File Size Converter

Convert data storage units between Bytes, KB, MB, GB, TB, PB, and binary units (KiB, MiB, GiB).

🛡️ Privacy Protected: Your selected file is processed in your browser. Some tool libraries or AI models may require an internet connection to load.
Local Processing

How to Use File Size Converter

  1. Step 1: Enter any numerical file size value into the input field.
  2. Step 2: Select your source data unit from the dropdown (Bytes, KB, MB, GB, TB, PB, KiB, MiB, GiB, TiB).
  3. Step 3: Choose your calculation standard: Decimal SI (Base 10, 1000) or Binary IEC (Base 2, 1024).
  4. Step 4: View instant conversion across all storage units in the live table, with one-click copy buttons.

Settings & Controls Explained

One Resizer's File Size Converter provides specialized browser-local controls tailored to its workflow:

Supported Formats & Technical Capabilities

Specification Technical Capability
Accepted Input Formats Numerical value + source storage unit
Output File Formats Multi-unit real-time conversion table
Processing Engine Client-Side IEEE-754 Arithmetic
Network Privacy Local browser processing (0 bytes uploaded)

Best Practices & Key Recommendations

Troubleshooting & Common Issues

Frequently Asked Questions

You can convert between Bytes (B), Kilobytes (KB), Megabytes (MB), Gigabytes (GB), Terabytes (TB), Petabytes (PB), and binary units (KiB, MiB, GiB, TiB).

Decimal SI uses powers of 1,000 (1 KB = 1,000 Bytes, standard in storage marketing), while Binary IEC uses powers of 1,024 (1 KiB = 1,024 Bytes, standard in operating systems RAM/disk allocation).

Yes, adjust the decimal places slider from 0 to 6 places to see exact rounded figures.