Thorium on eol's blog https://blog.sysco.re/tags/thorium/ Recent content in Thorium on eol's blog Hugo en-us Mon, 23 Feb 2026 13:20:11 +0200 DeDRMing LCPA PDF files using Thorium reader https://blog.sysco.re/blog/lcpa_thorium/ Mon, 23 Feb 2026 13:20:11 +0200 https://blog.sysco.re/blog/lcpa_thorium/ <p>Someone asked me to remove DRM from a LCPA PDF file.</p> <p>Using an old ereader, I hate DRM. So, I got to work !</p> <p>I found <a href="https://shkspr.mobi/blog/2025/03/towards-extracting-content-from-an-lcp-protected-epub/">this</a> blog article which gave me direction on how to access the debugging interface of Thorium reader.</p> <p>Be aware, Thorium 3.3.0 has closed the hole&hellip; But it works with 3.1.0. Here is a <a href="https://github.com/edrlab/thorium-reader/releases/download/v3.1.0/Thorium-3.1.0.AppImage">download link</a>.</p> <p>You need the LCP password to decrypt the book and access its content.</p>