how to install an additional language for tesseract i.e. "deu" tsch?

Fred Philip

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May 8, 2026, 11:42:06 AM (yesterday) May 8

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Hi,

I not very experienced with tesseract even tough I run some examples before.

I'm running tesseract in Linux Mint (Ubuntu).

Now I'm facing a situation were I want to read some documents with special German characters [üÜöÖäÄß] and for that I tried to install a tessdata package (deu).

However I wasn't able to find any explanation in the manual how exactly I have to install the data file (zip) on my system.

Do I install it with "APT", with a fetch from the repository or do I use the combine_tessdata tool?

It would be helpful if someone could refer me to the part of the manual where the installation process is explained.

Any suggestion is much appreciated.

TIA

Zdenko Podobny

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May 8, 2026, 11:43:25 AM (yesterday) May 8

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Hello,

how did you installed tesseract?

Zdenko

pi 8. 5. 2026 o 17:41 Fred Philip <fphil...@gmail.com> napísal(a):

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Fred Philip

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May 8, 2026, 2:38:34 PM (yesterday) May 8

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tesseract is installed for long time on my Linux machine and I don't remember anymore how I installed it.

However, I can tell you that the package manager Synaptic shows that tesseract v. 5.3.4-1build5 is installed.

But how relates that to the question where the instruction to install tessdata???.zip can be found in the manual?

[/usr/share/tesseract-ocr/5/tessdata/] has only [eng.traindata] installed.

:-)

Zdenko Podobny

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May 8, 2026, 2:40:55 PM (yesterday) May 8

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If you used package manager for installation of tesseract, you should use it also for language data.

Zdenko

pi 8. 5. 2026 o 20:38 Fred Philip <fphil...@gmail.com> napísal(a):

To view this discussion visit https://groups.google.com/d/msgid/tesseract-ocr/9c834251-f447-4374-bf11-95f2fc6d996fn%40googlegroups.com.

Fred Philip

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May 8, 2026, 3:41:48 PM (yesterday) May 8

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Damn, I should have thought to do it that way.

I was a little bit misguided by what I have read in the manual about the tessdata files.