ComfyUI Text Diff

Compare two text strings with GitHub/GitLab-style diff highlighting in ComfyUI.

Features

• Line-by-line comparison with line numbers
• Character-level highlighting within changed lines
• Two display modes: Unified (single column) and Side-by-Side (two columns)
• Instant view mode switching without re-running the workflow
• Context lines control to focus on changes
• No external dependencies (Python standard library only)

Installation

Manual Installation

cd ComfyUI/custom_nodes
git clone https://github.com/dcyd-lun/ComfyUI_text_diff.git

Restart ComfyUI after installation.

Usage

1. Add the Text Diff node from utils/text category
2. Connect two text inputs (text_a and text_b)
3. Run the workflow to see the diff
4. Switch between view modes instantly using the dropdown

Inputs

Input	Type	Description
text_a	STRING	Original text
text_b	STRING	Modified text
view_mode	DROPDOWN	side_by_side (default) or unified
context_lines	INT	Lines of context around changes (-1 = show all)