Load Binary File
Drag and drop a file here, or
How to Use
- • Upload any binary file to view its contents in hex and ASCII
- • Click on bytes to select them and view detailed information
- • Double-click on bytes to edit their values
- • Search for hex patterns or ASCII strings within the file
- • Add bookmarks to mark important offsets with notes
- • Export your modified file after making changes
- • Switch between 8, 16, or 32 bytes per row display modes
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Understanding Hex Editors
A hexadecimal (hex) editor is a specialized tool that displays the raw binary contents of files in hexadecimal format. Unlike text editors that show human-readable characters, hex editors reveal the underlying bytes that make up any file type - executables, images, documents, or data files.
Common Use Cases
- Malware Analysis: Examine suspicious files for embedded code, strings, or obfuscation techniques
- File Format Analysis: Understand file structure, headers, and metadata
- Data Recovery: Repair corrupted files by manually editing headers or data structures
- Reverse Engineering: Analyze compiled binaries and firmware
- Digital Forensics: Investigate files for hidden or deleted data
How to Use This Hex Editor
1. Load Your File
Drag and drop any file onto the upload area, or click "Choose File" to browse. Files are processed entirely in your browser for maximum privacy and security.
2. Navigate the Hex View
The display shows three columns: offset (address), hex values, and ASCII representation. Click any byte to view detailed information including offset, decimal value, and ASCII character.
3. Search and Bookmark
Search for hex patterns or ASCII strings. Add bookmarks with notes to mark important locations. Use the "Jump to Offset" feature to navigate directly to specific addresses.
4. Edit and Export
Double-click any byte to edit its value. Modified bytes are highlighted in yellow. When finished, export your changes to download the modified file.
Understanding File Signatures
File signatures (magic numbers) are specific byte sequences at the beginning of files that identify their type. Here are some common signatures:
Frequently Asked Questions
Common questions about the Hex Editor
Yes, this hex editor processes all files entirely in your browser. Your files never leave your device and are not uploaded to any server. This makes it safe for analyzing sensitive or confidential files.
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ℹ️ Disclaimer
This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.