diff --git a/zebra-utils/zebrad-hash-lookup b/zebra-utils/zebrad-hash-lookup
new file mode 100755
index 00000000..85030d42
--- /dev/null
+++ b/zebra-utils/zebrad-hash-lookup
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Reads stdin or the file $1, looks lines up as hashes, then outputs block info
+# for each hash. Uses the zcash-cli command for block lookups.
+
+ZEBRAD="${ZEBRAD:-zebrad}"
+ZCASH_CLI="${ZCASH_CLI:-zcash-cli}"
+
+while read hash; do
+    zcashd_hash=$($ZEBRAD revhex "$hash")
+    header=$($ZCASH_CLI getblockheader "$zcashd_hash" 2>&1 || true)
+
+    if echo "$header" | jq . > /dev/null 2> /dev/null; then
+        high=$(echo "$header" | jq -r '"\(.height)"')
+        time=$(echo "$header" | jq -r '"\(.time|todate)"')
+        prev=$(echo "$header" | jq -r '"\(.previousblockhash)"')
+        next=$(echo "$header" | jq -r '"\(.nextblockhash)"')
+
+        # use Zebra hash order
+        if [ "$prev" != 'null' ]; then
+            prev=$($ZEBRAD revhex "$prev")
+        fi
+        if [ "$next" != 'null' ]; then
+            next=$($ZEBRAD revhex "$next")
+        fi
+
+        printf 'high: %s\ntime: %s\nhash: %s\nprev: %s\nnext: %s\n' \
+               "$high" "$time" "$hash" "$prev" "$next"
+    else
+        # Handle lookup errors
+        printf 'hash: %s\n%s\n' \
+               "$hash" "$header"
+    fi
+done < "${1:-/dev/stdin}"
diff --git a/zebra-utils/zebrad-log-filter b/zebra-utils/zebrad-log-filter
new file mode 100755
index 00000000..931d0a32
--- /dev/null
+++ b/zebra-utils/zebrad-log-filter
@@ -0,0 +1,31 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Reads stdin or the file $1, replacing hashes with block info
+#
+# Uses zebrad-hash-lookup, which uses zcash-cli.
+#
+# Usage:
+#   zebrad start | zebrad-log-filter
+#   ZCASH_CLI="zcash-cli -testnet" zebrad start | zebrad-log-filter
+
+# Find GNU sed
+if command -v gsed > /dev/null; then
+    GNU_SED=${GNU_SED:-gsed}
+else
+    # Just assume it's GNU sed
+    GNU_SED=${GNU_SED:-sed}
+fi
+
+while read line; do
+    # Put each hash on a separate line, then expand them
+    echo "$line" | \
+        $GNU_SED -r \
+            's/([0-9a-f]{64})/\n\1/g' | \
+        $GNU_SED -r \
+            's/(.*)([0-9a-f]{64})(.*)/ \
+                echo -n '\''\1'\''; \
+                echo '\''\2'\'' | zebrad-hash-lookup; \
+                echo -n '\''\3'\''; /e'
+done < "${1:-/dev/stdin}"