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Convert PNG to JPEG

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PNG stores every pixel exactly using lossless compression — no detail is ever discarded. That precision is valuable for screenshots, logos, and diagrams, but produces large files for photographic content. JPEG applies lossy compression that achieves dramatically smaller files by discarding spatial detail the eye barely perceives at the frequencies involved. One caveat: JPEG has no alpha channel — any transparent areas in the PNG are composited onto white. At quality settings of 85%+, the visual difference between a lossless PNG and a JPEG is imperceptible in photographs — yet the JPEG file is typically 40–80% smaller.

When you’d want this conversion

  • Sharing photographic PNG files where file size matters — recipients don't need lossless precision
  • Attaching images to emails or uploading to platforms with file-size limits
  • Converting photo screenshots or scanned documents to a compact, widely compatible format
  • Exporting a final image for social media or web where JPEG is the expected format

What to watch for

Transparency is lost — any transparent or semi-transparent pixels are composited onto white in the JPEG output. To keep the transparent background, convert to PNG or WebP instead.
The lossy encoding is permanent — once converted, the discarded detail cannot be recovered. Keep the original PNG as your master file if you may need to edit it again.
From.png

PNG

Portable Network Graphics

  • Lossless compression
  • Supports transparency
  • Best for: screenshots, logos, graphics with transparency, diagrams
To.jpg

JPEG

Joint Photographic Experts Group

  • Lossy compression
  • No transparency
  • Best for: photographs, social media images, email attachments

More PNG Conversions

Convert PNG to WebP Convert PNG to AVIF

Convert Other Formats to JPEG

Convert WebP to JPEG Convert GIF to JPEG Convert BMP to JPEG Convert AVIF to JPEG Convert HEIC to JPEG Convert SVG to JPEG

Related Tools

Convert JPEG to PNG Compress PNG Image Converter

Related Guide

PNG vs JPG vs WebP vs AVIF

How to Use

  1. 1

    Drop your PNG file or click to browse — the output format is already set to JPEG.

  2. 2

    Adjust the quality slider. 85–90% is a good starting point; lower values produce smaller files with more visible compression.

  3. 3

    Click "Convert to JPEG" — conversion runs entirely in your browser.

  4. 4

    Download the JPEG. Note: transparent areas become white.

Frequently Asked Questions

Does converting PNG to JPEG remove transparency?

Yes. JPEG does not support an alpha channel. Any transparent or semi-transparent pixels are composited onto a white background in the output. If keeping the transparent background is important, convert to PNG or WebP instead — both support full per-pixel alpha.

How much smaller will the JPEG be compared to the PNG?

Typically 25–34% smaller at equivalent visual quality. Exact savings depend on image content; natural scenes compress more than high-frequency graphic detail.

Does converting PNG to JPEG reduce image quality?

JPEG uses lossy compression, so some fine detail is permanently discarded — but at quality settings of 85%+, the difference is imperceptible in photographs and most graphics. For images you plan to edit further, keep the original PNG as your master copy.

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