ComfyUI-KJNodes: Kijai's Essential Toolkit for LTX 2.3 Workflows
ComfyUI-KJNodes by Kijai — 200+ nodes for image processing, masking, model optimization, and UI enhancements. Essential for any serious LTX 2.3 workflow.
By ltx workflow
Editor's Note: ComfyUI-KJNodes by Kijai — the essential custom node package for LTX 2.3 workflows, maintained by the same developer who provides FP8 quantized model weights. Source: GitHub
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KJNodes for ComfyUI
At this point pretty random collection of utility, model optimization and QoL nodes, while keeping dependencies at minimum.
Documentation is mostly in the node descriptions and tooltips.
Installation
- Clone this repo into custom_nodes folder.
- Install dependencies: pip install -r requirements.txt or if you use the portable install, run this in ComfyUI_windows_portable -folder: python_embeded\python.exe -m pip install -r ComfyUI\custom_nodes\ComfyUI-KJNodes\requirements.txt
Set/Get
UPDATE March 19th 2026
Complete (backwards compatible as far as I'm aware currently) rewrite of Set/Get nodes.
Changelog March 19th 2026
New Features
Nodes 2.0 support - Works with nodes 2.0 as well as legacy.
Subgraph support — Set/Get now works across subgraph boundaries. A Set in a parent graph is visible to all child subgraphs, and Get nodes search upward through ancestors. Cross-graph connections are resolved during prompt execution.
Convert link to Set/Get — Right-click any link midpoint to convert it into a Set/Get pair.
Convert to links — Right-click a Set or Get node to convert the pair back to direct links.
Convert outputs to Set/Get — Batch operation to convert all outputs of selected nodes into Set/Get pairs at once.
Canvas right-click menu — "Convert outputs on all selected nodes to Set/Get" and "Convert selected Set/Get to links".
Keyboard shortcuts — Ctrl+Shift+S (add Set to selected / at cursor), Ctrl+Shift+G (add Get at cursor), Ctrl+Shift+L (force-show all connections toggle).
"Convert ALL Set/Get to links" setting — One-click button in settings to replace every Set/Get pair with direct links, including across subgraph boundaries.
Show links setting — Combo setting (never / selected / always) to control when virtual links between Set/Get pairs are drawn. "Selected" mode shows links only for currently selected Set/Get nodes. Ctrl+Shift+L temporarily forces all links visible.
Add Set/Get from connection menu — When dragging from a slot, "Add SetNode" and "Add GetNode" entries appear next to "Add Reroute" in the connection menu.
Shift+middle-click creates Set/Get — Shift+middle-click on an output slot creates a connected SetNode; on an input slot creates a connected GetNode. Optional setting to override normal middle-click to also create Set/Get instead of Reroute.
Add paired GetNode — Right-click a SetNode to add a paired GetNode pre-configured with the same name.
Double-click Get to jump to Set — Double-click a GetNode to center and select its paired SetNode.
Default widget value setting — Controls the initial Constant value when a Set node is first connected: empty (default), slot name, slot name (lowercase), or slot name (UPPERCASE).
Type inference from output — If a SetNode's input is unconnected but its output is connected to a typed input, the Set adopts that type and recolors accordingly.
Getters submenu navigates into subgraphs — SetNode's getter list now includes cross-subgraph GetNodes and can navigate into subgraphs to focus them.
Fixes
Paste rename coordination — When pasting Set+Get pairs, GetNodes now correctly follow their SetNode's rename (e.g., MODEL -> MODEL_0).
Type/color reset on disconnect — Disconnecting input or output now correctly resets type and color, but only when neither side is still connected.
Suffix stripping only on paste — validateName no longer strips intentional _N suffixes from user-typed names. Only strips during paste to avoid FOO_0_1_2 accumulation.
Connection drawing moved to canvas level — Visualization links remain visible even when nodes are off-screen or collapsed.
Settings
-
Settings are now organized under KJNodes > Set & Get and KJNodes > General categories in the settings panel. About
Various custom nodes for ComfyUI
Resources
Readme
License
GPL-3.0 license
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