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| File Name | Size | Convert To |
|---|
Checking files and selected output formats.
| File Name | File Size | Download |
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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.
PNG → PDF is the workflow for uploading screenshots to systems that only accept PDFs — insurance claims, dispute resolution portals, HR compliance systems, legal discovery uploads. PNG preserves the sharp text of a screenshot better than JPG, and the PDF wrapper makes it acceptable to the receiving system. Combined into multi-page PDFs when submitting a series of screenshots as evidence.
PDF is the universal fixed-layout document format — it renders identically across viewers, preserves fonts and formatting, and is the accepted-by-default format for invoices, contracts, government uploads, academic submissions, and portfolio work. Convert to PDF when the receiving system explicitly wants PDF or when the layout must not shift.
PDF supports PNG-style lossless compression (FlateDecode), so PNG pixels can be stored inside the PDF without quality loss. Transparency from the PNG alpha channel is preserved in the PDF. The resulting PDF is typically similar in size to the original PNG, sometimes slightly larger due to PDF metadata overhead.
Convert PNG screenshots or diagrams to PDF for email attachments, document submissions, or print-ready output. PDF is universally viewable and prints with consistent results across platforms. Combine multiple PNGs into a multi-page PDF for organized document delivery.
Technical comparison of the two formats — useful for deciding which to use, or for confirming what changes during conversion.
| Property | PNG | |
|---|---|---|
| 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 | |
| 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 |
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.
Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert PNG files to PDF.
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