diff --git a/common/storage/key.h b/common/storage/key.h
--- a/common/storage/key.h
+++ b/common/storage/key.h
@@ -48,6 +48,10 @@
 
     bool isNull() const;
 
+    static bool isValidInternal(const QByteArray &);
+    static bool isValidDisplay(const QByteArray &);
+    static bool isValid(const QByteArray &);
+
     bool operator==(const Identifier &other) const;
     bool operator!=(const Identifier &other) const;
 
@@ -72,6 +76,10 @@
     static Revision fromDisplayByteArray(const QByteArray &bytes);
     qint64 toQint64() const;
 
+    static bool isValidInternal(const QByteArray &);
+    static bool isValidDisplay(const QByteArray &);
+    static bool isValid(const QByteArray &);
+
     bool operator==(const Revision &other) const;
     bool operator!=(const Revision &other) const;
 
@@ -99,6 +107,10 @@
 
     bool isNull() const;
 
+    static bool isValidInternal(const QByteArray &);
+    static bool isValidDisplay(const QByteArray &);
+    static bool isValid(const QByteArray &);
+
     bool operator==(const Key &other) const;
     bool operator!=(const Key &other) const;
 
@@ -110,6 +122,6 @@
 } // namespace Storage
 } // namespace Sink
 
-SINK_EXPORT QDebug& operator<<(QDebug &dbg, const Sink::Storage::Identifier &);
-SINK_EXPORT QDebug& operator<<(QDebug &dbg, const Sink::Storage::Revision &);
-SINK_EXPORT QDebug& operator<<(QDebug &dbg, const Sink::Storage::Key &);
+SINK_EXPORT QDebug &operator<<(QDebug &dbg, const Sink::Storage::Identifier &);
+SINK_EXPORT QDebug &operator<<(QDebug &dbg, const Sink::Storage::Revision &);
+SINK_EXPORT QDebug &operator<<(QDebug &dbg, const Sink::Storage::Key &);
diff --git a/common/storage/key.cpp b/common/storage/key.cpp
--- a/common/storage/key.cpp
+++ b/common/storage/key.cpp
@@ -84,6 +84,27 @@
     return uid.isNull();
 }
 
+bool Identifier::isValidInternal(const QByteArray &bytes)
+{
+    return !QUuid::fromRfc4122(bytes).isNull();
+}
+
+bool Identifier::isValidDisplay(const QByteArray &bytes)
+{
+    return !QUuid(bytes).isNull();
+}
+
+bool Identifier::isValid(const QByteArray &bytes)
+{
+    switch (bytes.size()) {
+        case Identifier::INTERNAL_REPR_SIZE:
+            return isValidInternal(bytes);
+        case Identifier::DISPLAY_REPR_SIZE:
+            return isValidDisplay(bytes);
+    }
+    return false;
+}
+
 bool Identifier::operator==(const Identifier &other) const
 {
     return uid == other.uid;
@@ -128,6 +149,27 @@
     return rev;
 }
 
+bool Revision::isValidInternal(const QByteArray &bytes)
+{
+    if (bytes.size() != Revision::INTERNAL_REPR_SIZE) {
+        return false;
+    }
+
+    bool ok;
+    bytes.toLongLong(&ok);
+    return ok;
+}
+
+bool Revision::isValidDisplay(const QByteArray &bytes)
+{
+    isValidInternal(bytes);
+}
+
+bool Revision::isValid(const QByteArray &bytes)
+{
+    isValidInternal(bytes);
+}
+
 bool Revision::operator==(const Revision &other) const
 {
     return rev == other.rev;
@@ -191,6 +233,39 @@
     return id.isNull();
 }
 
+bool Key::isValidInternal(const QByteArray &bytes)
+{
+    if (bytes.size() != Key::INTERNAL_REPR_SIZE) {
+        return false;
+    }
+
+    auto idBytes = bytes.mid(0, Identifier::INTERNAL_REPR_SIZE);
+    auto revBytes = bytes.mid(Identifier::INTERNAL_REPR_SIZE);
+    return Identifier::isValidInternal(idBytes) && Revision::isValidInternal(revBytes);
+}
+
+bool Key::isValidDisplay(const QByteArray &bytes)
+{
+    if (bytes.size() != Key::DISPLAY_REPR_SIZE) {
+        return false;
+    }
+
+    auto idBytes = bytes.mid(0, Identifier::DISPLAY_REPR_SIZE);
+    auto revBytes = bytes.mid(Identifier::DISPLAY_REPR_SIZE);
+    return Key::isValidDisplay(idBytes) && Revision::isValidDisplay(revBytes);
+}
+
+bool Key::isValid(const QByteArray &bytes)
+{
+    switch (bytes.size()) {
+        case Key::INTERNAL_REPR_SIZE:
+            return isValidInternal(bytes);
+        case Key::DISPLAY_REPR_SIZE:
+            return isValidDisplay(bytes);
+    }
+    return false;
+}
+
 bool Key::operator==(const Key &other) const
 {
     return (id == other.id) && (rev == other.rev);
@@ -200,4 +275,3 @@
 {
     return !(*this == other);
 }
-
diff --git a/sinksh/syntax_modules/sink_inspect.cpp b/sinksh/syntax_modules/sink_inspect.cpp
--- a/sinksh/syntax_modules/sink_inspect.cpp
+++ b/sinksh/syntax_modules/sink_inspect.cpp
@@ -41,6 +41,20 @@
 namespace SinkInspect
 {
 
+using Sink::Storage::Key;
+using Sink::Storage::Identifier;
+
+QString parse(const QByteArray &bytes)
+{
+    if (Key::isValidInternal(bytes)) {
+        return Key::fromInternalByteArray(bytes).toDisplayString();
+    } else if (Identifier::isValidInternal(bytes)) {
+        return Identifier::fromInternalByteArray(bytes).toDisplayString();
+    } else {
+        return QString::fromUtf8(bytes);
+    }
+}
+
 bool inspect(const QStringList &args, State &state)
 {
     if (args.isEmpty()) {
@@ -90,7 +104,7 @@
 
         QSet<QByteArray> uids;
         db.scan("", [&] (const QByteArray &key, const QByteArray &data) {
-                    uids.insert(Sink::Storage::Key::fromInternalByteArray(key).identifier().toDisplayByteArray());
+                    uids.insert(Key::fromInternalByteArray(key).identifier().toDisplayByteArray());
                     return true;
                 },
                 [&](const Sink::Storage::DataStore::Error &e) {
@@ -187,21 +201,24 @@
         auto count = db.scan(filter, [&] (const QByteArray &key, const QByteArray &data) {
                     keySizeTotal += key.size();
                     valueSizeTotal += data.size();
+
+                    const auto parsedKey = parse(key);
+
                     if (isMainDb) {
                         Sink::EntityBuffer buffer(const_cast<const char *>(data.data()), data.size());
                         if (!buffer.isValid()) {
-                            state.printError("Read invalid buffer from disk: " + key);
+                            state.printError("Read invalid buffer from disk: " + parsedKey);
                         } else {
                             const auto metadata = flatbuffers::GetRoot<Sink::Metadata>(buffer.metadataBuffer());
-                            state.printLine("Key: " + key
+                            state.printLine("Key: " + parsedKey
                                           + " Operation: " + QString::number(metadata->operation())
                                           + " Replay: " + (metadata->replayToSource() ? "true" : "false")
                                           + ((metadata->modifiedProperties() && metadata->modifiedProperties()->size() != 0) ? (" [" + Sink::BufferUtils::fromVector(*metadata->modifiedProperties()).join(", ")) + "]": "")
                                           + " Value size: " + QString::number(data.size())
                                           );
                         }
                     } else {
-                        state.printLine("Key: " + key + "\tValue: " + QString::fromUtf8(data));
+                        state.printLine("Key: " + parsedKey + "\tValue: " + parse(data));
                     }
                     return true;
                 },