Binary Editor HXD

About This Tool

Binary Editor HXD provides byte-level inspection and modification of binary files for developers, firmware engineers, and security researchers. It supports loading binary payloads, viewing hex and ASCII representations, and applying patches at explicit offsets with specified byte sequences. The tool emphasizes exactness and auditability, enabling users to generate new binaries or diffs that reflect only intended changes. Conceptually, the system treats the file as an array of bytes and applies operations that respect file boundaries, endianness when requested, and optional checksums. Core features include patch application, offset navigation, hex/ASCII views, and safe export of edited binaries. Advanced users can enable endianness transformations for multi-byte values, perform bit-level edits, and generate change logs or diffs to compare before/after states. Use cases span firmware tuning, data recovery, header corrections, and reverse-engineering tasks where precise byte edits are required. The tool avoids interpreting the file format, focusing strictly on byte-level manipulation and integrity of the resulting binary. Unique value propositions include an auditable patch workflow, explicit boundary handling, and support for large binaries with streaming I/O. Typical workflows involve uploading a binary, selecting an offset, specifying patch bytes in hex, and exporting the modified file along with a hex/ASCII view and a patch log. This makes it suitable for engineering validation, forensics, and low-level software maintenance where deterministic edits are essential.

Sign in to see all your usage