Convert canvas to/from text (Markdown)

• Convert JSON Canvas into Markdown
  • Treats edges as nesting
  • Treats groups as headings
• Convert simple one-item-per-line text files into JSON Canvas (without Markdown formatting)

jct [flags]

• --from <file> - Input file (default: stdin)
• --to <file> - Output file (default: stdout)
• --from-format <format> - Input format: canvas, text (default: auto-detect)
• --to-format <format> - Output format: canvas, markdown (default: auto-detect)
• --help - Show help message

• canvas - JSONCanvas format (.json files)
• text - Plain text, one item per line
• markdown - Hierarchical list with checkboxes

# Convert canvas to markdown
jct --from canvas.json --to tasks.md

# Convert text to canvas
echo -e "Task 1\nTask 2" | jct --to-format canvas

# Validate and pretty-print canvas
jct --from canvas.json --to-format canvas

# Convert text to markdown via canvas
echo -e "Task 1\nTask 2" | jct --to-format markdown

(c) 2025 Leonid Shevtsov