BMP to PNG

BMP stores pixels essentially uncompressed, so this is the conversion with the largest size drop of any on the site. Both are lossless, so the image is unchanged.

Runs in your browser // nothing is uploaded

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What survives the conversion

Derived from what each format is able to store, not from what the conversion promises.

Kept

Original pixel data (lossless)
Transparency, which BMP could not store

Lost

Nothing BMP carries is dropped by PNG.

Settings used

Re-encoded as PNG, lossless. Typical reduction is 60 to 90 percent.

When not to convert

Not if a legacy Windows application specifically requires BMP input.

About these formats

Image

What is a PNG file?

PNG is a lossless image format from 1996, created as a patent-free replacement for GIF. It preserves every pixel exactly and supports a full alpha channel, which makes it the right choice for screenshots, logos, UI assets and any image that will be edited repeatedly.

Read the format guide

Common questions

Does converting BMP to PNG lose anything?

Nothing this conversion can preserve is dropped. BMP stores pixels essentially uncompressed, so this is the conversion with the largest size drop of any on the site. Both are lossless, so the image is unchanged.

Are my files uploaded when I convert BMP to PNG?

No. The conversion runs in your browser tab, so the file is never transmitted and the page works offline once loaded.

What settings does Filoven use for BMP to PNG?

Re-encoded as PNG, lossless. Typical reduction is 60 to 90 percent.

When should I not convert BMP to PNG?

Not if a legacy Windows application specifically requires BMP input.