diff --git a/src/corelibs/string_handling/timestamp_strings.py b/src/corelibs/string_handling/timestamp_strings.py
index 59ecb72..375ae4b 100644
--- a/src/corelibs/string_handling/timestamp_strings.py
+++ b/src/corelibs/string_handling/timestamp_strings.py
@@ -110,3 +110,57 @@ def convert_to_seconds(time_string: str | int | float) -> int:
         seen_units.append(unit)
 
     return total_seconds
+
+
+def seconds_to_string(seconds: str | int | float, show_microseconds: bool = False) -> str:
+    """
+    Convert seconds to compact human readable format (e.g., "1d 2h 3m 4.567s")
+    Supports negative values with "-" prefix
+
+    Args:
+        seconds (float): Time in seconds (can be negative)
+        show_microseconds (bool): Whether to show microseconds precision
+
+    Returns:
+        str: Compact human readable time format
+    """
+    # if not int or float, return as is
+    if not isinstance(seconds, (int, float)):
+        return seconds
+    # Handle negative values
+    negative = seconds < 0
+    seconds = abs(seconds)
+
+    whole_seconds = int(seconds)
+    fractional = seconds - whole_seconds
+
+    days = whole_seconds // 86400
+    hours = (whole_seconds % 86400) // 3600
+    minutes = (whole_seconds % 3600) // 60
+    secs = whole_seconds % 60
+
+    parts: list[str] = []
+    if days > 0:
+        parts.append(f"{days}d")
+    if hours > 0:
+        parts.append(f"{hours}h")
+    if minutes > 0:
+        parts.append(f"{minutes}m")
+
+    # Handle seconds with fractional part
+    if fractional > 0:
+        if show_microseconds:
+            total_seconds = secs + fractional
+            formatted = f"{total_seconds:.6f}".rstrip('0').rstrip('.')
+            parts.append(f"{formatted}s")
+        else:
+            total_seconds = secs + fractional
+            formatted = f"{total_seconds:.3f}".rstrip('0').rstrip('.')
+            parts.append(f"{formatted}s")
+    elif secs > 0 or not parts:
+        parts.append(f"{secs}s")
+
+    result = " ".join(parts)
+    return f"-{result}" if negative else result
+
+# __END__
diff --git a/test-run/string_handling/timestamp_strings.py b/test-run/string_handling/timestamp_strings.py
index 39d63c6..4cd472d 100644
--- a/test-run/string_handling/timestamp_strings.py
+++ b/test-run/string_handling/timestamp_strings.py
@@ -4,7 +4,9 @@
 timestamp string checks
 """
 
-from corelibs.string_handling.timestamp_strings import convert_to_seconds, TimeParseError, TimeUnitError
+from corelibs.string_handling.timestamp_strings import (
+    seconds_to_string, convert_to_seconds, TimeParseError, TimeUnitError
+)
 
 
 def main() -> None:
@@ -21,10 +23,9 @@ def main() -> None:
         "1d 12h",          # 1 day, 12 hours
         "3M 2d 4h",        # 3 months, 2 days, 4 hours
         "45s",             # 45 seconds
-        "1 year 2 months", # 1 year, 2 months
+        "1 year 2 months",  # 1 year, 2 months
         "2Y 6M 15d 8h 30m 45s",  # Complex example
-    # ]
-    # invalid_test_cases = [
+        # invalid tests
         "5M 6d 2M",        # months appears twice
         "2h 30m 45s 1h",   # hours appears twice
         "1d 2 days",       # days appears twice (short and long form)
@@ -43,10 +44,33 @@ def main() -> None:
     for time_string in test_cases:
         try:
             result = convert_to_seconds(time_string)
-            print(f"{time_string} => {result}")
+            print(f"Human readable to seconds: {time_string} => {result}")
         except (TimeParseError, TimeUnitError) as e:
             print(f"Error encountered for {time_string}: {type(e).__name__}: {e}")
 
+    test_values = [
+        'as is string',
+        -172800.001234,  # -2 days, -0.001234 seconds
+        -90061.789,      # -1 day, -1 hour, -1 minute, -1.789 seconds
+        -3661.456,       # -1 hour, -1 minute, -1.456 seconds
+        -65.123,         # -1 minute, -5.123 seconds
+        -1.5,            # -1.5 seconds
+        -0.001,          # -1 millisecond
+        -0.000001,       # -1 microsecond
+        0,               # 0 seconds
+        0.000001,        # 1 microsecond
+        0.001,           # 1 millisecond
+        1.5,             # 1.5 seconds
+        65.123,          # 1 minute, 5.123 seconds
+        3661.456,        # 1 hour, 1 minute, 1.456 seconds
+        90061.789,       # 1 day, 1 hour, 1 minute, 1.789 seconds
+        172800.001234    # 2 days, 0.001234 seconds
+    ]
+
+    for time_value in test_values:
+        result = seconds_to_string(time_value, show_microseconds=True)
+        print(f"Seconds to human readable: {time_value} => {result}")
+
 
 if __name__ == "__main__":
     main()
diff --git a/uv.lock b/uv.lock
index f0a03e7..eb74d11 100644
--- a/uv.lock
+++ b/uv.lock
@@ -53,7 +53,7 @@ wheels = [
 
 [[package]]
 name = "corelibs"
-version = "0.22.6"
+version = "0.23.0"
 source = { editable = "." }
 dependencies = [
     { name = "jmespath" },