diff --git a/data/flashdeconv-spatial/flashdeconv-spatial.biotools.json b/data/flashdeconv-spatial/flashdeconv-spatial.biotools.json
new file mode 100644
index 0000000000000..6cd5ab506c564
--- /dev/null
+++ b/data/flashdeconv-spatial/flashdeconv-spatial.biotools.json
@@ -0,0 +1,28 @@
+{
+    "accessibility": "Open access",
+    "additionDate": "2025-12-31T14:49:04.840633Z",
+    "biotoolsCURIE": "biotools:flashdeconv-spatial",
+    "biotoolsID": "flashdeconv-spatial",
+    "cost": "Free of charge",
+    "description": "Ultra-fast spatial transcriptomics deconvolution using structure-preserving randomized sketching. FlashDeconv estimates cell type proportions from spatial transcriptomics data (Visium, Visium HD, Stereo-seq, Xenium) with O(N) time complexity, processing 1 million spots in approximately 3 minutes on CPU without requiring GPU acceleration.",
+    "editPermission": {
+        "type": "private"
+    },
+    "homepage": "https://github.com/cafferychen777/FlashDeconv",
+    "language": [
+        "Python"
+    ],
+    "lastUpdate": "2025-12-31T14:49:04.842824Z",
+    "license": "GPL-3.0",
+    "name": "FlashDeconv",
+    "owner": "flashdeconv",
+    "toolType": [
+        "Library"
+    ],
+    "topic": [
+        {
+            "term": "Biosciences",
+            "uri": "http://edamontology.org/topic_4019"
+        }
+    ]
+}