diff --git a/noteooks/test_general.ipynb b/noteooks/test_general.ipynb
index f1603d7..3d951a1 100644
--- a/noteooks/test_general.ipynb
+++ b/noteooks/test_general.ipynb
@@ -534,7 +534,7 @@
     {
      "data": {
       "text/plain": [
-       "'https://bucket-external.s3.amazonaws.com/dataset/dataset_qft/moody_qft_danbooru.json?AWSAccessKeyId=AKIAVVWUPRZ2AC6O2S3I&Signature=0z3LgRw9wcdnSqcCmqX7VaqAU7Q%3D&Expires=1727805561'"
+       "'https://bucket-external.s3.amazonaws.com/dataset/dataset_qft/moody_qft_danbooru.json?AWSAccessKeyId=AKIAVVWUPRZ2AC6O2S3I&Signature=sXf%2FvVsHcWcBK8aA%2FBW5i4dseEw%3D&Expires=1759172427'"
       ]
      },
      "execution_count": 1,
@@ -548,7 +548,7 @@
     "\n",
     "uri = \"s3://bucket-external/dataset/dataset_qft/moody_qft_danbooru.json\"\n",
     "\n",
-    "signed = ub.presigns(uri)\n",
+    "signed = ub.presigns(uri, expiration=\"1y\")\n",
     "signed"
    ]
   }
diff --git a/poetry.lock b/poetry.lock
index 8d76182..d845715 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.5.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "antlr4-python3-runtime"
@@ -203,6 +203,20 @@ colorama = {version = "*", markers = "sys_platform == \"win32\""}
 [package.extras]
 development = ["black", "flake8", "mypy", "pytest", "types-colorama"]
 
+[[package]]
+name = "humanfriendly"
+version = "10.0"
+description = "Human friendly output for text interfaces using Python"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+files = [
+    {file = "humanfriendly-10.0-py2.py3-none-any.whl", hash = "sha256:1697e1a8a8f550fd43c2865cd84542fc175a61dcb779b6fee18cf6b6ccba1477"},
+    {file = "humanfriendly-10.0.tar.gz", hash = "sha256:6b0b831ce8f15f7300721aa49829fc4e83921a9a301cc7f606be6686a2288ddc"},
+]
+
+[package.dependencies]
+pyreadline3 = {version = "*", markers = "sys_platform == \"win32\" and python_version >= \"3.8\""}
+
 [[package]]
 name = "idna"
 version = "3.4"
@@ -373,8 +387,8 @@ files = [
 [package.dependencies]
 numpy = [
     {version = ">=1.20.3", markers = "python_version < \"3.10\""},
-    {version = ">=1.21.0", markers = "python_version >= \"3.10\""},
     {version = ">=1.23.2", markers = "python_version >= \"3.11\""},
+    {version = ">=1.21.0", markers = "python_version >= \"3.10\" and python_version < \"3.11\""},
 ]
 python-dateutil = ">=2.8.2"
 pytz = ">=2020.1"
@@ -428,6 +442,7 @@ files = [
     {file = "Pillow-10.0.0-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:3b08d4cc24f471b2c8ca24ec060abf4bebc6b144cb89cba638c720546b1cf538"},
     {file = "Pillow-10.0.0-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:d737a602fbd82afd892ca746392401b634e278cb65d55c4b7a8f48e9ef8d008d"},
     {file = "Pillow-10.0.0-cp311-cp311-win_amd64.whl", hash = "sha256:3a82c40d706d9aa9734289740ce26460a11aeec2d9c79b7af87bb35f0073c12f"},
+    {file = "Pillow-10.0.0-cp311-cp311-win_arm64.whl", hash = "sha256:bc2ec7c7b5d66b8ec9ce9f720dbb5fa4bace0f545acd34870eff4a369b44bf37"},
     {file = "Pillow-10.0.0-cp312-cp312-macosx_10_10_x86_64.whl", hash = "sha256:d80cf684b541685fccdd84c485b31ce73fc5c9b5d7523bf1394ce134a60c6883"},
     {file = "Pillow-10.0.0-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:76de421f9c326da8f43d690110f0e79fe3ad1e54be811545d7d91898b4c8493e"},
     {file = "Pillow-10.0.0-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:81ff539a12457809666fef6624684c008e00ff6bf455b4b89fd00a140eecd640"},
@@ -437,6 +452,7 @@ files = [
     {file = "Pillow-10.0.0-cp312-cp312-musllinux_1_1_aarch64.whl", hash = "sha256:d50b6aec14bc737742ca96e85d6d0a5f9bfbded018264b3b70ff9d8c33485551"},
     {file = "Pillow-10.0.0-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:00e65f5e822decd501e374b0650146063fbb30a7264b4d2744bdd7b913e0cab5"},
     {file = "Pillow-10.0.0-cp312-cp312-win_amd64.whl", hash = "sha256:f31f9fdbfecb042d046f9d91270a0ba28368a723302786c0009ee9b9f1f60199"},
+    {file = "Pillow-10.0.0-cp312-cp312-win_arm64.whl", hash = "sha256:1ce91b6ec08d866b14413d3f0bbdea7e24dfdc8e59f562bb77bc3fe60b6144ca"},
     {file = "Pillow-10.0.0-cp38-cp38-macosx_10_10_x86_64.whl", hash = "sha256:349930d6e9c685c089284b013478d6f76e3a534e36ddfa912cde493f235372f3"},
     {file = "Pillow-10.0.0-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:3a684105f7c32488f7153905a4e3015a3b6c7182e106fe3c37fbb5ef3e6994c3"},
     {file = "Pillow-10.0.0-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:b4f69b3700201b80bb82c3a97d5e9254084f6dd5fb5b16fc1a7b974260f89f43"},
@@ -507,6 +523,20 @@ files = [
 [package.dependencies]
 numpy = ">=1.16.6"
 
+[[package]]
+name = "pyreadline3"
+version = "3.5.4"
+description = "A python implementation of GNU readline."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "pyreadline3-3.5.4-py3-none-any.whl", hash = "sha256:eaf8e6cc3c49bcccf145fc6067ba8643d1df34d604a1ec0eccbf7a18e6d3fae6"},
+    {file = "pyreadline3-3.5.4.tar.gz", hash = "sha256:8d57d53039a1c75adba8e50dd3d992b28143480816187ea5efbd5c78e6c885b7"},
+]
+
+[package.extras]
+dev = ["build", "flake8", "mypy", "pytest", "twine"]
+
 [[package]]
 name = "python-dateutil"
 version = "2.8.2"
@@ -544,6 +574,7 @@ files = [
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:69b023b2b4daa7548bcfbd4aa3da05b3a74b772db9e23b982788168117739938"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ba336e390cd8e4d1739f42dfe9bb83a3cc2e80f567d8805e11b46f4a943f5515"},
+    {file = "PyYAML-6.0.1-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290"},
     {file = "PyYAML-6.0.1-cp310-cp310-win32.whl", hash = "sha256:bd4af7373a854424dabd882decdc5579653d7868b8fb26dc7d0e99f823aa5924"},
     {file = "PyYAML-6.0.1-cp310-cp310-win_amd64.whl", hash = "sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d"},
     {file = "PyYAML-6.0.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007"},
@@ -551,8 +582,16 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:42f8152b8dbc4fe7d96729ec2b99c7097d656dc1213a3229ca5383f973a5ed6d"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673"},
+    {file = "PyYAML-6.0.1-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b"},
     {file = "PyYAML-6.0.1-cp311-cp311-win32.whl", hash = "sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741"},
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
+    {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
+    {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
+    {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
+    {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
+    {file = "PyYAML-6.0.1-cp312-cp312-win_amd64.whl", hash = "sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df"},
     {file = "PyYAML-6.0.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c"},
@@ -569,6 +608,7 @@ files = [
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735"},
+    {file = "PyYAML-6.0.1-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6"},
     {file = "PyYAML-6.0.1-cp38-cp38-win32.whl", hash = "sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206"},
     {file = "PyYAML-6.0.1-cp38-cp38-win_amd64.whl", hash = "sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62"},
     {file = "PyYAML-6.0.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8"},
@@ -576,6 +616,7 @@ files = [
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:b786eecbdf8499b9ca1d697215862083bd6d2a99965554781d0d8d1ad31e13a0"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:bc1bf2925a1ecd43da378f4db9e4f799775d6367bdb94671027b73b393a7c42c"},
+    {file = "PyYAML-6.0.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5"},
     {file = "PyYAML-6.0.1-cp39-cp39-win32.whl", hash = "sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c"},
     {file = "PyYAML-6.0.1-cp39-cp39-win_amd64.whl", hash = "sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486"},
     {file = "PyYAML-6.0.1.tar.gz", hash = "sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43"},
@@ -705,7 +746,10 @@ secure = ["certifi", "cryptography (>=1.9)", "idna (>=2.0.0)", "pyopenssl (>=17.
 socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
 zstd = ["zstandard (>=0.18.0)"]
 
+[extras]
+full = []
+
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "767f709cdc55ab2b9c2eb86c0a2d1466201dfe7ac6f5170c632452f3706de8cd"
+content-hash = "a0001ce9946effb8f919680819c369418bb5d72d280c9bb9693aec7aa3b6ef53"
diff --git a/pyproject.toml b/pyproject.toml
index 6c0faf3..9718ed1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "unibox"
-version = "0.4.11"
+version = "0.4.12"
 description = "Unibox provides unified interface for common file operations."
 authors = ["yada <trojblue@gmail.com>"]
 license = "MIT"
@@ -20,6 +20,7 @@ pyarrow = ">=10.0.1"
 boto3 = "^1.28.76"
 requests = "^2.31.0"
 orjson = "^3.9.10"
+humanfriendly = "^10.0"
 
 [tool.poetry.extras]
 full = ["ipython"]
diff --git a/unibox/__init__.py b/unibox/__init__.py
index 9850536..28676a1 100644
--- a/unibox/__init__.py
+++ b/unibox/__init__.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+
 from doctest import debug
 from pathlib import Path
 from typing import Union, List, Dict, Any
@@ -140,11 +141,12 @@ def peeks(data: Any, n=3, console_print=False) -> Dict[str, Any]:
     return peeker.peeks(data)
 
 
-def presigns(s3_uri: str, timeout: int = 86400) -> str:
+def presigns(s3_uri: str, expiration: Union[int, str] = "1d") -> str:
     """
     Generate a presigned URL from a given S3 URI.
     :param s3_uri: S3 URI (e.g., 's3://bucket-name/object-key')
-    :param timeout: Time in seconds for the presigned URL to remain valid (default: 1 day)
+        :param expiration: Time in seconds for the presigned URL to remain valid (default: 1 day).
+                        Accepts either an integer (seconds) or human-readable strings like "1d", "1mo", "1y".
     :return: Presigned URL as string. If error, returns None.
     """
-    return s3_client.generate_presigned_uri(s3_uri, timeout)
\ No newline at end of file
+    return s3_client.generate_presigned_uri(s3_uri, expiration=expiration)
\ No newline at end of file
diff --git a/unibox/utils/s3_client.py b/unibox/utils/s3_client.py
index d065ff9..641b6e7 100644
--- a/unibox/utils/s3_client.py
+++ b/unibox/utils/s3_client.py
@@ -8,6 +8,12 @@
 from tqdm.auto import tqdm
 import pandas as pd
 
+import logging
+import humanfriendly
+from botocore.exceptions import ClientError
+from typing import Union
+
+
 def parse_s3_url(url: str):
     parsed_url = urlparse(url)
     if parsed_url.scheme != "s3":
@@ -114,19 +120,32 @@ def traverse(self, s3_uri, include_extensions=None, exclude_extensions=None,
 
         return all_entries
 
-    def generate_presigned_uri(self, s3_uri: str, timeout: int = 86400) -> str:
+
+    def generate_presigned_uri(self, s3_uri: str, expiration: Union[int, str] = "1d") -> str:
         """
         Generate a presigned URL from a given S3 URI.
 
         :param s3_uri: S3 URI (e.g., 's3://bucket-name/object-key')
-        :param timeout: Time in seconds for the presigned URL to remain valid (default: 1 day)
+        :param expiration: Time in seconds for the presigned URL to remain valid (default: 1 day).
+                        Accepts either an integer (seconds) or human-readable strings like "1d", "1mo", "1y".
         :return: Presigned URL as string. If error, returns None.
         """
         bucket, key = parse_s3_url(s3_uri)
+
+        # Convert human-readable time to seconds if needed
+        if isinstance(expiration, str):
+            try:
+                expiration = int(humanfriendly.parse_timespan(expiration))
+            except Exception as e:
+                logging.error(f"Invalid time format: {expiration}. Error: {e}")
+                return None
+
         try:
-            response = self.s3.generate_presigned_url('get_object',
-                                                      Params={'Bucket': bucket, 'Key': key},
-                                                      ExpiresIn=timeout)
+            response = self.s3.generate_presigned_url(
+                'get_object',
+                Params={'Bucket': bucket, 'Key': key},
+                ExpiresIn=expiration
+            )
             return response
         except ClientError as e:
             logging.error(f"Failed to generate presigned URL for {s3_uri}: {e}")