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Compresser Image

Compressez des images JPG, PNG et WebP pour réduire la taille en préservant la qualité. Idéal pour le web, l'email et les réseaux sociaux. Gratuit, instantané.

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Supporte JPG, PNG, WebP — jusqu'à 50Mo

Questions Fréquentes

How much can I compress without losing quality?

For JPEG: 75-85% quality is visually lossless for most photos. For PNG: lossless compression reduces size by 10-30%. For WebP: 80% quality gives excellent results. The human eye can't distinguish differences above 85% quality.

Does compression affect image dimensions?

No — compression only reduces file size, not pixel dimensions. Your image keeps the same width and height. For dimension changes, use our Image Resize tool.

Comment Utiliser

1

Upload Image

Drag and drop or click to select your image file.

2

Set Compression

Adjust the quality slider. Lower values = smaller files. Preview shows the result before downloading.

3

Download

Download your compressed image. Compare the before/after file sizes.

Conseils et meilleurs réglages

Tips

For email attachments: compress to 70% quality (under 1MB). For websites: 75-80% is ideal. For print: keep 90%+ quality. Always check the before/after preview to ensure acceptable quality.