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PNG to PDF Converter

Convert PNG images to PDF online for free. Use this exact converter when you need scans, screenshots, receipts, or photos packaged into a document that is easier to print, share, or submit.

Converting PNG to PDF embeds each image onto a standard page in a paginated document. Image resolution is preserved at source quality, and multiple PNG files become a single multi-page PDF ready for printing, emailing, or archiving.

Drop PNG files here
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Files deleted within 24 hours TLS-encrypted upload No sign-up required Batch convert supported

Max file size 50MB. Sign up for more.

What to expect when converting PNG to PDF

Typical file-size change
0–10% larger
Example

A 1 MB PNG typically becomes 1 – 1.1 MB as PDF.

Quality: Lossless — the PNG is embedded inside the PDF without re-encoding.

Heads up: PDF doesn't support transparency, so transparent backgrounds in your PNG will be flattened (usually to white).

Best for: sharing graphics, screenshots, or logos via PDF-required channels.

Avoid when: the recipient prefers raw images.

Tip: PDFs flatten PNG transparency (typically to white). If transparency matters, share the PNG directly.

Place PNG Images into PDF Documents

Turn screenshots, scans, product images, or diagrams into a document format that is easier to print, email, archive, or review.

Upload the Source Images

Select one or more PNG images — scanned pages, photos, screenshots, or diagrams. Upload multiple files to create a multi-page PDF document from several images.

Lay Them Out on the Page

Each image is placed onto a standard page (A4 or Letter) and scaled to fit while maintaining the original aspect ratio. Image quality is preserved at the source resolution — no downsampling.

Download the Finished Document

Download your PDF document ready for printing, emailing, or archiving. All images are embedded at full quality inside the document.

Why Convert PNG to PDF

Fixed Layout Guarantee

PDF preserves exact page layout, fonts, images, and formatting on every device and operating system. Your document looks identical whether viewed on a phone, laptop, or printed on paper.

Universal Document Viewer

Every computer, phone, and tablet can open PDF files using built-in viewers. Chrome, Safari, Edge, and Firefox all render PDFs natively without requiring Adobe Acrobat or any additional software.

Interactive Form Fields

PDF supports fillable form fields, dropdown menus, checkboxes, and digital signature fields. Businesses use PDF forms for contracts, applications, and surveys that can be completed electronically.

Digital Signature Support

PDF includes built-in support for cryptographic digital signatures that verify document authenticity and detect tampering. Legal, financial, and government documents rely on PDF signatures for validity.

Print-Ready Output

PDF supports CMYK color, spot colors, bleed marks, and trim boxes required by professional printers. PDF/X variants are the industry standard for submitting files to commercial print shops.

PNG vs PDF: Side-by-side

Technical comparison of the two formats — useful for deciding which to use, or for confirming what changes during conversion.

Property PNG PDF
Full name Portable Network Graphics Portable Document Format
Year introduced 1996 1993
Developer / standard body PNG Development Group / W3C Adobe
MIME type image/png application/pdf
File extension .png .pdf
Compression Lossless (DEFLATE) Built-in (FlateDecode, DCTDecode)
Color / data depth 24-bit truecolor + 8-bit alpha Vector + raster
Max dimensions / size 2,147,483,647 × 2,147,483,647 px 381 km × 381 km (15,000 × 15,000 inches)
Transparency Yes Yes
Animation APNG extension only No
Standard / specification W3C / ISO/IEC 15948 ISO 32000
Best for Logos, screenshots, graphics with transparency or sharp edges Final-form documents, contracts, archives — looks identical everywhere

About the PNG Format

PNG (Portable Network Graphics) is a lossless image format created in 1996 as a patent-free replacement for GIF. It uses DEFLATE lossless compression, meaning every pixel is preserved exactly as intended — no visual information is discarded during encoding. PNG was developed by the web community and standardized by the W3C and ISO, making it one of the most trusted and universally supported image formats available.

PNG is best suited for screenshots, graphics, logos, and any image that requires transparency. Its support for a full alpha channel allows smooth, semi-transparent edges that blend seamlessly with any background. The main trade-off is file size — PNG files are significantly larger than JPEG for photographic content because no visual data is discarded. PNG does not natively support animation; for animated sequences, APNG (Animated Portable Network Graphics) serves as its extension.

Why Convert PNG to PDF and When It Helps

Key points covered on this page, including compatibility notes, workflow tips, and practical quality trade-offs.

Image-to-document workflow Useful for scans and receipts Print and submission friendly Shareable fixed-layout output

Convert PNG images to PDF in your browser. Use this exact converter when you need scans, screenshots, receipts, or photos packaged into a document that is easier to print, share, or submit.

Turn PNG files into PDF when the next step is printing, sharing, archiving, or submitting a cleaner fixed-layout document instead of a folder of loose images.

This is useful for scans, receipts, screenshots, forms, reference packs, and client handoffs where one shareable document is easier to manage.

PNG to PDF FAQ

Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert PNG files to PDF.

How do I convert PNG to PDF online?

Upload your PNG image files, choose PDF as the output format, and download the converted document after processing completes.

Why would I convert PNG images to PDF?

People usually convert PNG to PDF when they want images grouped into a document that is easier to print, email, share, archive, or submit. PDF is usually the best target when you need a shareable, printable, fixed-layout file.

Can I combine multiple PNG images into one PDF file?

Yes. This is a common reason to convert images into a document format, especially for scans, receipts, screenshots, reports, and visual references.

Will converting PNG to PDF change image quality or layout?

The main goal is packaging and sharing. Final appearance depends on image size, page fitting, and how many images are included in the document.

Is PNG to PDF useful for scans and receipts?

Yes. This workflow is common when you need photos or scanned pages in a single document for printing, email, or submission.

Can I batch convert multiple PNG files to PDF?

Yes. Batch conversion is useful for scans, screenshots, proofs, and multi-image document workflows.

Is it safe to convert PNG to PDF online?

Yes. This converter uses temporary browser-based processing with automatic cleanup after the job is done.

How do I convert a PNG image to PDF?

Upload your PNG file to iFormat's PNG to PDF converter and click Convert. Your image is embedded into a PDF at full resolution. Download instantly — free, no watermarks, no account needed.

Does PNG to PDF conversion preserve transparency?

PDF does not support transparency the same way PNG does. Transparent areas in your PNG image are converted to a white background in the output PDF. If you need to preserve a transparent background, consider using SVG format for vector graphics.

Can I combine multiple PNG files into one PDF?

Yes. Upload multiple PNG images and they will be combined into a single PDF with one image per page. This is useful for converting screenshots, design mockups, or scanned pages into a portable document.

Will my PNG screenshot look sharp in the PDF?

Yes. PNG images are lossless and are embedded in the PDF at their original resolution. High-DPI screenshots (Retina displays) will render crisply when viewed on screen or printed.

Is there a difference between converting PNG vs JPG to PDF?

PNG supports lossless compression and transparency, while JPG uses lossy compression. Converting PNG to PDF preserves full image fidelity. Converting JPG to PDF uses the already-compressed JPG data. For screenshots and graphics, PNG is the better source format.

Will my PNG transparency be preserved as PDF?

Sort of. PDF supports transparency, but most PDF viewers render the transparent areas with a white background by default. For reliable transparency display, share the PNG directly.

Why combine PNGs into a PDF instead of sending the PNGs directly?

Three reasons: (1) corporate workflows that require PDF for record-keeping, (2) keeping pages in a specific order, (3) recipients who prefer a single file over multiple attachments.