Guide

JPG vs PNG vs WebP — When to Use Each Format

A practical guide to choosing JPEG, PNG, or WebP for photos, screenshots, and web uploads — plus free browser conversion.

PrivyTool

Picking the wrong format is why a “simple” screenshot becomes a 4MB attachment. Here’s a short decision guide — then convert privately with PrivyTool.

JPEG (JPG)

  • Best for photos and complex gradients.
  • Lossy — smaller files, tiny quality tradeoffs.
  • No true transparency.
  • Default choice for forms, WhatsApp, and email photos.

PNG

  • Best for logos, UI, screenshots with sharp text, and transparency.
  • Lossless — files can get large for photos.
  • Avoid PNG for large camera photos when size limits matter.

WebP

  • Often smaller than JPEG/PNG at similar quality.
  • Supports lossy, lossless, and transparency.
  • Great for websites; check older portals still expect JPG/PNG.

JPG ↔ PNG ↔ WebP ↔ AVIF in your browser.

Convert image format