Merrilin.ai – Code blocks in your books, finally
Syntax-highlighted code blocks in EPUBs and PDFs, finally readable without squinting.

Another AI PDF reader when ChatPDF and Humata already dominate this space.
Researchers, students, and professionals working with PDF documents
ChatPDF · Humata · PDF.ai
Syntax-highlighted code blocks in EPUBs and PDFs, finally readable without squinting.
RSVP reader with genuine accessibility features like Irlen overlays and OpenDyslexic fonts.
Document-native AI workspace beats ChatGPT for legal appeals and dissertations.
Local-first PDF reader with page-grounded AI when ChatPDF sends everything to the cloud.
Verifies AI extractions by reading text back from highlighted regions — actual audit trails for PDFs.
PDF-native AI chat beats copy-paste workflow, but specialized readers crowding fast.