How to find out original name or extension form files in browser cache

  1. ricardobohner's Avatar
    Posts : 302
    Windows 10
       #1

    How to find out original name or extension form files in browser cache


    Hi,
    I would like to know if it is possible to find out the original name of a file in your browser cache ( I use firefox). I took a look in the cache but they look all like random names and with no extension.

    How to find out original name or extension form files in browser cache-media.jpg

    How do I find out what is jpg, png, mp4, gif, flv etc?
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  2. f14tomcat's Avatar
    Posts : 53,178
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #2

    ricardobohner said:
    Hi,
    I would like to know if it is possible to find out the original name of a file in your browser cache ( I use firefox). I took a look in the cache but they look all like random names and with no extension.

    How to find out original name or extension form files in browser cache-media.jpg

    How do I find out what is jpg, png, mp4, gif, flv etc?
    Which folder is that?
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  3. ricardobohner's Avatar
    Posts : 302
    Windows 10
    Thread Starter
       #3

    %LocalAppData%\Mozilla\firefox\Profiles\x8sle5pa.default-1559210697955\cache2\entries

    The folder after "Profiles" is different for everybody I guess.
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  4. Callender's Avatar
    Posts : 4,092
    N/A
       #4

    Type about:cache in the address bar.
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  5. f14tomcat's Avatar
    Posts : 53,178
    Multi-boot Windows 10 - RTM, RP, Beta, and Insider
       #5

    I just looked at mine. They are all type "file", like yours, and when opened in Notepad are basically hex gibberish. Not sure you can filter out .jpg, etc.
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  6. Callender's Avatar
    Posts : 4,092
    N/A
       #6

    Here:

    How to find out original name or extension form files in browser cache-network-cache-storage-information.jpg
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  7. Posts : 1,286
    X
       #7

    Firefox won't tell you the file types or extensions.
    But if you have a Linux emulator you can use the standard "file" command to determine file type.
    Here's a sample:
    Code:
    00037BD7DE43AA708EE9FF2D18C84BC7BE310D73: JPEG image data, JFIF standard 1.02, aspect ratio ...
    0006415147F25A79A6B8E44FADA515FF7B4E938F: gzip compressed data, from Unix
    0010343354DBEA0B8BE043636D511C085F443DFC: gzip compressed data, last modified: Thu Mar 19 21:21:21 2020 ...
    001979CEE525BEC9D4403F4C17C11D2E8D63D79F: gzip compressed data, max speed, from FAT filesystem ...
    001C973AF64A53E3B3D3BE6BBFD7C7C9334BE165: JPEG image data, JFIF standard 1.02, aspect ratio, density ...
    001E842CDEDC234303DCCC587BA14C7C66F73407: data
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  8. ricardobohner's Avatar
    Posts : 302
    Windows 10
    Thread Starter
       #8

    @margrave55, Thanks, I guess Windows 10 ships with some tipe of linux terminal simulator I could try that.

    @Callender Thanks, that about:cache part would be more helpful If you could sort it by date or something.
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  9. Posts : 21
    Win10 Home 32-bit, Linux, Vista
       #9

    NirSoft makes a utility that does the job: https://www.nirsoft.net/utils/mozilla_cache_viewer.html
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  10. EdTittel's Avatar
    Posts : 4,111
    Windows 10
       #10

    Great tool, @kreemoweet. Thanks!
    --Ed--
      My Computers


 

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