For scanned PDFs (images of text), UltraPDF must make text searchable. The OCR workflow:
Modern UltraPDF tools support 100+ languages and can retain original formatting (bold, italics, font size).
wwultrapdf supports a subset of Acrobat JavaScript. Create a .js file and load it via Advanced > Run JavaScript. Example: auto-calculating totals in a PDF form:
var fields = this.getField("line_items");
var total = 0;
for(var i=0; i<fields.length; i++) total += fields[i].value;
this.getField("total").value = total;
One of the most demanded features. UltraPDF “works” by:
Advanced UltraPDF tools use AI-based layout reconstruction to handle complex multi-column documents.