Format Guide

Why pick this format?

ImgEasyResize exports PNG, JPEG, WebP, AVIF, and ICO. Use this sheet to balance speed, transparency, and compatibility before you commit.

Raster vs. vector

Most web assets are raster grids, while vectors describe shapes (SVG / Illustrator). ImgEasyResize focuses on raster finishing, but confirm whether your source needs to stay vector—icons that must scale programmatically should remain SVG, while photos, textures, and brush-heavy art should move to PNG / JPEG / WebP / AVIF.

Raster → photos / texturesVector → icons / logosHybrid → export vectors as raster for compatibility

Core format comparison

FormatHighlightsBrowser supportBest for
PNG Lossless compression with full alpha and Indexed Color options. All modern browsers (including legacy IE). UI mockups, logos, pixel art, assets that need transparency.
JPEG Lossy compression, quality 0–1; 0.75+ is near-lossless. All modern browsers. Photography, hero banners, gradients and full-color backgrounds.
WebP Lossy or lossless with alpha and better ratios than JPEG / PNG. Chrome / Edge / Firefox / Safari 14+. UI / illustrations that need transparency plus small file sizes; mobile web imagery.
AVIF AV1-based, supports HDR, 10-bit, alpha, and the highest compression. Chrome 85+, Firefox 93+, Safari 16+. Hero shots, fullscreen photos, bandwidth-sensitive mobile scenes.
ICO Windows favicon standard with multiple embedded sizes. Only for browser favicons. Favicons and manifest fallbacks.

Workflow tip: export AVIF or WebP first, then duplicate the settings for a PNG or JPEG fallback. Batch download keeps the base filename while swapping extensions.

Transparent illustrations

Need clean edges and alpha? Use PNG for maximum fidelity or WebP lossless for smaller packages.

  • Trim the crop to reduce empty space
  • Generate @2x Retina variants when needed

Large photo sets

Export AVIF at ~0.45–0.65 quality, then fall back to JPEG when a browser demands it.

  • Use ImgEasyResize’s quality slider for quick comparisons
  • Enable “fit to screen” to inspect details

In-app screenshots

When UI text must stay razor sharp, stick with PNG or WebP lossless and pair it with Retina scaling.

  • Lock the width / height so every device stays consistent
  • Batch export to keep filenames aligned

Dual-format checklist

To support older devices or embedded systems, ship a modern + fallback combo:

ImgEasyResize’s batch download keeps the original filenames and simply swaps the extension—perfect for this workflow.