Free Hex Editor Neo is the fastest large files optimized binary file editor for Windows platform developed by HHD Software Ltd. It's distributed under "Freemium" model and provides you with all basic editing features for free. You may extensively use the following basic functionality: Type, Cut, Copy, Paste, Fill, Delete, Insert, Import and Export and even try some advanced functionality. Overwrite and insert modes are supported. You may also exchange binary hexadecimal data with other applications through the Clipboard. This free binary file editing utility also provides you with the following features: Unlimited Undo/Redo; GoTo Offset; Save/Load Operation History; 32bit/64bit Patch Creation; Find/Replace for hex/decimal/octal/float/double data and binary codes; Grouping by Bytes, Words, Double Words, Quad Words; Freeware Hex Editor Neo is extremely useful for viewing, modifying and analyzing hexadecimal data in extra large files and disks. For example, if you try to search and replace text/hex/decimal/binary data pattern in 1GB - 1TB file, you'll simply find no competitors for our product. The most frequent scenario for any competitive hexeditor will be: I'm sitting here and waiting but never get the result.