이미지 변환기

JPG, PNG, WebP 형식 간에 이미지를 즉시 변환하세요. 모든 처리는 브라우저에서 이루어집니다 - 빠르고 안전하며 비공개입니다.

이미지 업로드

Supports JPG, PNG, and WebP

Format Comparison

FormatBest ForTransparencyCompressionFile Size
JPGPhotos, complex images❌ NoLossySmall
PNGGraphics, logos, screenshots✅ YesLosslessLarge
WebPWeb images, modern browsers✅ YesLossy/LosslessVery Small

About Image Converter

Convert images between JPG, PNG, and WebP formats instantly in your browser. All processing happens locally - your images never leave your device.

Features

  • Convert between JPG, PNG, and WebP formats
  • Adjust quality for JPG and WebP
  • Resize images while converting
  • Maintain aspect ratio option
  • Real-time preview
  • File size comparison
  • 100% browser-based (no uploads)
  • Fast and optimized

Image Format Guide

JPG (JPEG)

Best for photographs and images with many colors. Uses lossy compression to achieve small file sizes. Does not support transparency.

Use when: Sharing photos, web images where transparency isn't needed, email attachments

PNG

Best for graphics, logos, and images requiring transparency. Uses lossless compression, preserving all image data. Larger file sizes than JPG.

Use when: Logos, icons, screenshots, images with text, transparency needed

WebP

Modern format developed by Google. Provides superior compression (25-35% smaller than JPG/PNG) while maintaining quality. Supports both lossy and lossless compression, plus transparency.

Use when: Web optimization, modern websites, reducing bandwidth, supported browsers

Common Conversions

  • JPG to PNG: When you need to add transparency or edit without quality loss
  • PNG to JPG: To reduce file size for photos (loses transparency)
  • JPG to WebP: Optimize photos for web with smaller file sizes
  • PNG to WebP: Optimize graphics for web while keeping transparency
  • WebP to JPG/PNG: For compatibility with older software/browsers

Tips for Best Results

  • Use JPG for photos and complex images without transparency
  • Use PNG for graphics, logos, and images with transparency
  • Use WebP for web optimization when browser support allows
  • Adjust quality slider to balance file size and image quality
  • Keep aspect ratio enabled to avoid distortion
  • Resize images before converting to reduce file size
  • Compare file sizes before downloading

Browser Support

WebP is supported in all modern browsers including Chrome, Firefox, Edge, Safari (14+), and Opera. For older browsers, consider providing JPG or PNG fallbacks.

Privacy & Security

All image conversions happen entirely in your browser using HTML5 Canvas API. Your images are never uploaded to any server, ensuring complete privacy and security. The conversion is instant and works offline once the page is loaded.