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Glossary
DokumentasiCloud Object StorageUser Tools COSBrowser COSBrowser Overview

COSBrowser Overview

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Terakhir diperbarui: 2025-12-15 11:07:04
COSBrowser is a visualization interface tool provided by Tencent Cloud COS. You can use it to view, transfer, and manage COS resources easily. Currently, it is available for desktop and mobile clients as described below. If you need to migrate or batch upload data, you can use Migration Service Platform (MSP).
User Guide for Desktop Version
User Guide for Mobile Version

Download Address

COSBrowser
OS
System Requirements
Download Address
Desktop
Windows
Windows 7 32/64-bit or later, Windows Server 2008 R2 64-bit or later
Windows
macOS
macOS 10.13 or later
Linux
Includes a GUI that supports the AppImage format
Note: To launch a client that runs CentOS, you need to run ./cosbrowser.AppImage --no-sandbox in the terminal.
Linux
Mobile Version
Android
Android 4.4 or later
Android
iOS
iOS 11 or above
iOS
Web
Web
Browsers such as Chrome, Firefox, Safari, and Internet Explorer 10+
Web

COSBrowser Desktop Version

COSBrowser Desktop Version focuses on resource management and uploading and downloading data in batches.
Note:
COSBrowser Desktop Version uses the system-configured proxy to connect to the Internet. Make sure that your proxy is set up properly, or you can disable the proxy configuration if it fails to connect to the Internet.
For queries on Windows, go to Internet Options.
For queries on macOS, go to Network Preferences.
For queries on Linux, go to System Settings > Network > Network Proxy.
COSBrowser Desktop Version has the following features:
Feature
Description
Creates or deletes a bucket.
Views the basic information of your bucket.
Views the current storage capacity and number of objects in your bucket.
Modifies the permissions on your buckets and objects.
Enables/Suspends bucket versioning.
Adds an access path.
Uploads files/folders to a bucket separately, in batches, or incrementally.
Note:
1. Up to 100,000 files can be batch uploaded in one request.
2. Supports checkpoint restart (Android not supported).
3. To migrate or batch upload data, use Migration Service Platform (MSP).
Downloads files/folders to the local file system separately, in batches, or incrementally.
Note:
1. Up to 100,000 files can be batch uploaded in one request.
2. Supports checkpoint restart (Android not supported).
Deletes files/folders from a bucket separately or in batches.
Synchronizes local files to your bucket in real time.
Copies files/folders separately or in batches from one directory to another.
Renames files in a bucket.
Creates a folder in a bucket.
Views the basic information of the files in a bucket.
Generates a file access link with a certain validity period by requesting a temporary signature.
Shares a file/folder and sets a validity period for the sharing.
Exports file URLs in batches.
Previews media files (images, video, and audio) in your bucket.
Searches files in a bucket through prefix search.
Searches existing buckets.
Views multiple versions of a file in a versioning-enabled bucket.
Views the incomplete multipart uploads in your bucket.
Compares files in a local folder to those in a bucket.
Transcodes videos with the media processing feature enabled in a bucket.
Generates an authorization code for logging in to the COSBrowser client.
Scales, crops, or rotates an image, or adds text or image watermarks, and generates a URL of the output image.
Sets up a proxy to access COS.
Sets the number of concurrent transfers for file upload or download.
Sets the number of parts for multipart upload or download.
Sets the number of retries upon upload or download failure.
Limits the upload and download speeds for a single thread.
Double-checks files uploaded to a bucket.
Saves the record of operations on COSBrowser in the form of a local log.

COSBrowser Mobile Version

The COSBrowser mobile version is mainly used to monitor COS resources (such as storage usage and traffic) at any time you want. For more supported features, see basic features in User Guide for Mobile Version.

Changelog

Desktop Version changelog: changelog.
Mobile Version changelog: changelog_mobile.

Feedback and Suggestions

If you have any questions or suggestions during your use of COSBrowser, please feel free to give us your feedback:
Feedback on Desktop Version: issues.
Feedback on Mobile Version: issues_mobile.
Topik sebelumnya: HadoopTopik selanjutnya: User Guide for Desktop Version

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