Binary Viewer is absolutely free.

If you find a bug we will try to correct it as soon as possible. If you have an idea how to improve it, we will try to implement it. However development efforts needed to develop and extend program functionality are significant.

If you like the program, if you want it to grow in functionality, if you want it to be supported at the current level please consider donation. We don't suggest any amount. Even single dollar counts but we know that for some people dollar might be too much.

Main features of Binary Viewer program are:

1. Multiple formats for displaying binary data:

   • Hexadecimal (1, 2 bytes grouping)

   • Binary

   • Octal (1 or 2 bytes)

   • Decimal (1, 2 or 4 bytes)

   • Text(ASCII)

   • Text (Unicode and Big Endian Unicode)

2. Graphical data representation:

   • File Histogram

   • File Visualizer

3. Powerful search: using text, and binary patterns and/or regular expressions. Search can be performed within currently open file or files located on external memory (hard drive)

4. File Utilities:

   • Base64 Encode and Decode

   • File Encryption/Decryption

5. English, Chinese, Italian and Polish GUI languages

6. Handling extremely large file sizes (up to 16TB )

7. Ability to open and view entire Physical Drives

8. Ability to bookmark ranges within open file/device

9. Supports Alternate Data Stream (ADS) displaying

10. Simple and intuitive user interface

11. Two-column display for easy viewing same content in multiple formats

12. Allows selecting, copy and saving to the file

13. Shows extended file properties on main window panel

14. Has very small memory footprint (¹)

15. Is absolutely free (²)

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(¹)Thanks to using memory mapped files, only small portion of viewed file is residing in RAM.

(²)NO ADWARE, NO SPYWARE, no hidden "features".

Here it is. Binary Viewer showing one open file (in hexadecimal and text (ASCII) formats):

What do I need it for?

Most likely you will use it to:

• Analyze internal format of binary files

• Computer forensic related tasks

• Reverse engineering of programs and files saved in proprietary file

• Check content of files not viewable by other means

• Compare/check differences between binary files

• Viewing file Alternate Data Streams

• Viewing file Extended properties

Downloads

pxBinaryViewerSetup.exe	Binary Viewer setup file executable(Windows) latest version
pxBinaryViewerSetup.zip	If your security settings don't allow downloading executable files you can download zipped version of Binary Viewer setup. It is setup of the same latest version of the program.
BinaryViewerPortable.zip	Here you can download portable distribution. After downloading you need to unzip it and copy to any location of your choice. It can be even memory card for greatest portability.
BinaryViewerPortableBeta.zip	If you want to access features not yet available in main release you can download Beta version of the next software release. Please be aware: this is beta version, not fully tested and might be less stable than production release.

More Info

Please visit Binary Viewer help page for more details