A desktop hex editor built for EEPROM dumps, binary analysis, and low-level modifications. HEX-MASTER combines a high-speed hex view, accurate selection tools, and built-in calculations to speed up diagnostics and patching workflows.
Profile-based checksum verification with guided workflows. Designed for validated algorithms and safe defaults.
Run multiple checksum rules across a dump and generate a clear report after edits.
Helpers for verified layouts (e.g., VIN decode / redundancy checks) without modifying your data.
Improved scrolling and panel sizing for long files, ensuring a stable and predictable workflow.
Tip: Open the Documentation to learn every button, right‑click action, inspector field, and checksum workflow.
Preview the workspace, inspector, and script tools. Click any image to enlarge.
Address, hex, and ASCII columns in one fast canvas view.
Edit nibbles in hex mode or type ASCII directly.
Mouse drag selection with live inspection and quick actions.
Open multiple buffers, compare tabs, highlight differences.
Mark bytes with color tags, apply to master buffer if needed.
Protects work with periodic background saves.
Right-click for XOR, fill, swap bytes, and selection tools.
Copy selections or whole buffers, paste hex or text.
Profile-based checksum checks to validate data blocks after edits.
Run built-in scripts for calculations, reports, and safe read-only analysis.
Inspect raw EEPROM and firmware bytes with precision.
Immediate updates with autosave support and clear history.
Swap, XOR, and fill ranges for quick patch workflows.
Use checksum tools and expressions to verify changes.
Compare buffers side-by-side and highlight differences.
Keep multiple dumps open and switch instantly.
Try HEX-MASTER free for 2 days with access to many features. After trial, purchase a lifetime license for $40 with support and updates included.