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How to Convert Images Between PNG, JPEG, WebP & SVG

Different image formats serve different purposes. Using the wrong format means bigger files, slower sites, or blurry graphics. Here's when to use each format and how to convert between them for free.

Format Guide

JPEG (JPG)

  • Best for: Photographs, complex images with gradients.
  • Compression: Lossy — some quality is lost each time you save.
  • Transparency: Not supported.
  • Typical size: Small (good compression ratio).

PNG

  • Best for: Screenshots, logos, images with text, images needing transparency.
  • Compression: Lossless — no quality loss.
  • Transparency: Supported (alpha channel).
  • Typical size: Larger than JPEG (2–5× for photos).

WebP

  • Best for: Web use — photos and graphics. The modern replacement for both JPEG and PNG.
  • Compression: Both lossy and lossless modes.
  • Transparency: Supported.
  • Typical size: 25–35% smaller than JPEG at equivalent quality.
  • Browser support: 97%+ in 2026 (IE is dead).

SVG

  • Best for: Icons, logos, illustrations — anything with simple shapes.
  • Format: Vector (XML-based) — scales to any size without quality loss.
  • Typical size: Tiny for simple graphics, huge for complex ones.

Conversion Recommendations

  • PNG → WebP: Best web optimization. 50–70% size reduction with transparency preserved.
  • JPEG → WebP: Same quality, 25–35% smaller.
  • PNG → JPEG: Only if you don't need transparency. Huge savings for photos.
  • JPEG → PNG: Only if you need transparency or lossless editing. File will be much larger.
  • Any → SVG: Not possible for photos. SVG is vector-only. Use for simple graphics.

How to Convert Images

Using SnapSum Image Converter:

  1. Drop your image or click to browse.
  2. Select the output format (PNG, JPEG, WebP, BMP, GIF).
  3. Adjust quality if the format supports it (JPEG, WebP).
  4. Click "Convert" and download.

Everything runs in your browser — no upload, no signup, no watermarks.

Batch Conversions

Need to convert multiple images? Drop them all at once. Each image is processed independently. For resizing along with conversion, use Image Resizer.

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