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Convertissez BMP en PNG — Rapide, gratuit et confidentiel

Outil en ligne rapide, sécurisé et gratuit de BMP vers PNG

100 % Confidentialité
Traitement local
Ultra-rapide
Aucun téléversement requis
Fonctionne hors ligne
Sans Internet
Sans perte
Qualité originale
BMPPNG

Importez des fichiers à convertir en PNG

Glissez-déposez votre fichier ici ou cliquez pour sélectionner

Fichiers image, audio, vidéo et données pris en charge, jusqu'à 200 Mo

Aperçu

Avant · BMP
BMP
Après · PNG
PNG
1

Importer

Glissez-déposez votre fichier BMP dans la zone de conversion, ou cliquez pour sélectionner un fichier depuis votre appareil.

2

Convertir

Le navigateur traite la conversion automatiquement en local — aucun téléversement serveur nécessaire.

3

Télécharger

Cliquez sur le bouton de téléchargement pour enregistrer votre fichier PNG converti.

Pourquoi choisir OmniConvert ?

100 % Confidentialité

Vos fichiers sont traités dans votre navigateur. Ils ne sont jamais envoyés sur un serveur. Vos données vous appartiennent.

Vitesse éclair

Les fichiers sont traités localement à vitesse native. Pas d'attente de téléversement, pas de file d'attente, pas de limites.

Fonctionne hors ligne

Pas d'Internet ? Pas de problème. Installez en PWA et convertissez n'importe où.

Qualité sans perte

La qualité originale est préservée. Aucun artefact de compression ajouté.

Why convert BMP to PNG?

Converting from Bitmap Image (BMP) to Portable Network Graphics (PNG) is a common need in daily workflows. Whether you need better compression, transparency support, or wider compatibility, the right format makes all the difference.

With OmniConvert, the entire BMP to PNG conversion process happens right in your browser. There is no need to install desktop software, no file size restrictions, and no risk of your images being stored on third-party servers. The tool supports batch processing, so you can convert dozens of files in one go.

Key Benefits of OmniConvert

Privacy Protected

Your BMP files are converted locally in your browser. Never uploaded to servers.

Fast & Free

No waiting queues, no subscriptions. Convert unlimited files.

High Quality

Advanced algorithms ensure your PNG output preserves the highest quality.

Works Offline

Functions without internet after initial load via PWA support.

How to Use

1

Drag and drop your BMP file into the conversion area above.

2

The browser processes the conversion instantly — no waiting required.

3

Click the download button to save your new PNG file.

BMP vs PNG: Quick Comparison

Feature BMP PNG
CompressionUncompressed (typically)Lossless
TransparencyNoYes (alpha channel)
Color Depth1/4/8/16/24/32-bit8/16/24/32-bit
AnimationNoLimited (APNG)
Best ForRaw image data, Windows graphicsLogos, screenshots, graphics with text

Understanding BMP and PNG Formats

BMP is best suited for raw image data, windows graphics. It uses uncompressed (typically) compression and does not support transparency. On the other hand, PNG excels at logos, screenshots, graphics with text, using lossless compression and supporting transparency. Understanding these differences helps you choose the right format for each project and workflow.

Common Use Cases for BMP to PNG Conversion

Web developers switching from BMP to PNG for better browser support or performance.

Social media content creators converting images to the PNG format required by their platform.

Reducing file sizes by converting BMP to more efficient PNG format to save storage space.

Preparing images in PNG format for specific software or workflow requirements.

Pro Tips for BMP to PNG Conversion

For batch conversions, simply drag multiple BMP files at once — OmniConvert handles them all simultaneously.

OmniConvert works entirely offline after the first load, making it perfect for converting sensitive or confidential images.

The converted PNG files maintain the original resolution and dimensions. No resizing occurs during conversion.

Questions fréquentes

Is it safe to convert BMP to PNG online?

Yes. OmniConvert processes all files directly in your browser using client-side JavaScript. Your BMP files are never uploaded to any server. The conversion happens entirely on your device, ensuring complete privacy.

Will I lose quality converting BMP to PNG?

Both BMP and PNG use lossless compression, so the conversion preserves 100% of the original image quality. No data is lost during the process.

What is the difference between BMP and PNG?

BMP is an uncompressed format with very large file sizes. PNG offers lossless compression that significantly reduces file size while preserving perfect image quality and adding transparency support.

Do I need to sign up to convert BMP to PNG?

No. OmniConvert is completely free and requires no registration, no email, and no account. Just open the page and start converting immediately.

What is the file size limit for BMP to PNG conversion?

OmniConvert supports files up to approximately 100 MB. Since the conversion runs in your browser, the actual limit depends on your device's available memory. Most common files convert without any issues.

Convertir BMP vers d'autres formats

Convertir d'autres formats en PNG

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