How I Built a Niche File Converter for Turkish Lawyers

Ever heard of a .udf file? Probably not — unless you're a Turkish lawyer. The Problem Turkey has one of the world's most comprehensive digital judiciary systems called UYAP (National Judiciary Informatics System). It connects all courts, prosecutors, lawyers, and even prisons across the country. The catch? UYAP's document editor saves files in a proprietary format called UDF (UYAP Document Format) . These .udf files can only be opened with the UYAP Document Editor — a program that only runs on computers connected to the UYAP network. This means hundreds of thousands of lawyers struggle to: Share court documents with clients Read case files on their phones Archive documents in a universal format Print documents outside the courthouse The Solution I built convertudftopdf.com — a free, browser-based UDF to PDF converter. Key Technical Decisions 1. 100% Client-Side Processing Legal documents are sensitive. No file should ever touch a server. The entire conversion happens in the browser usi