- Release Notes
- Product Introduction
- Purchase Guide
- Getting Started
- Console Guide
- Console Overview
- Bucket Management
- Bucket Overview
- Creating Buckets
- Deleting Buckets
- Querying Buckets
- Empty Buckets
- Setting Access Permission
- Setting Bucket Encryption
- Setting Hotlink Protection
- Setting Origin-Pull
- Setting Cross-Origin Access
- Setting Versioning
- Setting up a Static Website
- Setting Lifecycle
- Setting Logging
- Accessing Bucket List Using Sub-Account
- Adding Bucket Policies
- Setting INTELLIGENT TIERING
- Enabling Inventory
- Domain Name Management
- Setting Bucket Tags
- Setting Cross-Bucket Replication
- Enabling Global Acceleration
- Object Management
- Uploading Objects
- Downloading Objects
- Copying Objects
- Viewing Object Information
- Searching for Objects
- Sorting and Filtering Objects
- Direct Upload Archiving
- Modifying Storage Class
- Deleting File Fragments
- Setting Object Access Permission
- Setting Object Encryption
- Custom Headers
- Deleting Objects
- Restoring an Archived Object
- Folder Management
- Data Extraction
- Setting Object Tags
- Batch Operation
- Monitoring Reports
- Data Processing
- Application Integration
- User Tools
- Best Practice
- Overview
- Access Control and Permission Management
- ACL Practices
- Cloud Access Management Practices
- Granting Sub-accounts Access to COS
- Cases of Permission Setting
- Working with COS API Access Policies
- Temporary Key Security Guide for Frontend Direct Upload to COS
- Generating and Using Temporary Keys
- Grant Sub-account Permissions to Pull Tag List
- Granting Sub-account Under One Root Account Permission to Manipulate Buckets Under Another Root Account
- Performance Optimization
- Data Migration
- Accessing COS Using the AWS S3 SDK
- Data Disaster Recovery and Backup
- Direct Data Upload
- Domain Name Management Practice
- Data Security
- Data Verification
- Big Data Practice
- Using COS in the Third-party Applications
- Introduction to COS Data Security Solution
- Developer Guide
- Creating Request
- Bucket
- Object
- Data Management
- Data Disaster Recovery
- Data Security
- Cloud Access Management (CAM)
- Batch Processing
- Monitoring and Alarms
- Global Acceleration
- Data Processing
- Troubleshooting
- API Documentation
- Introduction
- Common Request Headers
- Common Response Headers
- Error Codes
- Request Signature
- Operation List
- Service APIs
- Bucket APIs
- Basic Operations
- Access Control List (acl)
- Cross-Origin Resource Sharing (cors)
- Lifecycle
- Bucket policy(policy)
- Hotlink protection（referer)
- Tag (tagging)
- Static website(website)
- Intelligent Tiering
- Bucket inventory(inventory)
- Versioning
- Cross-Bucket Replication（replication）
- Log Management(logging)
- Global Acceleration (Accelerate)
- Bucket Encryption (encryption)
- Object APIs
- Batch Operation APIs
- Data Processing APIs
- SDK Documentation
- SDK Overview
- Android SDK
- Object Operations
- Uploading and Copying Objects
- Downloading Objects
- Listing Objects
- Deleting an Object
- Restoring an Archived Object
- Querying Object Metadata
- Generating a Pre-signed Link
- Configuring Preflight Requests for Cross-origin Access
- Moving an Object
- Server-Side Encryption
- Single-Connection Bandwidth Limit
- Extracting Object Content
- Getting Started
- Quick Experience
- Bucket Operations
- Remote Disaster Recovery
- Data Management
- Cloud Access Management
- Setting Custom Headers
- Setting Access Domain Names
- Image Processing
- Troubleshooting
- Object Operations
- C SDK
- C++ SDK
- .NET(C#) SDK
- Getting Started
- Bucket Operations
- Object Operations
- Uploading and Copying Objects
- Moving an Object
- Downloading Objects
- Listing Objects
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Generating Pre-Signed URLs
- Configuring Preflight Requests for Cross-Origin Access
- Server-Side Encryption
- Single-Connection Bandwidth Limit
- Extracting Object Content
- Cross-Region Disaster Recovery Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Setting Custom Headers
- Setting Access Endpoints
- Troubleshooting
- Go SDK
- iOS SDK
- Java SDK
- JavaScript SDK
- Node.js SDK
- PHP SDK
- Python SDK
- Mini Program SDK
- Error Codes
- FAQs
- Service Level Agreement
- Glossary
- Release Notes
- Product Introduction
- Purchase Guide
- Getting Started
- Console Guide
- Console Overview
- Bucket Management
- Bucket Overview
- Creating Buckets
- Deleting Buckets
- Querying Buckets
- Empty Buckets
- Setting Access Permission
- Setting Bucket Encryption
- Setting Hotlink Protection
- Setting Origin-Pull
- Setting Cross-Origin Access
- Setting Versioning
- Setting up a Static Website
- Setting Lifecycle
- Setting Logging
- Accessing Bucket List Using Sub-Account
- Adding Bucket Policies
- Setting INTELLIGENT TIERING
- Enabling Inventory
- Domain Name Management
- Setting Bucket Tags
- Setting Cross-Bucket Replication
- Enabling Global Acceleration
- Object Management
- Uploading Objects
- Downloading Objects
- Copying Objects
- Viewing Object Information
- Searching for Objects
- Sorting and Filtering Objects
- Direct Upload Archiving
- Modifying Storage Class
- Deleting File Fragments
- Setting Object Access Permission
- Setting Object Encryption
- Custom Headers
- Deleting Objects
- Restoring an Archived Object
- Folder Management
- Data Extraction
- Setting Object Tags
- Batch Operation
- Monitoring Reports
- Data Processing
- Application Integration
- User Tools
- Best Practice
- Overview
- Access Control and Permission Management
- ACL Practices
- Cloud Access Management Practices
- Granting Sub-accounts Access to COS
- Cases of Permission Setting
- Working with COS API Access Policies
- Temporary Key Security Guide for Frontend Direct Upload to COS
- Generating and Using Temporary Keys
- Grant Sub-account Permissions to Pull Tag List
- Granting Sub-account Under One Root Account Permission to Manipulate Buckets Under Another Root Account
- Performance Optimization
- Data Migration
- Accessing COS Using the AWS S3 SDK
- Data Disaster Recovery and Backup
- Direct Data Upload
- Domain Name Management Practice
- Data Security
- Data Verification
- Big Data Practice
- Using COS in the Third-party Applications
- Introduction to COS Data Security Solution
- Developer Guide
- Creating Request
- Bucket
- Object
- Data Management
- Data Disaster Recovery
- Data Security
- Cloud Access Management (CAM)
- Batch Processing
- Monitoring and Alarms
- Global Acceleration
- Data Processing
- Troubleshooting
- API Documentation
- Introduction
- Common Request Headers
- Common Response Headers
- Error Codes
- Request Signature
- Operation List
- Service APIs
- Bucket APIs
- Basic Operations
- Access Control List (acl)
- Cross-Origin Resource Sharing (cors)
- Lifecycle
- Bucket policy(policy)
- Hotlink protection（referer)
- Tag (tagging)
- Static website(website)
- Intelligent Tiering
- Bucket inventory(inventory)
- Versioning
- Cross-Bucket Replication（replication）
- Log Management(logging)
- Global Acceleration (Accelerate)
- Bucket Encryption (encryption)
- Object APIs
- Batch Operation APIs
- Data Processing APIs
- SDK Documentation
- SDK Overview
- Android SDK
- Object Operations
- Uploading and Copying Objects
- Downloading Objects
- Listing Objects
- Deleting an Object
- Restoring an Archived Object
- Querying Object Metadata
- Generating a Pre-signed Link
- Configuring Preflight Requests for Cross-origin Access
- Moving an Object
- Server-Side Encryption
- Single-Connection Bandwidth Limit
- Extracting Object Content
- Getting Started
- Quick Experience
- Bucket Operations
- Remote Disaster Recovery
- Data Management
- Cloud Access Management
- Setting Custom Headers
- Setting Access Domain Names
- Image Processing
- Troubleshooting
- Object Operations
- C SDK
- C++ SDK
- .NET(C#) SDK
- Getting Started
- Bucket Operations
- Object Operations
- Uploading and Copying Objects
- Moving an Object
- Downloading Objects
- Listing Objects
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Generating Pre-Signed URLs
- Configuring Preflight Requests for Cross-Origin Access
- Server-Side Encryption
- Single-Connection Bandwidth Limit
- Extracting Object Content
- Cross-Region Disaster Recovery Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Setting Custom Headers
- Setting Access Endpoints
- Troubleshooting
- Go SDK
- iOS SDK
- Java SDK
- JavaScript SDK
- Node.js SDK
- PHP SDK
- Python SDK
- Mini Program SDK
- Error Codes
- FAQs
- Service Level Agreement
- Glossary
COSBrowser is a visual interface tool launched by Tencent Cloud to make it easier and simpler for you to view, transfer, manage, and interact with COS resources. Currently, COSBrowser is available for desktop and mobile devices. For more information, see:
Download URL
| COSBrowser | OS | System Requirements | Download Address |
|---|---|---|---|
| Desktop Version | Windows | Windows 7 32/64-bit or above, Windows Server 2008 R2 64-bit or above | Windows |
| macOS | macOS 10.13 or above | macOS | |
| Linux | Includes a GUI that supports the AppImage format Note: To launch a client that runs CentOS, you need to run in the terminal. ./cosbrowser.AppImage --no-sandbox |
Linux | |
| Mobile Version | Android | Android 4.4 or above | Android |
| iOS | iOS 11 or above | iOS | |
| Web Edition | Web | Browsers such as Chrome, FireFox, Safari, and IE10+ | Web |
| Uploader Plugin | Web | Chrome browsers | Web Store/Offline Download |
COSBrowser for Desktop
COSBrowser for desktop 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. Please make sure that your proxy is set up properly or 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 for desktop has the following features:
| Feature | Description |
|---|---|
| Creating/Deleting a bucket | Creates or deletes a bucket |
| Viewing bucket details | Views the basic information of your bucket |
| Viewing statistics | Views the current storage capacity and number of objects in your bucket |
| Permission management | Modifies the permissions on your buckets and objects |
| Setting versioning | Enable/Suspends bucket versioning |
| Adding an access path | Adds an access path |
| Uploading a file/folder | Uploads files/folders to a bucket separately, in batches, or incrementally |
| Downloading a file/folder | Downloads files/folders to the local file system separately, in batches, or incrementally |
| Deleting a file/folder | Deletes files/folders from a bucket separately or in batches |
| Synchronizing files | Synchronizes local files to your bucket in real time |
| Copying and pasting files | Copies files/folders separately or in batches from one directory to another |
| Renaming files | Renames files in a bucket |
| Creating a folder | Creates a folder in a bucket |
| Viewing file details | Views the basic information of the files in a bucket |
| Generating a file link | Generates a file access link with a certain validity period by requesting a temporary signature |
| Previewing a file | Previews media files (images, video, and audio) in your bucket |
| Searching a file | Searches files in a bucket through prefix search |
| Searching buckets | Searches existing buckets |
| Viewing file versions/incomplete multipart uploads | |
| Setting up a proxy | Sets up a proxy to access COS |
| Setting the number of concurrent transfers | Sets the number of concurrent transfers for file upload or download |
| Setting the number of parts to be transferred | Sets the number of parts for multipart upload or download |
| Setting the number of retries upon transfer failure | Sets the number of retries upon upload or download failure |
| Setting upload check | Double-checks files uploaded to a bucket |
| Setting MD5 checksum calculation during upload | Calculates the MD5 checksums of files uploaded to a bucket and adds them to custom headers |
| Viewing a local log | Saves the record of operations on COSBrowser in the form of a local log |
COSBrowser Mobile Version
COSBrowser for mobile devices focuses on viewing and monitoring resources and COS data such as storage and traffic anytime, anywhere.
COSBrowser for mobile devices has the following features:
| Operation | Description |
|---|---|
| Login with WeChat | Logs in with WeChat |
| Data overview | Views recent data usage |
| File batch operations | Uploads, downloads, deletes, copies, or moves files in a bucket in batches |
| Sharing and uploading | Shares and uploads files from third-party apps to a bucket |
| Renaming files | Renames files in a bucket |
| Creating a folder | Creates a folder in a bucket |
| Viewing file details | Views the basic information of the files in a bucket |
| Previewing files | Previews media files (images, video, and audio) in a bucket |
| Generating a file link | Generates a file access link with a certain validity period by requesting a temporary signature |
| Searching files | Searches files in a bucket through prefix search |
| Searching buckets | Searches existing buckets |
| Viewing bucket details | Views the basic information and domain name of your bucket |
| Creating bucket | Creates new buckets |
| Adding an access path | Allows a sub-account that does not have permission to access the bucket list to enter bucket resource management by adding an access path |
| Viewing storage pack | Views the usage of your current resource pack |
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.
Yes
No
Was this page helpful?