BMP to PNG Converter

Convert BMP images to PNG instantly and privately. Everything happens on your own device — nothing is uploaded to a server.

Drop your BMP file here

Accepted: .bmp · Max 40MB

Choose File

Files stay on your device — nothing is uploaded.

What is BMP to PNG conversion?

BMP to PNG conversion changes a Bitmap Image File image into Portable Network Graphics. BMP is an uncompressed (or minimally compressed) raster format originally built for Windows. Every pixel is stored directly, so files are lossless but often very large. PNG is a lossless raster format designed for the web. It preserves every pixel exactly and supports full alpha-channel transparency, making it the standard choice for graphics, logos, and screenshots. Converting between the two lets you pick whichever format best fits where the image is headed next.

How to convert BMP to PNG

Choose a BMP file using the drop zone above (or drag and drop it in).
Wait a moment while your browser converts the file locally.
Click "Download" to save your new PNG file.

Why convert BMP to PNG?

Converting to PNG is useful when you need a lossless, artifact-free image — for example before further editing, or when the image needs a transparent background that BMP can't provide.

BMP vs PNG

Property	BMP	PNG
Compression	Uncompressed	Lossless
Transparency	Not supported	Supported
Animation	Not supported	Not supported
Typical use	Legacy Windows applications	Logos and icons

Is this conversion private?

Yes. This BMP to PNG converter runs entirely in your browser using the Canvas API — your file is never uploaded to our servers, stored, or logged. Closing this tab discards everything.

Supported browsers

This converter works in all modern browsers, including Chrome, Firefox, Safari, and Edge, on both desktop and mobile (Android and iOS).

Frequently Asked Questions

How do I convert BMP to PNG?: Choose a BMP file using the drop zone or "Choose File" button above. The converter runs in your browser using the Canvas API and gives you a "Download" button for the resulting PNG file — no upload, no waiting on a server.
Is this BMP to PNG converter free?: Yes. The converter is completely free with no sign-up, no watermark, and no limit on how many files you convert.
Are my files uploaded to a server?: No. This conversion happens entirely inside your browser using the Canvas API. Your file is never uploaded, stored, or transmitted anywhere.
Does converting BMP to PNG reduce quality?: PNG uses lossless compression, so no additional quality is lost during conversion — you're trading file size for pixel-perfect accuracy.
Can I use this converter on my phone?: Yes. The converter works on any modern mobile browser on Android or iPhone, as well as desktop browsers like Chrome, Firefox, Safari, and Edge.
What is the maximum file size I can convert?: Because conversion happens on your own device, the limit depends on your browser and device memory. We recommend keeping individual files under 40MB for the smoothest experience.

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What is BMP to PNG conversion?

Property

BMP

PNG

Compression

Uncompressed

Lossless

Transparency

Not supported

Supported

Animation

Not supported

Typical use

Legacy Windows applications

Logos and icons

Frequently Asked Questions

How do I convert BMP to PNG?

Choose a BMP file using the drop zone or "Choose File" button above. The converter runs in your browser using the Canvas API and gives you a "Download" button for the resulting PNG file — no upload, no waiting on a server.

Is this BMP to PNG converter free?

Yes. The converter is completely free with no sign-up, no watermark, and no limit on how many files you convert.

Are my files uploaded to a server?

No. This conversion happens entirely inside your browser using the Canvas API. Your file is never uploaded, stored, or transmitted anywhere.

Does converting BMP to PNG reduce quality?

PNG uses lossless compression, so no additional quality is lost during conversion — you're trading file size for pixel-perfect accuracy.

Can I use this converter on my phone?

Yes. The converter works on any modern mobile browser on Android or iPhone, as well as desktop browsers like Chrome, Firefox, Safari, and Edge.

What is the maximum file size I can convert?

Because conversion happens on your own device, the limit depends on your browser and device memory. We recommend keeping individual files under 40MB for the smoothest experience.