http://imagej.273.s1.nabble.com/image-convert-does-not-do-anything-tp5024047p5024053.html
> Hi Timo,
>
> The IMAGE/Type/8-bit menu item in itself performs the conversion to
> 8-bit. You might want to uncheck the EDIT/Options/Conversions default
> of "scale when converting" if you need to preserve the data range
> (else it will scale the results to fit your requested range).
>
> You can record the steps using the macro recorder and just run the
> script as needed.
>
> open();
> run("Conversions...", " ");
> run("8-bit");
>
> Hope that clears things up.
>
>
>
> On 10/14/2020 8:14 AM, Timo Pietilä wrote:
>> No, there is just plain convert at the four bottom items at image
>> -menu. That's the one she tried to use and which gives that error. I
>> can replicate the error in my own work machine.
>>
>> I'm at home now, so can't remember what the other three were, however
>> none of those are documented in documentation.
>>
>> In fact that menu is quite a bit longer than the one described in
>> documentation. More than four items are missing from there.
>>
>> When I get to work machine I can post what it looks like in my machine.
>>
>> Timo Pietilä
>>
>> On 14.10.2020 12.37, Herbie wrote:
>>> Suggestion:
>>>
>>> Perhaps your client uses the ImageJ-menu command:
>>>
>>> Process >> Batch >> Convert...
>>>
>>> that is described in the ImageJ user-guide (subsection
>>> "29.12.2 Convert…"):
>>> <
https://urldefense.proofpoint.com/v2/url?u=https-3A__imagej.nih.gov_ij_docs_guide_146-2D29.html-23toc-2DSubsection-2D29.12&d=DwIDaQ&c=Nd1gv_ZWYNIRyZYZmXb18oVfc3lTqv2smA_esABG70U&r=pD-sSh_e9cMzytxHgN9Gfakl4sCheZunFOz7i3o-Ewk&m=zdqanvIPyTaCqonXBcO_-jlhlkBKAPUkeBPY6DRF5uo&s=EUgf4nj7jdM89ScI31aeE7uhVX6FaHVEzQ5AoWs5Aq8&e=>
>>>
>>>
>>> Regards
>>>
>>> Herbie
>>>
>>> ::::::::::::::::::::::::::::::::::::::::::
>>> Am 14.10.20 um 06:48 schrieb Timo Pietilä:
>>>> Hello everyone.
>>>>
>>>> I'm not actual ImageJ user but IT support and I have a client that
>>>> is trying to convert one image to another form using fiji imageJ,
>>>> and process should be as easy as
>>>>
>>>> file - open,
>>>> image - type - 8-bit,
>>>> image -convert.
>>>>
>>>> However result is "A ImgPlus is required but none exist"
>>>>
>>>> According to her everything worked just about two months ago.
>>>>
>>>> I have hard time finding what that "convert" even should be doing,
>>>> it isn't in documentation, no youtube tutorials even have it in
>>>> that menu so I really don't have any clue how to debug this problem.
>>>>
>>>> I'm basically giving myself a real crash course of ImageJ at this
>>>> point.
>>>>
>>>> Any ideas, clue,s anything?
>>>>
>>>> Timo Pietilä
>>>>
>>>> --
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>>>>
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>>
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