You're in good company:
Zamzar has converted over 510 million files since 2006
Convert different files into black and white
You can use Zamzar to process a wide range of different files - just click on a format to get started:
Why convert PNGs to black and white?
Imagine you’re designing a logo or preparing an image for printing, but the colours just don’t translate well on paper. Or maybe you’re uploading a photo to a website, and the file size is slowing things down. What’s going on? Colour PNGs can be surprisingly heavy, especially if they include multiple layers or transparency. Converting your PNG to black and white instantly makes it lighter, simpler, and often sharper, perfect for when you need speed and efficiency.
You might also want a black-and-white PNG for stylistic reasons. Monochrome images can look more professional or timeless, making them ideal for branding, documents, or minimalist designs. Plus, if you’re printing, black-and-white images use far less ink and produce consistent results across different printers.
An online file converter makes it easy to turn any PNG into crisp black and white without losing detail. It’s quick, simple, and can make your images smaller, cleaner, and easier to share or print. Handy, right?
Fast Downloads
Zamzar has been around since 2006, and in that time we have worked day and night to make sure your files get converted as quickly as they possibly can.
Secure
All traffic to and from our servers is secured by transport-level security, using 128-bit SSL to encrypt the data sent between your systems and ours.
Very Experienced
We’ve built up quite the armoury of file conversions, with over 1100 different file conversions now supported.
Real-time Conversions
Even though your file is converted in real time, you can still get a copy of the converted file sent to your email address should you need it.