SEERSeerKits

Convert BMP to PNG Online

BMP files are uncompressed and enormous — a single screenshot can exceed 10 MB. SeerKits converts BMP to PNG with lossless compression, typically reducing file size by 50–80% while preserving every pixel. PNG also supports transparency, making it better for web use and modern workflows. Convert locally in your browser without uploading to a server. Free for everyday image sizes with no account required.

Open Image Converter

How It Works

How to convert BMP to PNG with SeerKits

  1. 1

    Upload BMP files

    Add one or more .bmp images. SeerKits shows original file sizes so you can compare savings after conversion.

  2. 2

    Select PNG output

    Choose PNG as the target format. Dimensions and color depth are preserved during conversion.

  3. 3

    Download PNG

    Convert and save PNG files. Run through Image Compressor afterward if you need even smaller sizes for web use.

Frequently Asked Questions

How much smaller is PNG compared to BMP?
PNG lossless compression typically reduces BMP file size by 50–80%. Exact savings depend on image complexity and color depth.
Is any quality lost converting BMP to PNG?
No. Both BMP and PNG are lossless formats. Every pixel is preserved exactly during conversion.
Is BMP to PNG conversion free?
Yes. Convert BMP images up to 25 MB each on the free web tier without an account.
Can I batch-convert multiple BMP files?
Yes. Upload several BMP files at once and download all PNG results in one session.

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Ready to get started?

Use the free Image Converter — no account required, files processed locally in your browser.

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