BMP en JPG

Convertissez des images BMP au format JPG gratuitement en ligne. Compressez instantanément vos bitmaps.

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Fichier trop volumineux. La limite est de 100 Mo.

Supporté : .bmp (Max 100 Mo)

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info À propos de cet outil
Convertissez des images bitmap BMP non compressées au format JPG efficaces.

File size: JPG output is typically 95–99% smaller than the original BMP, which stores pixel data with no compression.

Quality: BMP is lossless and fully detailed. Converting to JPG at 85% quality introduces minimal perceptual loss for photographic content.

format_list_numbered Comment convertir
  • 1
    Importez votre fichier BMP.
  • 2
    L'outil compresse les données de l'image.
  • 3
    Téléchargez le JPG.
help FAQ

How much smaller will the JPG be?

BMP files are completely uncompressed, so JPG output is typically 95–99% smaller. A 10 MB BMP screenshot commonly produces a 100–300 KB JPG.

Will I see any quality difference?

At 85% JPG quality, the visual difference is imperceptible for photographs and screenshots. Flat-color graphics may show slight edge artifacts.

Does BMP support transparency?

Some BMP variants support alpha channels, but transparency is not preserved in JPG. Transparent areas become white.

Why does Windows use BMP?

BMP is a legacy format developed by Microsoft in the 1980s. Windows Paint and older screen capture tools default to BMP. Modern tools prefer PNG or JPG.
lightbulb Common use cases
  • check_circle Compressing Windows Paint exports or legacy screenshot files
  • check_circle Reducing BMP files from older scanning software for email sharing
  • check_circle Converting bitmap exports from industrial or scientific equipment
  • check_circle Making legacy BMP archives usable on modern web platforms
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