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Convert.bmp

Convert BMP to PNG online

100% localFiles never leave your device — no upload, no account, no tracking.
About BMP to PNG

Convert bulky BMP bitmaps into PNG, the lossless format that's a fraction of the size and opens everywhere. We decode the bitmap and re-encode a clean PNG locally.

The conversion runs entirely in your browser. Your BMP file never leaves your device.

How it works
  1. 01

    Add a BMP

    Drop your BMP file onto the page or pick it from your device.

  2. 02

    Convert

    Click Convert to decode the bitmap and write a PNG locally.

  3. 03

    Download

    Save the PNG image.

Features
lossless outputsmaller filesopens anywhere
Frequently asked
How does the BMP to PNG converter work?
Convert bulky BMP bitmaps into PNG, the lossless format that's a fraction of the size and opens everywhere. We decode the bitmap and re-encode a clean PNG locally.
Are my files uploaded to a server?
No. Everything runs entirely in your browser using local JavaScript and WebAssembly. Your files never leave your device.
Does it cost anything or require an account?
No. The converter is free, needs no sign-up, and runs locally in your browser.
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