diff --git a/.chloggen/deprecate_hexstring.yaml b/.chloggen/deprecate_hexstring.yaml
new file mode 100755
index 000000000000..465e779a7f2f
--- /dev/null
+++ b/.chloggen/deprecate_hexstring.yaml
@@ -0,0 +1,4 @@
+change_type: 'deprecation'
+component: pdata
+note: Deprecate `pcommon.[Span|Trace]ID.HexString` methods. Call `hex.EncodeToString` explicitly instead.
+issues: [6514]
diff --git a/pdata/pcommon/spanid.go b/pdata/pcommon/spanid.go
index 44c4f249fae3..4052297ed523 100644
--- a/pdata/pcommon/spanid.go
+++ b/pdata/pcommon/spanid.go
@@ -29,7 +29,19 @@ func NewSpanIDEmpty() SpanID {
 	return emptySpanID
 }
 
-// HexString returns hex representation of the SpanID.
+// HexString returns string representation of the SpanID.
+//
+// Important: Don't rely on this method to get a string identifier of SpanID,
+// Use hex.EncodeToString explicitly instead.
+// This method meant to implement Stringer interface for display purposes only.
+func (ms SpanID) String() string {
+	if ms.IsEmpty() {
+		return ""
+	}
+	return hex.EncodeToString(ms[:])
+}
+
+// Deprecated: [0.65.0] Call hex.EncodeToString explicitly instead.
 func (ms SpanID) HexString() string {
 	if ms.IsEmpty() {
 		return ""
diff --git a/pdata/pcommon/spanid_test.go b/pdata/pcommon/spanid_test.go
index c8ce41321953..61b68c3ddac6 100644
--- a/pdata/pcommon/spanid_test.go
+++ b/pdata/pcommon/spanid_test.go
@@ -40,6 +40,14 @@ func TestSpanIDHexString(t *testing.T) {
 	assert.Equal(t, "1223ad1223ad1223", sid.HexString())
 }
 
+func TestSpanIDString(t *testing.T) {
+	sid := SpanID([8]byte{})
+	assert.Equal(t, "", sid.String())
+
+	sid = SpanID([8]byte{0x12, 0x23, 0xAD, 0x12, 0x23, 0xAD, 0x12, 0x23})
+	assert.Equal(t, "1223ad1223ad1223", sid.String())
+}
+
 func TestSpanIDImmutable(t *testing.T) {
 	initialBytes := [8]byte{0x12, 0x23, 0xAD, 0x12, 0x23, 0xAD, 0x12, 0x23}
 	sid := SpanID(initialBytes)
diff --git a/pdata/pcommon/traceid.go b/pdata/pcommon/traceid.go
index ed47d67a6d54..e40cc8740188 100644
--- a/pdata/pcommon/traceid.go
+++ b/pdata/pcommon/traceid.go
@@ -30,7 +30,19 @@ func NewTraceIDEmpty() TraceID {
 	return emptyTraceID
 }
 
-// HexString returns hex representation of the TraceID.
+// HexString returns string representation of the TraceID.
+//
+// Important: Don't rely on this method to get a string identifier of TraceID.
+// Use hex.EncodeToString explicitly instead.
+// This method meant to implement Stringer interface for display purposes only.
+func (ms TraceID) String() string {
+	if ms.IsEmpty() {
+		return ""
+	}
+	return hex.EncodeToString(ms[:])
+}
+
+// Deprecated: [0.65.0] Call hex.EncodeToString explicitly instead.
 func (ms TraceID) HexString() string {
 	if ms.IsEmpty() {
 		return ""
diff --git a/pdata/pcommon/traceid_test.go b/pdata/pcommon/traceid_test.go
index 9aaa476daa0d..665eee9f20e4 100644
--- a/pdata/pcommon/traceid_test.go
+++ b/pdata/pcommon/traceid_test.go
@@ -41,6 +41,14 @@ func TestTraceIDHexString(t *testing.T) {
 	assert.Equal(t, "12345678123456781234567812345678", tid.HexString())
 }
 
+func TestTraceIDString(t *testing.T) {
+	tid := TraceID([16]byte{})
+	assert.Equal(t, "", tid.String())
+
+	tid = [16]byte{0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78}
+	assert.Equal(t, "12345678123456781234567812345678", tid.String())
+}
+
 func TestTraceIDImmutable(t *testing.T) {
 	initialBytes := [16]byte{0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78}
 	tid := TraceID(initialBytes)