diff --git a/gridinfo/.gitignore b/gridinfo/.gitignore
index ee33be77..4af748d9 100644
--- a/gridinfo/.gitignore
+++ b/gridinfo/.gitignore
@@ -8,3 +8,4 @@
 /logicframes_SLICE_*.bit
 /logicframes_SLICE_*.asc
 /grid-*-db.txt
+/grid-*-db.json
diff --git a/gridinfo/gridinfo-txt2json.py b/gridinfo/gridinfo-txt2json.py
new file mode 100644
index 00000000..92957303
--- /dev/null
+++ b/gridinfo/gridinfo-txt2json.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+
+import sys
+import json
+import re
+
+db_tiles = set()
+db_tile_prop = dict()
+db_tile_sites = dict()
+
+db_sites = set()
+db_site_prop = dict()
+db_site_tile = dict()
+db_site_bit = dict()
+
+def add_tile(tile):
+    if tile not in db_tiles:
+        db_tiles.add(tile)
+        db_tile_prop[tile] = dict()
+        db_tile_sites[tile] = list()
+
+def add_site(site):
+    if site not in db_sites:
+        db_sites.add(site)
+        db_site_prop[site] = dict()
+
+with open("%s.txt" % sys.argv[1]) as f:
+    for line in f:
+        line = line.split()
+
+        if line[0] == "TILEPROP":
+            add_tile(line[1])
+            db_tile_prop[line[1]][line[2]] = " ".join(line[3:])
+            continue
+
+        if line[0] == "TILESITE":
+            add_tile(line[1])
+            add_site(line[2])
+            db_tile_sites[line[1]].append(line[2])
+            db_site_tile[line[2]] = line[1]
+            continue
+
+        if line[0] == "SITEPROP":
+            add_site(line[1])
+            db_site_prop[line[1]][line[2]] = " ".join(line[3:])
+            continue
+
+        if line[0] == "SLICEBIT":
+            for i in range(50):
+                assert line[1] not in db_site_bit
+                db_site_bit[line[1]] = line[2] + ("" if i == 0 else " ?")
+                m = re.match("(.*)Y([0-9]+)", line[1])
+                line[1] = "%sY%d" % (m.group(1), int(m.group(2))+1)
+            continue
+
+        assert False
+
+print("Number of tiles: %d" % len(db_tiles))
+print("Number of sites: %d" % len(db_sites))
+print("Number of sites with bit: %d" % len(db_site_bit))
+
+database = dict()
+
+database["tiles"] = dict()
+for tile in db_tiles:
+    entry = dict()
+    entry["props"] = db_tile_prop[tile]
+    entry["sites"] = db_tile_sites[tile]
+    database["tiles"][tile] = entry
+
+database["sites"] = dict()
+for site in db_sites:
+    entry = dict()
+    entry["props"] = db_site_prop[site]
+    entry["tile"] = db_site_tile[site]
+    if site in db_site_bit:
+        entry["bit"] = db_site_bit[site]
+    database["sites"][site] = entry
+
+with open("%s.json" % sys.argv[1], "w") as f:
+    print(json.dumps(database, sort_keys=True, indent="\t"), file=f)
+
diff --git a/gridinfo/runme.sh b/gridinfo/runme.sh
index e27f557b..da3a3100 100644
--- a/gridinfo/runme.sh
+++ b/gridinfo/runme.sh
@@ -69,3 +69,5 @@ vivado -nojournal -log design.log -mode batch -source design.tcl
 	done
 } > grid-${XRAY_PART}-db.txt
 
+python3 gridinfo-txt2json.py grid-${XRAY_PART}-db
+