely in your browser memory - no data is uploaded to our servers.
Save instantly
Once finished, your PDF file is ready to download.
PNG is a lossless raster image format that supports transparent backgrounds. It is the format of choice for icons, logos, and web graphics where detail and clarity are more important than file size.
PDF is a versatile document format. Converting images to PDF is ideal for sharing and printing documents.
Pro tips for PNG to PDF conversion
- PDF pages are opaque, so transparent PNG areas need a background color — set it to match the final medium (white for print, dark for screens).
- Keep source PNGs at their intended resolution; a PDF scaled down loses the crispness that makes PNG worth using.
- For text-heavy documents, PNG sources keep glyphs sharp because no lossy pass is applied — avoid re-saving the PDF through photo editors.