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Why is my PDF Producer showing up in Chinese…

I was recently sent a PDF file where some of the metadata appeared to be wrong. In particular, the PRODUCER field was appearing in...
Mark Stephens
1 min read

Extracting Maths formulae in PDF files

Maths formulae look really good in PDF files but how easy are they to extract? They are actually quite an extreme example of the...
Mark Stephens
48 sec read

Why can I not extract text from this Ghostscript…

Every so often people send us files and ask why we cannot extract the text from them – I mean we can view the...
Mark Stephens
52 sec read

Be careful with your PDF fonts

You need to be careful with fonts in PDF files. I was sent a PDF file which did not display properly in our software....
Mark Stephens
1 min read

Be careful how you remove critical data from a…

Quite often people want to obscure or remove critical data in a PDF file. For example they want to send us a PDF file...
Mark Stephens
37 sec read