Digital Storage Unit Converters
Convert digital sizes between GB, MB, and KB instantly. Preconfigured calculators for candidate photos and documents sizing constraints.
We never see your photo.
Zero File UploadsIt's processed right here on your device — not uploaded, not stored, not sent anywhere. Don't believe us? Turn off your WiFi after this page loads — it'll still work.
MB to KB Converter
Convert Megabytes (MB) to Kilobytes (KB) instantly using standard binary conversion math, or compress your actual image files below.
KB to MB Converter
Convert Kilobytes (KB) to Megabytes (MB) online, or upload and compress photo files from KB to MB locally.
GB to MB Converter
Convert Gigabytes (GB) to Megabytes (MB) instantly using our digital conversion calculator.
Understanding Digital File Sizes & Memory Limits
Quickly convert between megabytes, kilobytes, and gigabytes — useful for understanding file size requirements on exam forms, job portals, and storage limits. If you need to actually resize a real photo or document to a target size (not just check the math), each converter below links directly into our compression tools.
Unit Tools
MB to KB Converter
Convert Megabytes (MB) to Kilobytes (KB) instantly.
KB to MB Converter
Convert Kilobytes (KB) to Megabytes (MB) online.
GB to MB Converter
Convert Gigabytes (GB) to Megabytes (MB) instantly.
Compress Image
Compress files using custom quality or targets.
Frequently Asked Questions
What's the difference between MB, KB, and GB?
They're units of digital file size, each 1,024 times larger than the one before: 1 KB = 1,024 bytes, 1 MB = 1,024 KB, 1 GB = 1,024 MB.
Can I convert an actual photo, not just numbers?
Yes — each converter page links to our Compress Image tool, where you can upload a real file and shrink it to an exact target size.