diff --git a/.gitignore b/.gitignore
index 886b79d..0d102fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,3 +45,4 @@ data/
 # Claude Code IDE settings and instructions
 .claude/
 CLAUDE.md
+dump_png_text_chunks.py
diff --git a/README.md b/README.md
index d215b24..dba5561 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,6 @@ The overlay is fixed to the canvas corner — unaffected by zoom or pan.
 | `mbq_parser.py` | PNG chunk extraction, ComfyUI prompt graph parsing, three-tier node classification |
 | `comfy_nodes/mbq_wedge.py` | MBQWedge ComfyUI node |
 | `comfy_nodes/js/mbq_wedge.js` | JS extension: widgets, queue intercept, seed handling |
-| `dump_png_text_chunks.py` | CLI debug tool: dump raw PNG text chunks |
 
 ---
 
diff --git a/dump_png_text_chunks.py b/dump_png_text_chunks.py
deleted file mode 100644
index ed301e5..0000000
--- a/dump_png_text_chunks.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/usr/bin/env python
-# dump_png_text_chunks.py — view all PNG tEXt/zTXt/iTXt chunks, with pretty JSON formatting
-
-import struct
-import zlib
-import json
-from pathlib import Path
-
-def dump_png_text_chunks(path: Path, out_file=None, indent=3):
-    """Dump all text chunks from a PNG, formatting JSON if detected."""
-    with open(path, "rb") as f:
-        sig = f.read(8)
-        if sig != b"\x89PNG\r\n\x1a\n":
-            raise ValueError("Not a valid PNG file")
-
-        chunks = []
-        while True:
-            len_bytes = f.read(4)
-            if not len_bytes:
-                break
-            length = struct.unpack(">I", len_bytes)[0]
-            ctype = f.read(4)
-            data = f.read(length)
-            f.read(4)  # skip CRC
-
-            if ctype in [b"tEXt", b"zTXt", b"iTXt"]:
-                key, _, val = data.partition(b"\x00")
-                key = key.decode("latin-1", "ignore")
-                if ctype == b"zTXt":
-                    # zTXt stores compression flag + zlib payload
-                    try:
-                        val = zlib.decompress(val[1:])
-                    except Exception:
-                        pass
-                elif ctype == b"iTXt" and b"\x00" in val:
-                    # iTXt has language and translated fields before text
-                    parts = val.split(b"\x00")
-                    val = parts[-1]
-                try:
-                    txt = val.decode("utf-8", "ignore")
-                except Exception:
-                    txt = repr(val)
-                chunks.append((ctype.decode(), key, txt))
-
-        def format_chunk(ctype, key, txt):
-            # Try to pretty-print JSON content
-            try:
-                parsed = json.loads(txt)
-                txt = json.dumps(parsed, indent=indent)
-            except Exception:
-                pass
-            return f"[{ctype}] {key}:\n{txt}\n" + "-" * 80 + "\n"
-
-        if out_file:
-            with open(out_file, "w", encoding="utf-8") as o:
-                for ctype, key, txt in chunks:
-                    o.write(format_chunk(ctype, key, txt))
-            print(f"Wrote {len(chunks)} text chunks to {out_file}")
-        else:
-            for ctype, key, txt in chunks:
-                print(format_chunk(ctype, key, txt))
-
-
-if __name__ == "__main__":
-    import sys
-    from pathlib import Path
-
-    if len(sys.argv) < 2:
-        print("Usage: python dump_png_text_chunks.py <file|dir|glob> [out.txt]")
-        sys.exit(1)
-
-    target = sys.argv[1]
-    out_file = Path(sys.argv[2]) if len(sys.argv) > 2 else None
-
-    paths = []
-
-    p = Path(target)
-
-    if "*" in target or "?" in target:
-        # explicit glob
-        paths = list(Path().glob(target))
-
-    elif p.is_dir():
-        # directory
-        paths = list(p.glob("*.png"))
-
-    elif p.exists():
-        # single file
-        paths = [p]
-
-    else:
-        print(f"No input found: {target}")
-        sys.exit(1)
-
-    if not paths:
-        print("No PNG files found.")
-        sys.exit(1)
-
-    for png in paths:
-        print(f"\n===== {png} =====\n")
-        dump_png_text_chunks(png, out_file=None)
-
-
-