BMP to PNG Converter
BMP to PNG Converter is a free online tool that turns BMP images into PNG format directly in your browser. BMP (Bitmap) is an uncompressed raster format that produces very large files. PNG is a lossless raster format that supports transparency, ideal for logos, icons and screenshots. Drop your BMP file and download the PNG instantly — your file never leaves your device, with no upload, server or sign-up required.
Your files never leave your device. Conversion runs locally in your browser using the HTML canvas API. No upload, no server, no storage.
How to Convert BMP to PNG Online
- 01
Add your BMP file
Drag and drop your BMP image onto the tool, or click to browse. Add up to 5 files at once.
- 02
Convert
Click Convert — your BMP is rendered to a canvas and re-encoded as PNG instantly.
- 03
Download your PNG
Preview the result and download your PNG image. Nothing is ever uploaded to a server.
Features
- ✓Convert BMP images to PNG
- ✓Batch-convert up to 5 files at once
- ✓Lossless PNG output
- ✓High-quality conversion
- ✓Instant preview before download
- ✓100% client-side — files never leave your device
- ✓No login, no upload, no watermark
- ✓Works on desktop and mobile browsers
Frequently Asked Questions
How do I convert BMP to PNG?
Drop your BMP file onto the converter (or click to browse), then click Convert and download your PNG image. Everything happens in your browser — no upload required.
Is my BMP file uploaded to a server?
No. The conversion runs entirely in your browser using the HTML canvas API. Your BMP file never leaves your device and is never sent to any server. You can verify this by opening Chrome DevTools → Network while converting.
Does the PNG keep transparency?
BMP has no transparency to preserve, but the resulting PNG is lossless and can have transparency added later in an image editor.
Can I convert several BMP files at once?
Yes. You can add up to 5 BMP files and convert them in one batch, then download each PNG individually or all together.
Is the BMP to PNG converter free?
Yes, it is completely free with no account, sign-up or watermark. There are no limits on how many images you convert.
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