BMP to PNG converter

Convert Bitmap images to PNG in seconds — free, with no sign-up and no watermark. Drag your BMP files in below and they're converted right on your device, then download. Lossless format with transparency. Perfect for logos, screenshots, icons, and graphics with sharp edges.

Drop BMP files here
or click to choose · or paste from clipboard

    Processed on your device — no upload request is made.

    How to convert BMP to PNG

    1. Drag your BMP file(s) into the box above, or click to choose them.
    2. Each image is decoded and re-encoded as PNG instantly, right in your browser.
    3. Click “Download” on a file, or “Download all” to save every converted PNG.

    BMP vs PNG: which should you use?

    BMP (Bitmap) — An uncompressed Windows bitmap. Huge files with no quality loss — almost always worth converting to PNG or JPG.

    PNG (PNG) — Lossless format with transparency. Perfect for logos, screenshots, icons, and graphics with sharp edges.

    Convert BMP → PNG when you want lossless quality. Keep BMP if lossless matters more.

    Frequently asked questions

    How do I convert BMP to PNG for free?

    Drop your BMP files into the tool above and they're converted to PNG instantly, then you download them. It's free, needs no sign-up, and adds no watermark.

    Will I lose quality converting BMP to PNG?

    PNG is lossless, so your image's pixels are preserved exactly.

    What's the difference between BMP and PNG?

    BMP: An uncompressed Windows bitmap. Huge files with no quality loss — almost always worth converting to PNG or JPG. PNG: Lossless format with transparency. Perfect for logos, screenshots, icons, and graphics with sharp edges.

    Can I convert several BMP files at once?

    Yes. Drop in a batch and they all convert to PNG; use “Download all” to grab them together.

    Are my images uploaded to a server?

    No. Unlike most online converters, nothing is uploaded to a server. The conversion happens entirely inside your web browser using your device's own processing, so your images never leave your computer or phone. You can even disconnect from the internet after the page loads.

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