Scientific Unit Converter
High-precision conversion across physical quantities, digital storage, and metrics.
1 Gigabyte (GB) = 1,024 Megabytes (MB)
Formula: Exact IEEE standard representation with standard SI prefixes (Decimal 10^n and Binary 2^n compliant).
Markdown Input
Write Markdown with live rendering and syntax parsing.
Live Preview
HTML Rendered Output
Text Analyzer & Cryptographic Hashes
Instant SHA-256 calculation, Base64 conversion, character count, and frequency analysis.
Words: 2
Chars: 13
Lines: 1
Bytes: 13
Computing...
SGVsbG8sIFdvcmxkIQ==
Hello%2C%20World!
JSON Formatter & Validator
Validate, beautify, and inspect JSON objects with structural validation.
Color Contrast & Accessibility Tester
Check WCAG 2.1 AA/AAA compliance for foreground and background color combinations.
Accessible Omni Typography Sample
Contrast Ratio: 8.42:1 (Passes WCAG AAA)