To get the png format file, you just follow these steps:
Step 1 : Upload bmp file you want to convert
Go to free bmp file conversion to png file or at File Zigzag main page and upload your bmp file by clicking the browser for the file there. If you have any secret and important data and you have any fear of leaking it. Then don't worry because the File Zigzag deletes all the data within 30 minutes of the file being converted which is included in the privacy policy. So, It's a secure and trustworthy platform.
Step 2: Start Converting Files
After uploading the file just click on a start button that will zig-zag your file. And covert it from bmp file to png file within a seconds.