Download HxD: Free Hex, Disk & Memory Editor v2.5.0.0 for Windows PC
HxD is a fast, free hex editor for Windows that opens files of any size instantly and edits raw bytes, disk sectors, and even live system memory.
Technical Specifications & System Requirements
Software notes
About & Overview: HxD: Free Hex, Disk & Memory Editor
HxD is a fast, free hex editor for Windows that opens files of any size instantly and edits raw bytes, disk sectors, and even live system memory. With built-in checksum generators, file comparison, disk cloning and imaging, and secure data shredding, it is the go-to tool for reverse engineering, firmware patching, and recovering corrupted files.
How to Install & Verify HxD: Free Hex, Disk & Memory Editor
Download HxD from the official vendor link on this page.
Open the downloaded file and follow the on-screen installation steps.
Start HxD from the Start menu or desktop shortcut.
Frequently Asked Questions & Verification Guide
Is HxD free?
Yes — HxD is freeware for personal and commercial use.
Can HxD edit RAM?
Yes. Running as administrator, HxD can open and edit the memory of running processes — useful for debugging and game research.
What is the maximum file size HxD can open?
Effectively unlimited — up to 8 exabytes. Files open instantly regardless of size because data is streamed, not loaded fully into RAM.
Is there a portable version?
Yes, a portable build runs without installation.