diff --git a/vochain/indexer/indexer_test.go b/vochain/indexer/indexer_test.go
index ce0b8c9c7..e5be9e659 100644
--- a/vochain/indexer/indexer_test.go
+++ b/vochain/indexer/indexer_test.go
@@ -9,6 +9,7 @@ import (
 	stdlog "log"
 	"math/big"
 	"path/filepath"
+	"strings"
 	"testing"
 
 	qt "github.com/frankban/quicktest"
@@ -255,20 +256,19 @@ func TestEntitySearch(t *testing.T) {
 	app.AdvanceTestBlock()
 	// Exact entity search
 	list := idx.EntityList(10, 0, "4011d50537fa164b6fef261141797bbe4014526e")
-	if len(list) < 1 {
-		t.Fatalf("expected 1 entity, got %d", len(list))
-	}
+	qt.Assert(t, list, qt.HasLen, 1)
 	// Search for nonexistent entity
 	list = idx.EntityList(10, 0, "4011d50537fa164b6fef261141797bbe4014526f")
-	if len(list) > 0 {
-		t.Fatalf("expected 0 entities, got %d", len(list))
-	}
+	qt.Assert(t, list, qt.HasLen, 0)
 	// Search containing part of all manually-defined entities
 	list = idx.EntityList(10, 0, "011d50537fa164b6fef261141797bbe4014526e")
-	log.Info(list)
-	if len(list) < len(entityIds) {
-		t.Fatalf("expected %d entities, got %d", len(entityIds), len(list))
-	}
+	qt.Assert(t, list, qt.HasLen, len(entityIds))
+	// Partial entity search as mixed case hex
+	list = idx.EntityList(10, 0, "50537FA164B6Fef261141797BbE401452")
+	qt.Assert(t, list, qt.HasLen, len(entityIds))
+	// Partial entity search as uppercase hex
+	list = idx.EntityList(10, 0, "50537FA164B6FEF261141797BBE401452")
+	qt.Assert(t, list, qt.HasLen, len(entityIds))
 }
 
 func TestProcessList(t *testing.T) {
@@ -487,6 +487,15 @@ func TestProcessSearch(t *testing.T) {
 		t.Fatalf("expected %d processes, got %d", len(endedPIDs), len(list))
 	}
 
+	// Partial process search as uppercase hex
+	list, err = idx.ProcessList(eidTest, 0, 10, "011D50537FA164B6FEF261141797BBE4014526E", 0, 0, "", false)
+	qt.Assert(t, err, qt.IsNil)
+	qt.Assert(t, list, qt.HasLen, len(processIds))
+	// Partial process search as mixed case hex
+	list, err = idx.ProcessList(eidTest, 0, 10, "011D50537fA164B6FeF261141797BbE4014526E", 0, 0, "", false)
+	qt.Assert(t, err, qt.IsNil)
+	qt.Assert(t, list, qt.HasLen, len(processIds))
+
 	// Search with an exact Entity ID, but starting with a null byte.
 	// This can trip up sqlite, as it assumes TEXT strings are NUL-terminated.
 	list, err = idx.ProcessList([]byte("\x00foobar"), 0, 100, "", 0, 0, "", false)
@@ -707,6 +716,12 @@ func TestResults(t *testing.T) {
 	qt.Assert(t, envelopes, qt.HasLen, 1)
 	qt.Assert(t, envelopes[0].Height, qt.Equals, matchHeight)
 
+	// Partial vote search as uppercase hex
+	envelopes, err = idx.GetEnvelopes(pid, 10, 0, strings.ToUpper(matchNullifier[:29]))
+	qt.Assert(t, err, qt.IsNil)
+	qt.Assert(t, envelopes, qt.HasLen, 1)
+	qt.Assert(t, envelopes[0].Height, qt.Equals, matchHeight)
+
 	// Test results
 	proc, err := idx.ProcessInfo(pid)
 	qt.Assert(t, err, qt.IsNil)
diff --git a/vochain/indexer/process.go b/vochain/indexer/process.go
index 3baeb08f4..3a103cc3b 100644
--- a/vochain/indexer/process.go
+++ b/vochain/indexer/process.go
@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"strings"
 	"time"
 
 	"go.vocdoni.io/proto/build/go/models"
@@ -72,7 +73,7 @@ func (idx *Indexer) ProcessList(entityID []byte, from, max int, searchTerm strin
 		Namespace:       int64(namespace),
 		Status:          int64(statusnum),
 		SourceNetworkID: int64(srcNetworkId),
-		IDSubstr:        searchTerm,
+		IDSubstr:        strings.ToLower(searchTerm), // we search in lowercase
 		Offset:          int64(from),
 		Limit:           int64(max),
 		WithResults:     withResults,
@@ -95,10 +96,10 @@ func (idx *Indexer) CountTotalProcesses() uint64 {
 
 // EntityList returns the list of entities indexed by the indexer
 // searchTerm is optional, if declared as zero-value
-// will be ignored. Searches against the ID field.
+// will be ignored. Searches against the ID field as lowercase hex.
 func (idx *Indexer) EntityList(max, from int, searchTerm string) []indexerdb.SearchEntitiesRow {
 	rows, err := idx.readOnlyQuery.SearchEntities(context.TODO(), indexerdb.SearchEntitiesParams{
-		EntityIDSubstr: searchTerm,
+		EntityIDSubstr: strings.ToLower(searchTerm), // we search in lowercase
 		Offset:         int64(from),
 		Limit:          int64(max),
 	})
diff --git a/vochain/indexer/vote.go b/vochain/indexer/vote.go
index 9aaa09297..d2c2edcbc 100644
--- a/vochain/indexer/vote.go
+++ b/vochain/indexer/vote.go
@@ -8,6 +8,7 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
+	"strings"
 	"time"
 
 	"go.vocdoni.io/proto/build/go/models"
@@ -72,7 +73,7 @@ func (idx *Indexer) GetEnvelopes(processId []byte, max, from int,
 	envelopes := []*indexertypes.EnvelopeMetadata{}
 	txRefs, err := idx.readOnlyQuery.SearchVotes(context.TODO(), indexerdb.SearchVotesParams{
 		ProcessID:       processId,
-		NullifierSubstr: searchTerm,
+		NullifierSubstr: strings.ToLower(searchTerm), // we search in lowercase
 		Limit:           int64(max),
 		Offset:          int64(from),
 	})