Convert BMP to PNG

Convert BMP images to PNG in seconds, right in your browser. No upload, no signup and no watermark.

Your file never leaves your device.

How to convert BMP to PNG

The BMP is decoded on your device and re-encoded as PNG with the browser's own graphics engine. Because nothing is uploaded, even dozens of photos convert quickly and privately. PNG is lossless and supports transparency, ideal for screenshots, logos and graphics with text.

Step 1: Choose your BMP file
Drag and drop a .bmp, .dib file onto the converter or click to browse. It works on desktop, tablet and phone.
Step 2: Convert to PNG
Each image is converted to PNG immediately.
Step 3: Download the PNG
Save each result individually, or download everything as a single ZIP when you convert several files.

Good to know

Photo metadata (EXIF, GPS location) is removed from the converted image, which is good for privacy.

Why use this BMP to PNG converter?

Batch conversion: drop several images at once and download a ZIP.
Nothing is uploaded, so personal photos stay private.
Original resolution is kept.
No watermark, no account, no app to install.

Is it free?

Yes. Converting BMP to PNG is free, with no watermark, signup or email required. Local conversions have no artificial file-size or daily cap; the practical limit is your device.

Is my file uploaded?

The BMP file is processed entirely in your browser. It is never uploaded, never stored and never seen by anyone, so this is safe for confidential files.

About the formats

What is BMP?

BMP, also called DIB (device-independent bitmap), is a raster image format that Microsoft introduced with Windows. It usually stores every pixel uncompressed, so image quality is untouched but files are very large. The format is simple and widely readable, yet it offers little that PNG does not do better.

Use BMP only when an old program, a device or an embedded system specifically requires it. For everyday use, convert BMP files to PNG to keep the same quality at a fraction of the size, or to JPG for photos.

BMP (Windows bitmap)

What is PNG?

PNG (Portable Network Graphics) is a lossless image format created in the mid-1990s as an open replacement for GIF. It keeps every pixel exactly as it was and supports an alpha channel, so images can have smooth, partial transparency. Photos saved as PNG are much larger than the same photos as JPG.

Use PNG for logos, icons, screenshots, diagrams and any image with sharp edges, text or a transparent background. For photographs where file size matters, JPG or WebP are usually better choices.

PNG (Portable Network Graphics)

Frequently Asked Questions

Is BMP to PNG conversion free?

Yes. It is free, with no watermark, signup or email required. Local conversions have no artificial file-size or daily cap; the practical limit is your device.

Will converting BMP to PNG reduce quality?

No additional quality is lost: PNG stores the decoded pixels losslessly.

Is the image resolution changed?

No. The PNG keeps the exact width and height of the original. Use the Resize Image tool if you need smaller dimensions.

Is it safe to convert bmp to png here?

Yes. The work happens on your own device with WebAssembly and browser APIs, so the file is not uploaded at all. You can even disconnect from the internet once the page has loaded.

Do I need to install anything?

No. Everything runs in a modern browser (Chrome, Edge, Firefox or Safari) on Windows, macOS, Linux, Android and iOS. There is no app, plugin or account.

Can I convert PNG back to BMP?

Yes, there is a dedicated PNG to BMP converter linked in the related tools below. Keep in mind that information dropped in one direction cannot always be restored in the other.

Need the opposite? Convert PNG to BMP

ImagesProcessed locally