FlashFile

Convert Images

BMP to PNG

Modernise old BMP bitmaps into compact PNG files.

Runs entirely in your browser — the file never leaves this device

✅

100% FREE

No subscription required

🔒

COMPLETELY PRIVATE

Your files are never uploaded anywhere

⚡

CLIENT-SIDE PROCESSING

All conversions happen in your browser only

🛡️

YOUR DATA IS YOURS

We process everything locally on your device

Drop your files here

or click to choose from your device

Select files

About BMP to PNG

Modernise old BMP files into compact, lossless PNGs.

How to use BMP to PNG

  1. 1Click "Select files" or drag and drop BMP bitmaps into the box above.
  2. 2Press "Run BMP to PNG". The conversion runs on your own device, usually in a few seconds.
  3. 3Download PNG images. Nothing is uploaded or stored on any server.

Frequently asked questions

Is the BMP to PNG tool free?

Yes. It is completely free, with no sign-up, no watermark and no daily limit.

Are my files uploaded to a server?

No. FlashFile processes your files entirely inside your browser, so they never leave your device.

Is there a file size limit?

There is no fixed limit. Files up to about 200 MB work on most computers; very large files depend on your device memory.

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