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Convert BMP to PNG Online

Need to turn a BMP file into PNG? BMP is an old Windows bitmap that stores pixels uncompressed. Files are large because nothing is compressed, but it is dead simple and lossless, which is why it still shows up in legacy Windows tools. PNG (Portable Network Graphics) is a lossless format built for graphics rather than photos. It keeps every pixel exactly and supports a full alpha channel, so it is the go-to for logos, icons, screenshots and anything with transparency or crisp edges. Converting from BMP to PNG bridges the two: you keep the picture, but in a format that fits where you are taking it.

BMP PNG
Convert now All converters

Drop a BMP file or browse

Up to 16 MB

Create a free account to convert and save your files.

BMP vs PNG: format comparison

Why convert BMP to PNG?

People convert BMP to PNG when they need wider compatibility or a better fit for the job: PNG adds transparency support; PNG keeps every pixel and supports transparency. img.now keeps the full resolution and uses high-quality encoding so the result stays sharp.

BMPPNG
TypeRaster (uncompressed)Raster graphic
CompressionNoneLossless
TransparencyNoYes
AnimationNoNo

What to expect converting BMP to PNG

File size

PNG greatly reduces size through lossless compression while keeping every pixel of the BMP.

Quality

All pixels are retained exactly with no quality loss, and an alpha channel becomes available.

Best used when

You want to losslessly compress a BMP and optionally add transparency.

Think twice when

A legacy tool specifically demands the raw uncompressed BMP.

Converting BMP to PNG with img.now

About BMP and PNG

BMP

BMP is an old Windows bitmap that stores pixels uncompressed. Files are large because nothing is compressed, but it is dead simple and lossless, which is why it still shows up in legacy Windows tools.

  • Lossless and extremely simple
  • No decoding overhead
  • Universally readable on Windows

PNG

PNG (Portable Network Graphics) is a lossless format built for graphics rather than photos. It keeps every pixel exactly and supports a full alpha channel, so it is the go-to for logos, icons, screenshots and anything with transparency or crisp edges.

  • Lossless - No quality loss
  • Full transparency (alpha channel)
  • Sharp on text, lines and flat colour

Convert BMP to PNG in three steps

1

Upload your BMP

Drop in a BMP file from your device, up to 16 MB. BMP files are read automatically.

2

We convert it to PNG

img.now re-encodes your image as PNG at full resolution on our servers - No quality lost to resizing.

3

Download the PNG

Grab the result instantly. It is also saved to your files so you can come back to it.

Convert BMP to PNG

Do more with your PNG

Once it is converted, keep editing in the same workspace.

CompressShrink the file ResizeSet exact pixels CropAny ratio or circle UpscaleUp to 8x bigger Remove BGTransparent cutout

Need a different conversion? Browse all file converters.

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BMP to PNG - Questions

What is a BMP file?
BMP is an old Windows bitmap that stores pixels uncompressed. Files are large because nothing is compressed, but it is dead simple and lossless, which is why it still shows up in legacy Windows tools.
Why convert BMP to PNG instead of keeping BMP?
People convert BMP to PNG when they need wider compatibility or a better fit for the job: PNG adds transparency support; PNG keeps every pixel and supports transparency. img.now keeps the full resolution and uses high-quality encoding so the result stays sharp.
Will I lose quality converting BMP to PNG?
img.now keeps the full resolution. PNG is lossless, so every pixel is preserved.
Is converting BMP to PNG free?
You can try img.now on the free plan. Paid plans add higher limits, faster processing and longer file storage.
Will the quality drop when I convert BMP to PNG?
We keep the original resolution and use high-quality encoding. PNG is lossless, so no detail is lost.
Do you keep my files?
Files are processed on our servers and saved to your account. Free files are removed after 24 hours; paid plans keep them longer.

Do more than convert

img.now also generates images from text, upscales, removes backgrounds and edits - All in one workspace, saved to your account.

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Convert BMP to PNG