World of Warcraft AddOns » Utilities » WoW Tools & Utilities » BLPConverter
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    Updated: 10-31-11 12:10 AM
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    Updated:10-31-11 12:10 AM
    Created:07-15-09 12:54 AM
    Downloads:60,441
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    BLPConverter  Popular! (More than 5000 hits)

    Version: 8.4
    by: Dandelion [More]

    BLPConverter.exe converts BLP files (Blizzard's proprietary texture file type) into standard PNG files and back again. This is NOT a UI mod: it is a standalone program. BLPConverter uses a Windows command line interface which allows it to be easily incorporated in batch files/scripts and give the user a great amount of control about the conversion and the created file's format.

    BLPConverter's emphasis is on giving the user control over the exact format of the textures it creates since WoW can be quite particular about the format of BLPs it will accept in a given situation. Unfortunately I have only had time to give it a command line interface, which I admit can present a learning curve to people unfamiliar with them. The help file included in the download attempts to minimize this hurdle.

    I'm committed to making sure this program can handle all types of BLPs, so if you find any that it can't handle I'd love to hear about it.

    Version 8.1 - Added support for BLP_PAL_A4 format.
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    Unread 10-20-20, 06:22 AM  
    pawciu
    A Kobold Labourer

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    GUI for BLPConverter
    Hi

    I've added graphical user interface using basic functions from BLPConverter for converting lots of files.

    BLPConverterGUI


    Screenshot:
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    Unread 11-21-15, 10:23 AM  
    Blazeflack
    A Deviate Faerie Dragon

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    Trying to convert a specific .blp gives me this warning:

    Code:
    BLPConverter.exe /V Battlenet-D3icon.blp
Battlenet-D3icon.blp:
ERROR: Unexpected ID 'ëPNG'--not a BLP file?
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    Unread 01-04-12, 10:22 PM  
    oscarucb
    A Murloc Raider
     
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    What is the correct format BLP for WoW Mouse Cursors? (ie SetCursor)
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    Unread 11-30-11, 02:19 PM  
    Talyrius
    An Onyxian Warder
     
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    @gearbox89
    You extracted the file from the MPQ incorrectly.
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    Unread 11-29-11, 11:18 PM  
    gearbox89
    A Kobold Labourer

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    File:UI-EncounterJournalTextures.blp in Interface\EncounterJournal

    This is a Patch (PTCH) file, not an actual BLP (BLP2).
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    Unread 11-01-11, 10:12 AM  
    Dandelion
    A Defias Bandit
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    Re: Incompatible format
    Originally posted by hurricup
    Can't convert some BLPs.

    Verbosing says:
    256x64
    encoding = 3 (UNRECOGNIZED)
    alphaBitDepth = 8
    alphaEncoding = 8
    9 mips

    File is: UI-EJ-Icons.blp in locale Interface\EncounterJournal
    BLPConverter 8.4 is up which handles encoding 3, which seems to be a raw BGRA format. I was unable to test that the created BLPs work ok in the game, but I feel confident enough to release it anyway.
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    Unread 10-31-11, 12:09 AM  
    Dandelion
    A Defias Bandit
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    Re: transperence
    Originally posted by Tonyleila
    i've the following problem:
    right: original file png (its transparent i just made a white background so you can see it better) and left converted file into blp and back
    the numbers have this fuzzy borders ingame too
    Converting a RBGA PNG to a BLP is always lossy. [Well, technically not -always-, but 99.99% of the time.] Looking at the banding in the edges I'd guess you converted your source image to a palettized BLP? You could try converting it to BLP_DXT3 or BLP_DXT5, which would probably help with the banding, though it's up to WoW itself to decide if it will accept that format for the given application.
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    Unread 10-04-11, 02:51 PM  
    Tonyleila
    A Molten Giant
     
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    transperence
    i've the following problem:
    right: original file png (its transparent i just made a white background so you can see it better) and left converted file into blp and back

    the numbers have this fuzzy borders ingame too
    __________________
    Author of: LeilaUI and Aurora: Missing Textures
    __________________
    Last edited by Tonyleila : 10-04-11 at 02:53 PM.
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    Unread 09-30-11, 03:34 AM  
    hurricup
    A Kobold Labourer

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    Incompatible format
    Can't convert some BLPs.

    Verbosing says:
    256x64
    encoding = 3 (UNRECOGNIZED)
    alphaBitDepth = 8
    alphaEncoding = 8
    9 mips

    File is: UI-EJ-Icons.blp in locale Interface\EncounterJournal
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    Unread 06-22-11, 07:51 PM  
    Vorst
    A Kobold Labourer

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    BLPConverter not working... please help????
    hey i just dled the BLPConverter (8.3) and i did what the instructions say, but when i delete "/?" from the Target patha nd open it up it says that its missing a file argument... can someone help me solve this problem please???
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    Unread 01-03-11, 05:01 PM  
    Dandelion
    A Defias Bandit
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    Version 8.3 is up. The only change is that it will load "Type 1 Encoding 2 AlphaDepth 4 AlphaEncoding 1 (DXT3 four bits alpha)" BLPs. As far as I know this is just a matter of the AlphaDepth flag being generally irrelevant, as it is my understanding that the DXT3 format is always 8-bit alpha. Thus, I didn't add a way to create a DXT3 file with the AlphaDepth parameter set to 4: it always uses 8. It seems reasonable to me but sometimes the client is particular (and of course maybe Bliz is doing something I don't know about), so as always please let me know if anyone has any issues with this or any other format.

    As far as the "encoding 3" issue goes, I have no clue what it could be. Since it only applies to a single file at the moment, it's likely as not just an error in that file. At any rate, I'm going to wait until we start seeing more of them before looking into it more.
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    Unread 10-19-10, 01:56 AM  
    Dandelion
    A Defias Bandit
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    Re: BLP not loading
    Originally posted by blackiceadept
    So, I converted this image into BLP using your converter. Named it properly for BLP placement in the correct folder and all. But as soon as I load instead of being greeted to my icon I instead see a green box. Umm... hi green box? Did I do something wrong? I dragged and dropped the png on the converter and the converter went through apparently fine.
    Sorry for the extremely late reply, but I think the infamous green box can mean either that the image data was corrupted somehow, or that the BLP was in a format that WoW wasn't expecting for that particular application. I don't remember specifically what WoW expects where, but there were some uses (a use being something like minimap textures, character skins, or clothing textures) where WoW would only take a specific format (like palettized/non).
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    Unread 10-19-10, 01:52 AM  
    Dandelion
    A Defias Bandit
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    Re: Other compression methods? JPEG?
    Originally posted by SinusPi
    Another BLP converter, "BLP Lab", has the option to compress BLPs using some sort of hybrid JPEG-like compression, giving a proper 1-100 quality setting, and thus capable of achieving really small file sizes. The "only" problem with it is that it only produces BLP1 files, while WoW supports only BLP2. So, do you think there is a way to have that type of compression - whatever it is, actually - supported?
    I don't know anything about BLP1, nor about any changes Blizzard may have made to the format in 4.0, but I think the answer is no. All the BLPs I saw in WoW used one of two types of compression: palettization or DXT, both of which have fixed compression ratios.
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    Unread 06-13-10, 04:59 AM  
    SinusPi
    A Deviate Faerie Dragon
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    Other compression methods? JPEG?
    Another BLP converter, "BLP Lab", has the option to compress BLPs using some sort of hybrid JPEG-like compression, giving a proper 1-100 quality setting, and thus capable of achieving really small file sizes. The "only" problem with it is that it only produces BLP1 files, while WoW supports only BLP2. So, do you think there is a way to have that type of compression - whatever it is, actually - supported?
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    Unread 05-30-10, 02:22 PM  
    blackiceadept
    A Kobold Labourer

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    BLP not loading
    So, I converted this image into BLP using your converter. Named it properly for BLP placement in the correct folder and all. But as soon as I load instead of being greeted to my icon I instead see a green box. Umm... hi green box? Did I do something wrong? I dragged and dropped the png on the converter and the converter went through apparently fine.
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