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Jackie(Guokai) Han

Chrome Extension Developer & Publisher

Jackie(Guokai) Han's Chrome Extensions & Themes Portfolio

Browse the complete collection of Chrome extensions and themes developed by Jackie(Guokai) Han. Discover powerful tools, productivity enhancers, and beautiful themes that can transform your browsing experience. Each extension is carefully crafted to provide unique functionality and value to Chrome users.
Most Popular
Most Rating
Newest
Recently Updated List Grid
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    QR Code

    QR Code

    QR Code
    Description
    Generate and Scan QR Code.
    Generate and Scan QR Code.
    Users
    100K
    100,000
    10K
    Rating
    4.7
    4.7 out of 5 stars
    54
    54
    1
    Versions
    1
    1 version available for download
    Created
    3 March 2020
    March 3, 2020
    Updated
    25 August 2023
    August 25, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.3.0
    Version of the extension
    Extension
    165KiB
    Size of the extension
    productivity/tools
    View on Chrome Web Store
    View QR Code Chrome Extension on Chrome Web Store
    51
    This extension has been viewed 51 times
    0
    This extension has been downloaded 0 times
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    Vertical Tabs in Side Panel

    Vertical Tabs in Side Panel

    Vertical Tabs in Side Panel
    Description
    Display and manage tabs vertically in the browser sidebar.
    Display and manage tabs vertically in the browser sidebar.
    Users
    100K
    100,000
    10K
    Rating
    4.4
    4.4 out of 5 stars
    260
    260
    1
    Versions
    1
    1 version available for download
    Created
    9 June 2023
    June 9, 2023
    Updated
    14 November 2024
    November 14, 2024
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.7
    Version of the extension
    Extension
    39.08KiB
    Size of the extension
    make_chrome_yours/functionality
    View on Chrome Web Store
    View Vertical Tabs in Side Panel Chrome Extension on Chrome Web Store
    57
    This extension has been viewed 57 times
    0
    This extension has been downloaded 0 times
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    Tab Groups Extension

    Tab Groups Extension

    Tab Groups Extension
    Description
    Automatically group tabs, save tabs/groups, and provide shortcuts for tabs/groups.
    Automatically group tabs, save tabs/groups, and provide shortcuts for tabs/groups.
    Users
    100K
    100,000
    10K
    Rating
    4.5
    4.5 out of 5 stars
    380
    380
    1
    Versions
    1
    1 version available for download
    Created
    3 April 2021
    April 3, 2021
    Updated
    23 October 2023
    October 23, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.10
    Version of the extension
    Extension
    798KiB
    Size of the extension
    productivity/workflow
    View on Chrome Web Store
    View Tab Groups Extension Chrome Extension on Chrome Web Store
    70
    This extension has been viewed 70 times
    0
    This extension has been downloaded 0 times
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    Video Player for Local Files

    Video Player for Local Files

    Video Player for Local Files
    Description
    A web video player for local files.
    A web video player for local files.
    Users
    20K
    20,000
    Rating
    3.9
    3.9 out of 5 stars
    46
    46
    1
    Versions
    1
    1 version available for download
    Created
    18 July 2021
    July 18, 2021
    Updated
    25 August 2023
    August 25, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.0
    Version of the extension
    Extension
    29.54KiB
    Size of the extension
    lifestyle/entertainment
    View on Chrome Web Store
    View Video Player for Local Files Chrome Extension on Chrome Web Store
    46
    This extension has been viewed 46 times
    0
    This extension has been downloaded 0 times
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    Talking Clock

    Talking Clock

    Talking Clock
    Description
    Announce the time periodically, set custom recurring reminders and display time.
    Announce the time periodically, set custom recurring reminders and display time.
    Users
    10K
    10,000
    Rating
    4.4
    4.4 out of 5 stars
    106
    106
    1
    Versions
    1
    1 version available for download
    Created
    31 May 2020
    May 31, 2020
    Updated
    29 December 2022
    December 29, 2022
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.0
    Version of the extension
    Extension
    259KiB
    Size of the extension
    productivity/workflow
    View on Chrome Web Store
    View Talking Clock Chrome Extension on Chrome Web Store
    64
    This extension has been viewed 64 times
    0
    This extension has been downloaded 0 times
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    Clear Site Data

    Clear Site Data

    Clear Site Data
    Description
    Clear current or all site data (cache, storage, etc).
    Clear current or all site data (cache, storage, etc).
    Users
    10K
    10,000
    1K
    Rating
    4.5
    4.5 out of 5 stars
    48
    48
    1
    Versions
    1
    1 version available for download
    Created
    13 February 2020
    February 13, 2020
    Updated
    23 August 2022
    August 23, 2022
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    0.0.9
    Version of the extension
    Extension
    11.13KiB
    Size of the extension
    productivity/developer
    View on Chrome Web Store
    View Clear Site Data Chrome Extension on Chrome Web Store
    52
    This extension has been viewed 52 times
    0
    This extension has been downloaded 0 times
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    Extension for Bilibili Player

    Extension for Bilibili Player

    Extension for Bilibili Player
    Description
    Add useful keyboard shortcuts and default settings for bilibili player.
    Add useful keyboard shortcuts and default settings for bilibili player.
    Users
    10K
    10,000
    Rating
    4.6
    4.6 out of 5 stars
    151
    151
    1
    Versions
    5
    5 versions available for download
    Created
    2 April 2019
    April 2, 2019
    Updated
    21 October 2025
    October 21, 2025
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    3.0.2
    Version of the extension
    Extension
    90.07KiB
    Size of the extension
    lifestyle/entertainment
    View on Chrome Web Store
    View Extension for Bilibili Player Chrome Extension on Chrome Web Store
    50
    This extension has been viewed 50 times
    0
    This extension has been downloaded 0 times
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    Battery Status

    Battery Status

    Battery Status
    Description
    Display battery level, charging or discharging status.
    Display battery level, charging or discharging status.
    Users
    10K
    10,000
    2K
    Rating
    4.5
    4.5 out of 5 stars
    42
    42
    1
    Versions
    1
    1 version available for download
    Created
    5 February 2020
    February 5, 2020
    Updated
    27 February 2024
    February 27, 2024
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    3.0.1
    Version of the extension
    Extension
    146KiB
    Size of the extension
    productivity/tools
    View on Chrome Web Store
    View Battery Status Chrome Extension on Chrome Web Store
    58
    This extension has been viewed 58 times
    0
    This extension has been downloaded 0 times
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    Keep Computer Awake (for a While)

    Keep Computer Awake (for a While)

    Keep Computer Awake (for a While)
    Description
    Keep your computer running or screen on, and return to default state by a timer.
    Keep your computer running or screen on, and return to default state by a timer.
    Users
    9K
    9,000
    1K
    Rating
    4.5
    4.5 out of 5 stars
    11
    11
    1
    Versions
    1
    1 version available for download
    Created
    5 February 2020
    February 5, 2020
    Updated
    22 February 2023
    February 22, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.7
    Version of the extension
    Extension
    13.97KiB
    Size of the extension
    productivity/workflow
    View on Chrome Web Store
    View Keep Computer Awake (for a While) Chrome Extension on Chrome Web Store
    44
    This extension has been viewed 44 times
    0
    This extension has been downloaded 0 times
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    Control for Transmission

    Control for Transmission

    Control for Transmission
    Description
    A concise, lightweight and high-performance Transmission Manager and Web Extension.
    A concise, lightweight and high-performance Transmission Manager and Web Extension.
    Users
    4K
    4,000
    1K
    Rating
    4.4
    4.4 out of 5 stars
    24
    24
    1
    Versions
    4
    4 versions available for download
    Created
    14 December 2022
    December 14, 2022
    Updated
    31 October 2025
    October 31, 2025
    3
    Manifest version 3
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.6
    Version of the extension
    Extension
    90.61KiB
    Size of the extension
    productivity/workflow
    View on Chrome Web Store
    View Control for Transmission Chrome Extension on Chrome Web Store
    55
    This extension has been viewed 55 times
    0
    This extension has been downloaded 0 times
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    Re-newtab

    Re-newtab

    Re-newtab
    Description
    A redesigned, productive and pragmatic new tab alternative.
    A redesigned, productive and pragmatic new tab alternative.
    Users
    3K
    3,000
    1K
    Rating
    4.8
    4.8 out of 5 stars
    108
    108
    1
    Versions
    1
    1 version available for download
    Created
    12 April 2018
    April 12, 2018
    Updated
    6 May 2024
    May 6, 2024
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    8.0.2
    Version of the extension
    Extension
    1.43MiB
    Size of the extension
    make_chrome_yours/functionality
    View on Chrome Web Store
    View Re-newtab Chrome Extension on Chrome Web Store
    56
    This extension has been viewed 56 times
    0
    This extension has been downloaded 0 times
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    Finder Bookmarks

    Finder Bookmarks

    Finder Bookmarks
    Description
    A bookmarks manager like macOS Finder.
    A bookmarks manager like macOS Finder.
    Users
    2K
    2,000
    1K
    Rating
    4.4
    4.4 out of 5 stars
    41
    41
    1
    Versions
    1
    1 version available for download
    Created
    28 April 2018
    April 28, 2018
    Updated
    30 April 2024
    April 30, 2024
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.16
    Version of the extension
    Extension
    89.45KiB
    Size of the extension
    make_chrome_yours/functionality
    View on Chrome Web Store
    View Finder Bookmarks Chrome Extension on Chrome Web Store
    44
    This extension has been viewed 44 times
    0
    This extension has been downloaded 0 times
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    System Monitor for CPU / Memory

    System Monitor for CPU / Memory

    System Monitor for CPU / Memory
    Description
    A tool that display system CPU or Memory usage on the extension icon.
    A tool that display system CPU or Memory usage on the extension icon.
    Users
    2K
    2,000
    Rating
    4.6
    4.6 out of 5 stars
    14
    14
    1
    Versions
    1
    1 version available for download
    Created
    19 January 2020
    January 19, 2020
    Updated
    3 March 2024
    March 3, 2024
    3
    Manifest version 3
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    2.0.0
    Version of the extension
    Extension
    10.19KiB
    Size of the extension
    productivity/tools
    View on Chrome Web Store
    View System Monitor for CPU / Memory Chrome Extension on Chrome Web Store
    71
    This extension has been viewed 71 times
    0
    This extension has been downloaded 0 times
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    Simple History Manager

    Simple History Manager

    Simple History Manager
    Description
    A simple Chrome history manager.
    A simple Chrome history manager.
    Users
    2K
    2,000
    Rating
    4.2
    4.2 out of 5 stars
    16
    16
    1
    Versions
    1
    1 version available for download
    Created
    7 December 2018
    December 7, 2018
    Updated
    25 August 2023
    August 25, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.3.0
    Version of the extension
    Extension
    76.31KiB
    Size of the extension
    make_chrome_yours/functionality
    View on Chrome Web Store
    View Simple History Manager Chrome Extension on Chrome Web Store
    66
    This extension has been viewed 66 times
    0
    This extension has been downloaded 0 times
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    Blank New Tab

    Blank New Tab

    Blank New Tab
    Description
    A blank new tab page with support for light and dark themes, no JavaScript.
    A blank new tab page with support for light and dark themes, no JavaScript.
    Users
    1K
    1,000
    39
    Rating
    4.5
    4.5 out of 5 stars
    2
    2
    1
    Versions
    1
    1 version available for download
    Created
    22 August 2022
    August 22, 2022
    Updated
    24 August 2023
    August 24, 2023
    3
    Manifest version 3
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.0
    Version of the extension
    Extension
    11.18KiB
    Size of the extension
    make_chrome_yours/functionality
    View on Chrome Web Store
    View Blank New Tab Chrome Extension on Chrome Web Store
    52
    This extension has been viewed 52 times
    0
    This extension has been downloaded 0 times
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    Quick Look Inbox for Gmail

    Quick Look Inbox for Gmail

    Quick Look Inbox for Gmail
    Description
    Get notifications and quick look your new Gmail messages.
    Get notifications and quick look your new Gmail messages.
    Users
    1K
    1,000
    Rating
    4.6
    4.6 out of 5 stars
    8
    8
    1
    Versions
    1
    1 version available for download
    Created
    12 December 2020
    December 12, 2020
    Updated
    25 August 2023
    August 25, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    0.0.23
    Version of the extension
    Extension
    121KiB
    Size of the extension
    productivity/communication
    View on Chrome Web Store
    View Quick Look Inbox for Gmail Chrome Extension on Chrome Web Store
    56
    This extension has been viewed 56 times
    0
    This extension has been downloaded 0 times
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    Color Picker

    Color Picker

    Color Picker
    Description
    A color picker for Web pages
    A color picker for Web pages
    Users
    830
    830
    3
    Rating
    4.3
    4.3 out of 5 stars
    3
    3
    Versions
    1
    1 version available for download
    Created
    13 September 2022
    September 13, 2022
    Updated
    24 August 2023
    August 24, 2023
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.2
    Version of the extension
    Extension
    5.72KiB
    Size of the extension
    lifestyle/art
    View on Chrome Web Store
    View Color Picker Chrome Extension on Chrome Web Store
    55
    This extension has been viewed 55 times
    0
    This extension has been downloaded 0 times
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    MDN Search

    MDN Search

    MDN Search
    Description
    Use omnibox to search MDN Web Docs with autocomplete.
    Use omnibox to search MDN Web Docs with autocomplete.
    Users
    360
    360
    5
    Rating
    5.0
    5.0 out of 5 stars
    4
    4
    1
    Versions
    1
    1 version available for download
    Created
    24 May 2022
    May 24, 2022
    Updated
    9 July 2022
    July 9, 2022
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    0.0.1
    Version of the extension
    Extension
    15.12KiB
    Size of the extension
    productivity/developer
    View on Chrome Web Store
    View MDN Search Chrome Extension on Chrome Web Store
    6
    This extension has been viewed 6 times
    0
    This extension has been downloaded 0 times
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    Batch Rename Files

    Batch Rename Files

    Batch Rename Files
    Description
    Search and batch rename or delete local files.
    Search and batch rename or delete local files.
    Users
    217
    217
    2
    Rating
    5.0
    5.0 out of 5 stars
    1
    1
    Versions
    1
    1 version available for download
    Created
    11 February 2025
    February 11, 2025
    Updated
    11 February 2025
    February 11, 2025
    3
    Manifest version 3
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    1.0.0
    Version of the extension
    Extension
    69.46KiB
    Size of the extension
    productivity/tools
    View on Chrome Web Store
    View Batch Rename Files Chrome Extension on Chrome Web Store
    89
    This extension has been viewed 89 times
    0
    This extension has been downloaded 0 times
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    Outdated Doc Detector

    Outdated Doc Detector

    Outdated Doc Detector
    Description
    Help non-English developers to check whether the translation of the current page is behind the corresponding English version.
    Help non-English developers to check whether the translation of the current page is behind the corresponding English version.
    Users
    150
    150
    3
    Rating
    5.0
    5.0 out of 5 stars
    4
    4
    Versions
    1
    1 version available for download
    Created
    1 September 2017
    September 1, 2017
    Updated
    29 September 2024
    September 29, 2024
    3
    Manifest version 3
    Featured
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    2.0.0
    Version of the extension
    Extension
    187KiB
    Size of the extension
    productivity/developer
    View on Chrome Web Store
    View Outdated Doc Detector Chrome Extension on Chrome Web Store
    51
    This extension has been viewed 51 times
    0
    This extension has been downloaded 0 times
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    Permissions With Warnings

    Permissions With Warnings

    Permissions With Warnings
    Description
    A warning permissions checking tool for extension developers
    A warning permissions checking tool for extension developers
    Users
    64
    64
    3
    Rating
    4.7
    4.7 out of 5 stars
    3
    3
    Versions
    1
    1 version available for download
    Created
    26 August 2022
    August 26, 2022
    Updated
    26 August 2022
    August 26, 2022
    3
    Manifest version 3
    Jackie(Guokai) Han
    View author page of Jackie(Guokai) Han
    Website
    Visit website of guokai.dev
    0.0.1
    Version of the extension
    Extension
    7.87KiB
    Size of the extension
    productivity/developer
    View on Chrome Web Store
    View Permissions With Warnings Chrome Extension on Chrome Web Store
    41
    This extension has been viewed 41 times
    0
    This extension has been downloaded 0 times
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