Image Converter

Convert between PNG, JPG and WebP in your browser. Convert images between PNG, JPG and WebP formats instantly. No uploads, no watermarks, no limits — conversion happens locally in your browser. Free image converter.

Cet outil fonctionne à 100 % dans votre navigateur. Vos saisies ne sont jamais envoyées à un serveur : vous pouvez même passer hors ligne après le chargement de la page.

À propos de Image Converter

Each image format has a job: PNG for graphics needing transparency, JPG for photographs, WebP for modern web delivery at smaller sizes. This converter switches your files between the three using your browser's native encoder — drag in an image, pick the target format, download the result. Files are processed entirely on your device, which makes it both faster than upload-based converters and safer for confidential images.

Comment utiliser Image Converter

  1. Load the image you want to convert.
  2. Pick the target format.
  3. Set quality if converting to JPG or WebP.
  4. Download the converted file.

Fonctionnalités clés

What happens to transparency when converting to JPG?
JPG does not support transparency — transparent areas are filled with white. Keep PNG or WebP if you need see-through pixels.
Which format is smallest?
WebP typically produces files 25–35% smaller than JPG at equivalent quality, which is why it is the modern default for the web.

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