FlexHEX Editor - Just the Right Tool to Edit Binaries


Files and Drives

Inspecting Data

Editing Data

Undo and Redo

Entering and Deleting Data

Clipboard and Drag&Drop

Copy Formatted

Edit Selected

Edit Data Field


Bitwise Operations

Arithmetic Operations

Shifts and Rotates

Insert Immediate Data

Insert Zero Block

Import and Export


Search and Replace


Complex Data Types

Advanced Features



Insert Zero Block

This command inserts a block of zeros at the specified position.

       Insert Immediate Data

Depending in the current insertion mode, the Insert Zero Block command either inserts or overwrites the existing data at the insert position.

The Insert Zero Block command works slightly differently from the Insert Immediate Data command. While in most cases you can use either command to insert a block of zero bytes, these commands works differently for sparse files. Insert Zero Block inserts sparse zeros, whereas Insert Immediate Data always inserts actual data occupying disk space.

Tip File Map and Area Pane recognize and display blocks created with the Insert Zero Block command.

As in other dialogs, FlexHEX assumes the number is hexadecimal if it contains hexadecimal digits A to F. Otherwise it is treated according to the Dec/Hex selector.


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