Binary/Octal/Hex Text Converter
Convert text to binary, octal, or hex representations and decode them back to readable text. Supports 0b/0o/0x prefixes, custom spacing, byte grouping, and automatic format detection. All conversions happen in your browser — no uploads, no signup.
Convert text to binary, octal, or hex representations — and back. Supports configurable spacing, prefix (0b, 0o, 0x), byte grouping, and automatic format detection. All processing runs in your browser.
Format Options
Quick Samples
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All conversions run entirely in your browser. Your text and data never leave your device — no uploads, no API calls, no tracking.
Why Use Our Binary/Octal/Hex Text Converter?
Bidirectional Conversion
Convert text to binary, octal, or hex representations — and decode them back to readable text. All six directions are supported in a single interface with a simple toggle.
Automatic Format Detection
Not sure what format your encoded data is in? Click Auto-Detect and the tool will analyze your input to determine whether it's binary, octal, or hex, and set the correct conversion mode automatically.
Customizable Output Format
Control prefix (0b, 0o, 0x, or none), spacing (spaces, commas, or run-together), byte grouping (1, 2, or 4 bytes), and hex letter case (uppercase A-F). Preview changes instantly as you adjust settings.
100% Private Browser-Based Processing
All conversions run entirely in your browser. Your text and data never leave your device — no uploads, no server calls, no data collection. Complete privacy for sensitive content.
Common Use Cases for Binary/Octal/Hex Conversion
Low-Level Programming & Debugging
When working with embedded systems, firmware, or protocol buffers, quickly convert between text and hex/octal representations to inspect byte-level data, debug serial protocols, or parse binary data streams.
Reverse Engineering & Malware Analysis
Security analysts often encounter encoded strings in hex or octal format within binary files. Decode obfuscated strings, configuration data, or embedded payloads to understand malware behavior and extract Indicators of Compromise (IoCs).
Computer Science Education
Students learning about data representation, character encoding, or number systems can visualize how text is represented at the byte level in different bases. See the same input in binary, octal, and hex side-by-side.
Network Protocol Analysis
Network engineers working with raw packet data or hex dumps can decode ASCII strings embedded in network traffic, parse HTTP headers in hex format, or analyze custom protocol payloads.
File Format Forensics
Digital forensics investigators examining hex dumps from file headers, memory dumps, or disk images can decode text strings, extract metadata, and identify file signatures using hex-to-text conversion.
Cryptography & Hash Visualization
Cryptography students and practitioners can convert binary hash output to readable hex format, compare hash representations across different encodings, and understand how cryptographic algorithms produce byte-level output.
About Binary/Octal/Hex Text Conversion
How Text-to-Encoded Conversion Works
When you convert text to binary, octal, or hex, each character is first converted to its Unicode code point, then expressed in the target base. For example, the letter A(code point 65) becomes 01000001 in binary, 101 in octal, and 41 in hexadecimal. The converter then applies your chosen formatting options — prefix, spacing, and byte grouping — to produce the final output.
How Encoded-to-Text Decoding Works
Decoding reverses the process. The tool strips any optional prefixes (0b, 0o, 0x), ignores whitespace and commas, then groups the remaining digits into byte-sized chunks based on the base (8 bits for binary, 3 digits for octal, 2 digits for hex). Each chunk is parsed as a number in that base and converted back to a Unicode character via String.fromCharCode().
Binary (Base-2)
Binary uses only two digits: 0 and 1. Each byte is represented by exactly 8 bits. Binary is the lowest-level representation of text data and is commonly used in low-level programming, networking protocols, and embedded systems. Binary representations are the longest form — a single character requires 8 characters plus optional spacing.
Octal (Base-8) vs Hexadecimal (Base-16)
Octal uses digits 0–7 with each byte represented by 3 octal digits (000–377). It's commonly seen in Unix file permissions and some legacy systems. Hexadecimal uses digits 0–9 and letters A–F, with each byte represented by exactly 2 hex digits (00–FF). Hex is the most common encoding for debugging, forensics, and cryptography because it's the most compact human-readable representation of raw bytes.