Manage tasks using plain text markdown files. Create, edit, and organize tasks within a .md file. Sync files across devices via iCloud, Dropbox, or Git. Open and edit files in any text editor. No accounts or tracking involved.
Edit text and adjust formatting in PDFs. Compress and rearrange pages. Merge or split PDF files. Convert to other formats. Protect documents with encryption and passwords. View and annotate PDFs on mobile devices.
Learn and program language on iOS devices. Enter and run code, use built-in functions, and access help documentation. Save and load programs. Simulate Commodore 64 environment for educational use.
