BMP to PNG
Convert BMP to lossless PNG with transparency preserved. Free, browser-based, no upload.
Drop a BMP image to convert to PNG
Processed in your browser — nothing uploads
🔒 100% Browser-Based
Your image is processed entirely in your browser. Nothing is uploaded. Verify in DevTools → Network tab — zero outbound traffic with file content.
About BMP to PNG
Convert BMP images to PNG right in your browser — no upload, no signup, no watermark. BMP is an old uncompressed bitmap format with very large files. PNG is lossless and supports transparency — best for graphics, logos, and screenshots. Your file is processed locally and never leaves your device.
Frequently asked questions
How do I convert BMP to PNG?
Drop your BMP file onto the tool above, click Convert, then download the PNG. It all happens in your browser — nothing is uploaded.
Is converting BMP to PNG free?
Yes — completely free, with no signup, no watermark, and no file limits.
Will the PNG lose quality?
No — PNG is lossless, so the PNG matches the source exactly.