guides 2025-04-22 · 5 min read

Konverze HEIC do WebP: Kompletní iPhone workflow

Proč je formát HEIC iPhone problematický pro web a jak převést do WebP pro o 50 % menší soubory s lepší podporou prohlížečů.

How to Convert iPhone HEIC Photos to WebP for the Web

iPhones save photos as HEIC by default. It’s efficient for storage, but terrible for the web — most browsers can’t display it.

The Problem

FormatiPhone StorageWeb SupportFile Size
HEIC✅ Native❌ NoneSmall
JPEG⚠️ Convert✅ UniversalMedium
WebP❌ No✅ 97%Smallest

The Solution: HEIC → WebP

Converting HEIC to WebP gives you:

  • 50% smaller files than JPEG
  • Universal browser support (with JPEG fallback)
  • Better quality at the same file size

Step-by-Step Workflow

1. Export from iPhone

  • AirDrop to Mac (preserves HEIC)
  • Or use Files app to save to cloud storage

2. Convert with AmberPic

  1. Open our HEIC to WebP Converter
  2. Drop your HEIC files
  3. Choose quality (80-85 recommended)
  4. Download converted files

3. Implement on Your Site

<picture>
  <source srcset="photo.webp" type="image/webp">
  <img src="photo.jpg" alt="Description">
</picture>

Quality Comparison

At the same visual quality:

  • HEIC original: 2.4MB
  • JPEG export: 3.1MB (larger!)
  • WebP conversion: 1.2MB (50% smaller)

Batch Conversion

For photo libraries:

  1. Select all HEIC files
  2. Use our batch converter
  3. Download ZIP with all WebP files
  4. Replace on your site

Convert HEIC to WebP free — try AmberPic.

#heic #webp #iphone #workflow

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