diff --git a/internal/config/config.go b/internal/config/config.go
index df9354fc2..426702c37 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -393,10 +393,13 @@ func (c *Config) AdminPassword() string {
 	return c.options.AdminPassword
 }
 
-// LogLevel returns the logrus log level.
+// LogLevel returns the Logrus log level.
 func (c *Config) LogLevel() logrus.Level {
-	if c.Debug() {
-		c.options.LogLevel = "debug"
+	// Normalize string.
+	c.options.LogLevel = strings.ToLower(strings.TrimSpace(c.options.LogLevel))
+
+	if c.Debug() && c.options.LogLevel != logrus.TraceLevel.String() {
+		c.options.LogLevel = logrus.DebugLevel.String()
 	}
 
 	if logLevel, err := logrus.ParseLevel(c.options.LogLevel); err == nil {
diff --git a/internal/photoprism/convert.go b/internal/photoprism/convert.go
index df0465e5e..6957f8a26 100644
--- a/internal/photoprism/convert.go
+++ b/internal/photoprism/convert.go
@@ -184,7 +184,7 @@ func (c *Convert) ToJson(f *MediaFile) (jsonName string, err error) {
 // JpegConvertCommand returns the command for converting files to JPEG, depending on the format.
 func (c *Convert) JpegConvertCommand(f *MediaFile, jpegName string, xmpName string) (result *exec.Cmd, useMutex bool, err error) {
 	if f == nil {
-		return result, useMutex, fmt.Errorf("convert: file is nil - you might have found a bug")
+		return result, useMutex, fmt.Errorf("file is nil - you might have found a bug")
 	}
 
 	size := strconv.Itoa(c.conf.JpegSize())
@@ -220,14 +220,19 @@ func (c *Convert) JpegConvertCommand(f *MediaFile, jpegName string, xmpName stri
 
 			result = exec.Command(c.conf.RawtherapeeBin(), args...)
 		} else {
-			return nil, useMutex, fmt.Errorf("convert: no converter found for %s", txt.Quote(f.BaseName()))
+			return nil, useMutex, fmt.Errorf("no suitable converter found")
 		}
 	} else if f.IsVideo() && c.conf.FFmpegEnabled() {
 		result = exec.Command(c.conf.FFmpegBin(), "-y", "-i", f.FileName(), "-ss", "00:00:00.001", "-vframes", "1", jpegName)
 	} else if f.IsHEIF() && c.conf.HeifConvertEnabled() {
 		result = exec.Command(c.conf.HeifConvertBin(), f.FileName(), jpegName)
 	} else {
-		return nil, useMutex, fmt.Errorf("convert: file type %s not supported in %s", f.FileType(), txt.Quote(f.BaseName()))
+		return nil, useMutex, fmt.Errorf("file type %s not supported", f.FileType())
+	}
+
+	// Log convert command in trace mode only as it exposes server internals.
+	if result != nil {
+		log.Tracef("convert: %s", result.String())
 	}
 
 	return result, useMutex, nil
diff --git a/internal/photoprism/convert_worker.go b/internal/photoprism/convert_worker.go
index d31763a90..e637f8a64 100644
--- a/internal/photoprism/convert_worker.go
+++ b/internal/photoprism/convert_worker.go
@@ -14,7 +14,7 @@ type ConvertJob struct {
 func ConvertWorker(jobs <-chan ConvertJob) {
 	logError := func(err error, job ConvertJob) {
 		fileName := job.file.RelName(job.convert.conf.OriginalsPath())
-		log.Errorf("%s in %s", strings.TrimSpace(err.Error()), txt.Quote(fileName))
+		log.Errorf("convert: %s for %s", strings.TrimSpace(err.Error()), txt.Quote(fileName))
 	}
 
 	for job := range jobs {