💾 Converters

Byte Size Converter

Convert file sizes between bits, bytes, KB, MB, GB, TB and PB. Supports SI (decimal) and IEC (binary) scales. Instant result.

SI vs IEC — what's the difference?

The SI (decimal) standard uses base 10: 1 KB = 1,000 bytes. Used by disk manufacturers and internet providers. The IEC (binary) standard uses base 2: 1 KiB = 1,024 bytes. Used by operating systems when reporting file sizes in RAM.

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Base64 Converter

Encode text to Base64 or decode Base64 strings back to the original. Free online tool with no server required.

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URL Encode / Decode

Encode text for safe use in URLs (percent-encoding) or decode URL-encoded strings back to the original. Processed in the browser.

Binary Code Translator

Convert text to binary code (0s and 1s) and vice versa. Supports any ASCII character. Processed in the browser.