Back
Hex File Editor & Analyzer
★Drop any file here or click to browse
File Size
-
Please upload a file first.
How it works
A fully local hex editor for binary analysis.
The tool reads uploaded files as an ArrayBuffer. To guarantee performance with larger files, the binary content is paginated (512 bytes per page). Clicking on a byte opens a dialog to modify its hex value. The updated buffer is then compiled back into a download.
Processing happens entirely locally in your browser.
Relevant Tools
Zip Archive Builder
Create Zip files directly in your browser. Upload files and download the archive. No data leaves your computer.
OpenCSV Viewer & Converter
Open CSV files online, search through them, and convert them to JSON or XML.
OpenFile Analyzer
Analyze files locally: View MIME types, size, date, and the first bytes (Hex Header).
Open