Smart Maker
Smart Maker

Smart Maker

Professional Builder

All Image Tools

BMP to PNG

Convert BMP bitmap images into high-quality PNG files directly inside your browser.

Browser Processing
Lossless PNG
No File Storage

Select BMP Image

Upload a BMP image from your device

Select BMP

JPG, PNG and WebP • Maximum file size: 30 MB

01
01

Upload BMP

Select a BMP bitmap image from your device.

02
02

Convert to PNG

Choose the output dimensions and convert the image locally in your browser.

03
03

Download PNG

Preview and download the final high-quality PNG image.

BMP to PNG Converter – Convert BMP Bitmap to PNG Online Free

BMP is old bitmap format – large size, no transparency, not web friendly. The BMP to PNG tool by Smart Maker converts BMP to high-quality PNG with lossless compression, no JPEG artifacts. Choose output size width/height with aspect ratio lock, optional background color, file name. Browser processing, free, max 30 MB.

What can you do?

  • BMP to PNG lossless – no compression artifacts, keeps quality
  • Output Size customizable – Width and Height inputs min 1 max 12000px
  • Lock Aspect Ratio toggle – keeps ratio when resizing
  • Add Background toggle – Fill canvas before drawing BMP, Background Color picker
  • Preview – Original BMP and PNG Result side by side with checkerboard background for transparency
  • File Name – .png suffix
  • Result – {result.width} x {result.height}px, formatted output size, Download PNG button
  • Progress {progress}% bar
  • Browser processing – private, no file storage

Why BMP to PNG?

BMP files are huge – 10x bigger than PNG for same image. BMP not supported well on web, apps, phones. PNG is modern, lossless, supports transparency, smaller size, widely supported. Converting BMP to PNG saves storage, makes sharing easy, keeps quality 100% unlike JPG which loses quality. BMP from Paint, old cameras, scanners need conversion.

How to convert BMP to PNG

  1. Select BMP Image – upload max 30 MB, preview shows.
  2. See Original BMP preview and PNG Result empty placeholder.
  3. Set Output Size – Width and Height, Lock Aspect Ratio if needed.
  4. Enable Add Background if you want solid background color, pick color.
  5. Enter File Name – .png auto added.
  6. Click Convert BMP to PNG – Converting {progress}% shown.
  7. Download – PNG is ready, shows dimensions and size, Download PNG button.

Privacy and pricing

Conversion happens locally in browser. BMP image never uploaded. PNG uses lossless compression, no JPEG artifacts. Free forever, no signup. Only resume and biodata need login.