Developer
Toolin.io

Bytes Converter

Convert between bytes, KB, MB, GB, TB units

Input Value

Size Reference

A single character (ASCII)1 B
A text email5 KB
A high-resolution photo5 MB
A song (MP3)3-5 MB
1 hour of HD video3 GB
A full-length HD movie4-8 GB
A 4K movie25-100 GB
A modern AAA video game50-150 GB

Binary vs Decimal

Binary (base 1024): Used by operating systems and memory. 1 KiB = 1024 B, 1 MiB = 1024 KiB

Decimal (base 1000): Used by storage manufacturers and SI standard. 1 KB = 1000 B, 1 MB = 1000 KB

About Bytes Converter

What is Bytes Converter?

Convert between all file size units: bytes, KB, MB, GB, TB, PB. Toggle between binary (KiB, 1024-based) and decimal (KB, 1000-based) modes. Includes common file size references.

Features & Benefits

  • Convert between B, KB, MB, GB, TB, PB instantly
  • Toggle binary (1024) vs decimal (1000) mode
  • All conversions displayed simultaneously
  • Common reference: photo sizes, video sizes, email sizes
  • Auto-parse pasted values like '2.5 GB'
  • Clean, responsive interface

Frequently Asked Questions

What's the difference between KB and KiB?
KB (kilobyte) = 1,000 bytes (decimal). KiB (kibibyte) = 1,024 bytes (binary). The distinction matters for accuracy.
Which mode do operating systems use?
Windows uses binary (1024) but labels it KB/MB. macOS uses decimal (1000). Linux varies by tool.
What's a typical photo size?
A smartphone photo is typically 3-8 MB. A DSLR RAW file is 25-50 MB. A web-optimized image is 50-500 KB.

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100% Private & Secure

This tool runs entirely in your browser. Your files and data never leave your device and are not uploaded to any server.