Hex Converter & Viewer
Conversions:
About This Online Hex Converter & Viewer
This free online hex converter provides a comprehensive solution for all your hexadecimal needs. Convert between hex, decimal, binary, octal, text/ASCII, and more. View hex dumps of files, preview hex colors, handle large integers with BigInt support, and customize outputs with separators, prefixes, and cases.
Key features include:
- Number Conversions: Hex to decimal/binary/octal and vice versa, with signed/unsigned support and unlimited size.
- Text ↔ Hex: Encode/decode text to hex with UTF-8, ASCII, UTF-16, customizable formatting.
- Hex Dump Viewer: Upload files for detailed hex dumps with offsets, hex bytes, ASCII representation, and search.
- Color Preview: Automatic RGB/RGBA color swatch for 6/8-digit hex inputs.
- Error Handling: Validates inputs, handles invalid characters, odd-length hex, empty inputs.
- Copy & Download: One-click copy for outputs, download hex dumps as text.
- Theme Switching: Light/dark modes for better usability.
- Secure: All processing in-browser, no data sent to servers.
What is Hexadecimal?
Hexadecimal (hex) is a base-16 number system using digits 0-9 and A-F. It's commonly used in computing for memory addresses, colors (#RRGGBB), and binary data representation as it's more compact than binary.
Frequently Asked Questions (FAQ)
- Is this hex converter free?
- Yes, completely free with no limits.
- Does it support large hex numbers?
- Yes, uses BigInt for arbitrary size, handling test cases like very large or negative values.
- How secure is my data?
- Processed client-side; no uploads to servers.
- Can I convert text to hex?
- Yes, with multiple encodings and formatting options.
- What if input is invalid?
- Detailed errors for invalid chars, odd hex length, etc.
- Does it handle file hex dumps?
- Yes, upload any file for formatted dump with search.
- Can I preview hex colors?
- Yes, for #RRGGBB or #RRGGBBAA inputs.