About MBtoKBConvert
Practical browser-based tools for everyday file work.
A little less friction
MBtoKBConvert brings file conversion, image processing, PDF utilities, and storage calculations into one free toolkit. You do not need to create an account.
Built for clear answers
We distinguish decimal from binary units, report actual output sizes, and explain processing limits. Image and PDF tools run on your device using browser APIs and open-source libraries.
Keep your originals
Re-encoding images may lose metadata. Rasterizing PDFs removes interactive and text features. Always check the result and retain a source copy.