Connaissances PDF
Trouvez des articles qui vous donnent un aperçu pratique du monde des PDF. Apprenez tous les tenants et aboutissants des PDF, des principes fondamentaux aux méthodes les plus efficaces.
Tech corner
Is JBIG2 soon banned?
JBIG2 is a compression algorithm for bitonal images and has been developed to replace the widely used CCITT G4 algorithm because it can reach better compression ratios. However, the algorithm has received a bad reputatio ...
Tech corner
The problem with embedded fonts in PDF mass printing applications
PDF is more and more finding its way into mass printing applications. However, PDF spool files often ask too much from a print engine resulting in aborts or, even worse, incomplete prints which may not be noticed. What i ...
Tech corner
Replacing rich black by true black in PDF documents
When it comes to printing then all colors in a PDF document are transformed to the native color space of the printing device. If, e.g. a text uses a black RGB color then it is transformed to an equivalent CMYK value whic ...
Tech corner
Inline images and Type 3 fonts
I often hear that the inline image construct is a major flaw in the design of the PDF page description language. Inline images are an often used feature in Type 3 fonts. However, the stomach pain of some experts even cau ...
Tech corner
How to render the text of a PDF document if the font is not embedded?
Every developer of a PDF viewer, a PDF printer and a PDF to Image Converter tool comes across the requirement to render non embedded fonts and is facing quite a challenging task. Not only developers but also users of the ...
Tech corner
Using blockchains as an alternative to PKIs for digital signatures
The traditional technical environment for a digital signature is the public key infrastructure (PKI). Digital signatures are also used to implement electronic money such as Bitcoin. However, Bitcoin uses a new technology ...
Tech corner
Using native applications in a PDF document conversion service
Automated conversion of Office documents into PDFs has become a popular service. When designing the architecture of such a service, the question arises as to whether the native application or a specially developed softwa ...
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Maintenance et Assistance
PDF Tools AG vous aide et vous conseille, même après votre achat. Notre service d’assistance est considéré comme excellent par nos clients. Nos prestations de maintenance sont supérieures à la moyenne et dans des conditi ...
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Gestion des licences
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Tech corner
PDF Quality Gate à l'ère du numérique – assure la qualité de vos documents
Assurer la qualité des documents est vital pour les entreprises, en particulier en ce qui concerne l’échange et l’archivage numérique. Surtout si les documents en question sont un jour nécessaires pour un audit ou pour d ...
Tech corner
Optimisation – compressez vos fichiers au maximum
C’est indiscutable, le coût de l’espace de stockage est de plus en plus faible et tout un chacun y a largement accès. Ni le coût initial du matériel ni celui du stockage ne sont alarmants. Mais nul n’ignore que le volume ...
Tech corner
Fonctionnalité étendue pour SAP Folders Management avec le 3-Heights® Document Converter
Les formats PDF de haute qualité sont d'une importance centrale dans la gestion des documents numériques et en particulier dans la gestion des fichiers numériques. Le 3-Heights® Document Converter offre la conversion de ...