ImageToolbox.app

    JPG vs PNG: Which Image Format Should You Use?

    The complete comparison between JPEG and PNG — file size, quality, transparency, and when to pick each.

    Use JPG When...

    • You need small file sizes
    • You're sharing photos
    • File size matters more than perfect quality
    • Uploading to social media or web
    Convert PNG to JPG

    Use PNG When...

    • You need transparency
    • Your image has text or sharp lines
    • Quality cannot be compromised
    • Creating logos, screenshots, or graphics
    Convert JPG to PNG

    Side-by-Side Comparison

    FeatureJPGPNG
    File SizeSmall (lossy compression)Large (lossless compression)
    QualityGood, some loss at high compressionPerfect, no quality loss
    Transparency✗ No✓ Yes (alpha channel)
    Colors16.7 million16.7 million
    Best forPhotos, complex imagesGraphics, text, logos, screenshots
    Web compatibilityUniversalUniversal
    PrintGood at 300 DPIExcellent
    Editable layersNoNo

    Quick Decision Guide

    • Photography portfolio? → JPG (smaller files, good quality)
    • Logo with transparent background? → PNG (alpha channel)
    • Website screenshot? → PNG (sharp text, no artifacts)
    • Email attachment? → JPG (smaller = faster to send)
    • Printing at high quality? → PNG (lossless) or high-quality JPG
    • Social media post? → JPG (platforms compress anyway)

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