UPDATE: New version 2.0.2 released which comes with a few fixes and updates. Check the change log below for more information.
Almost all of use download software and other files from Internet. It might be a free and small software or a large ISO file of a free public beta release of Windows 8. Many times when we download a file from a website, the website also provides hash code (CRC, SHA-1, MD5 or SHA-256) to verify the downloaded file.
"Hash Code" is a unique identifier which helps you in validating the integrity of a file. Many times when you download a large file, you can use its hash code to verify whether the file was downloaded correctly or it got corrupted during the transfer process.
Hash code might come very handy when you download a file using a 3rd party uploading website or a mirror website. You can check the downloaded file with the help of its hash code and can determine whether the file is genuine or was modified to put malicious code.
Now the question comes how to verify hash code of a file? Here is the answer!
"Hash Tool" is a small, free and portable tool created by AskVG reader "Shashi kumar Sinha" which helps you in calculating and verifying hash code of a file.
You just need to run the tool, drag-n-drop the file in its window or select the file using "Browse" button and click on "Calculate" button and the tool will immediately show its hash code information along with some important file information such as size, attributes, creation date, etc.
It shows MD5, CRC32, SHA1 and SHA256 hash values for the file. You can copy a particular hash code using "Copy" button given after the hash code text box.
It also allows you to match hash codes. Just type the hash code in text box and then select the file. It'll immediately match the hash codes and will tell you whether the hash codes are similar or not.
It also allows you to save the hash code values in a text file using "Save To File" button.
Its a portable software so you don't need to install it. Simply run the EXE file and enjoy the software.
Changes in Version 2.0.2:
- Fixed a few issues
- Changed background image and font
You can download it using following link:
Following are the hash values of "Hash Tool":
File : HashTool.exe
Size : 1057768 bytes
CRC-32 : 2D6BC5C8
MD5 : A573BDD743E313D1D79ED8D2E3672DC4
SHA1 : 9890413681FED7A2A9217A99EC953B9B8D5090C8
SHA256 : E52AEF1E786B6479E8282FB42B312131953FA553C2B10B5E4E4A0616FAF61406
Please provide your valuable feedback about this software in your comment...
NOTE: Some new and not very popular security software might show malware warning message when you try to download or run this software. Please ignore the message, its a false positive. The software is absolutely safe to use.
Posted by: Vishal Gupta | Categories: Software, Windows 7, Windows Vista, Windows XP
ZD
Wow very handy tool.... but it's require me to run it as an administrator... which I can't use drag and drop feature then... :(
hitesh
Good and usefull tool !
pl show file name on the screen for which hash details are shown. Currently it shows only hash codes (but for which file?)
Shashi kumar Sinha
@Hitesh, It shows hash codes for files you selected or dragged on hash tool window. You can use save to file button to save all required information.
VG
^^ Actually hitesh gave a good idea. Showing file name in program window would be great. You can add a label or text box to show the selected file name or full path. :)
Lester
Shashi, can you tell me the code on how to completely hide the maximize and minimize and close buttons?
I am making a program.
Will send it to Vishal soon!
Heronimus17
Showing file name, and detailed information like size,file format,etc will be good idea too . .
Hackerpunk1
Keep up the good work
Best Regards,
Hackerpunk1
ABHINAY THE KING
16 bit support which we found in Windows 8 DP can also be enabled in Windows 8 CP running the 'DRWATSON.EXE' found in system32
md.waez islam
Thanks...this tool is very helpful !
payjho
I think hashtab is better than this tool,
anyway thanks for the info VG, I always love Ur blog post :)
implbits.com/HashTab.aspx
leomate
But HashTab not portable applications ;)
Sujay
Very Useful tool !!
Maruf
Hi vg brother.How are you.I like your work.Please make a tool which tweak dialoge box and make more nice.
Shashi Kumar Sinha
A new version will be released very soon, adding support for SHA512 check sum and other possible bug fixes..
Snipe
I've downloaded a single file where the hash value was provided. However, once d/l is completed, there are two separate .ISO files. I'm getting an "unknown format" error when I try to open/mount or convert either of the ISOs regardless of program used: Power ISO / Daemon Tools / Ultra ISO. I understand that since the original file was 14Gb, errors may have crept in and I would like to use your program to confirm this rather than re-downloading the whole thing again....
Since the provided hash value is for the original single downloadable file, how would I compare it to the two ISO files since each would generate its own hash value - some Boolean addition program?
* I always seem to find the exceptions to the rules :)
Thank you for the sweet program.... its yet another tool in my collection of how to's.