JPEG to BMP Online Converter

Convertissez votre fichier JPEG au format BMP en 3 clics simples.

BMP⌄

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⚙ Paramètres facultatifs

Resize

Color Filter

DPI

dpi

Crop (px)

Convert JPEG to BMP Online

BMP is Windows' foundational bitmap format, used natively by the operating system for wallpapers, icons, and legacy software. Converting JPG to BMP removes all compression to produce raw pixel data — the simplest possible image representation. While the resulting files are large, they load instantly without a decode step, which matters in performance-critical or embedded environments. Many older Windows applications, embedded systems, and game engines only accept BMP as input.

When to Convert JPEG to BMP

⚙️

Windows native

BMP is the OS-level format for Windows wallpapers, custom cursors, and system resources.

🎮

Retro game dev

Classic game engines like RPG Maker require BMP for sprites, tilesets, and splash screens.

🔬

Scientific imaging

Lab and medical imaging software demands uncompressed BMP for exact pixel-level processing.

🛠️

Direct pixel access

BMP's simple structure allows direct memory access without a decoder — fast for real-time use.

JPEG vs BMP — Format Comparison

Property	JPEG (input)	BMP (output)
Format type	Raster	Raster
Compression	Lossy	None
Transparency	No	No
Best used for	Photos, web images	Legacy Windows apps
File size	Small	Very Large

ℹ️ Important note

BMP files can be 10–20× larger than equivalent JPG files. Verify your target system has enough storage before batch-converting large image libraries to BMP.

Comment convertir JPEG en BMP ?

Téléchargez votre fichier JPEG

Cliquez sur "Choisir un fichier" ou faites glisser votre image JPEG.

Sélectionnez BMP comme format de sortie

Choisissez "BMP" comme format de sortie dans le menu déroulant.

Convertir le fichier

Cliquez sur "Convertir maintenant" pour démarrer la conversion de JPEG en BMP.

Téléchargez le fichier BMP

Une fois la conversion terminée, téléchargez votre fichier BMP converti.

JPEG

File extension.jpeg
DescriptionJPEG is the most widely used lossy image compression format, ideal for photographs and complex images with many colors.
Associated programsAdobe Photoshop, GIMP, Windows Photo Viewer, Preview (Mac)
Developed byJoint Photographic Experts Group
MIME typeimage/jpeg

BMP

File extension.bmp
DescriptionBMP (Bitmap) stores uncompressed bitmap digital images independently of the display device. Large file sizes but no quality loss.
Associated programsMicrosoft Paint, Adobe Photoshop, GIMP, MS Photo Editor
Developed byMicrosoft
MIME typeimage/bmp