- News and Announcements
- 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
- Setting 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 to COS ARCHIVE Storage
- Modifying Storage Class
- Deleting File Fragments
- Setting Object Access Permission
- Setting Object Encryption
- Custom Headers
- Deleting an Object
- Restoring Archived Objects
- Folder Management
- Data Extraction
- Setting Object Tags
- Exporting Object URLs
- Restoring a Historical Object Version
- Batch Operation
- Monitoring Reports
- Data Processing
- Application Integration
- User Tools
- Tool Overview
- Installation and Configuration of Environment
- COSBrowser
- COSCLI (Beta)
- COSCLI Overview
- Download and Installation Configuration
- Common Commands
- Generating and Modifying Configuration Files - config
- Creating Buckets - mb
- Deleting Buckets - rb
- Querying Bucket/Object List - ls
- Obtaining Statistics on Different Types of Objects - du
- Uploading/Downloading/Copying Objects - cp
- Syncing Upload/Download/Copy - sync
- Deleting Objects - rm
- Getting File Hash Value - hash
- Listing Incomplete Multipart Uploads - lsparts
- Clearing Incomplete Multipart Uploads - abort
- Retrieving Archived Files - restore
- Getting Pre-signed URL - signurl
- FAQs
- COSCMD
- COS Migration
- FTP Server
- COSFS
- Hadoop Tool
- COSDistCp
- Hadoop-cos-DistChecker
- HDFS TO COS
- Diagnostic Tool
- GooseFS
- Update History
- Getting Started
- Key Features
- Deployment Guide
- OPS Guide
- Data Security
- GooseFS on TKE Cloud Native Practices
- Getting Started
- Using GooseFS as Fluid Dataset Runtime
- Multi-Master Node Deployment
- Multiple-Master Affinity Scheduling
- Accelerating Data in COS
- Global Client Deployment
- Using Parameters for Encryption
- Manual Scaling
- Data Caching and Metadata Caching
- Data Affinity Scheduling
- Data Scheduling Based on Tolerations and Taints
- Data Preloading
- Deploying Multiple Datasets on the Same Cluster via Placement
- 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
- Using APIs to Zip Files
- Using APIs to Merge Files
- Developer Guide
- Creating Request
- Bucket
- Object
- Data Management
- Data Disaster Recovery
- Data Security
- Cloud Access Management (CAM)
- Batch Processing
- Global Acceleration
- Data Processing
- Metadata Acceleration
- Monitoring and Alarms
- 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)
- Custom Domain Name (Domain)
- Object APIs
- Batch Operation APIs
- Data Processing APIs
- Image Processing
- Basic Image Processing
- Scaling
- Cropping
- Rotation
- Converting Format
- Quality Change
- Gaussian Blurring
- Adjusting Brightness
- Adjusting Contrast
- Sharpening
- Grayscale Image
- Image Watermarking
- Text Watermarking
- Obtaining Basic Image Information
- Obtaining Image EXIF
- Obtaining Image’s Average Hue
- Removing Image Metadata
- Quick Thumbnail Template
- Limiting Output Image Size
- Pipeline Operators
- Image Advanced Compression
- Persistent Image Processing
- Image Compression
- Basic Image Processing
- Image Processing
- SDK Documentation
- SDK Overview
- Preparations
- Android SDK
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving 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
- Getting Started
- Quick Experience
- Bucket Operations
- Remote Disaster Recovery
- Data Management
- Cloud Access Management
- Data Verification
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Image Processing
- Troubleshooting
- Object Operations
- C SDK
- C++ SDK
- .NET(C#) SDK
- Getting Started
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Restoring Archived Objects
- Querying Object Metadata
- Getting Pre-Signed URLs
- Configuring Preflight Requests for Cross-Origin Access
- Server-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Backward Compatibility
- Go SDK
- iOS SDK
- Getting Started
- Quick Experience
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Listing Objects
- Copying and Moving an Object
- Extracting Object Content
- Checking Whether an Object Exists
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Server-Side Encryption
- Object Access URL
- Generating Pre-Signed URLs
- Configuring CORS Preflight Requests
- Cross-region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Setting Custom Headers
- Setting Access Endpoints
- Troubleshooting
- Java SDK
- Getting Started
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Querying Object Metadata
- Modifying Object Metadata
- Object Access URL
- Getting Pre-Signed URLs
- Restoring Archived Objects
- Server-Side Encryption
- Client-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Data Management
- Cross-Region Disaster Recovery
- Cloud Access Management
- Troubleshooting
- Image Processing
- Setting Access Endpoints
- JavaScript SDK
- Node.js SDK
- PHP SDK
- Python SDK
- Mini Program SDK
- Error Codes
- FAQs
- Service Agreement
- Glossary
- News and Announcements
- 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
- Setting 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 to COS ARCHIVE Storage
- Modifying Storage Class
- Deleting File Fragments
- Setting Object Access Permission
- Setting Object Encryption
- Custom Headers
- Deleting an Object
- Restoring Archived Objects
- Folder Management
- Data Extraction
- Setting Object Tags
- Exporting Object URLs
- Restoring a Historical Object Version
- Batch Operation
- Monitoring Reports
- Data Processing
- Application Integration
- User Tools
- Tool Overview
- Installation and Configuration of Environment
- COSBrowser
- COSCLI (Beta)
- COSCLI Overview
- Download and Installation Configuration
- Common Commands
- Generating and Modifying Configuration Files - config
- Creating Buckets - mb
- Deleting Buckets - rb
- Querying Bucket/Object List - ls
- Obtaining Statistics on Different Types of Objects - du
- Uploading/Downloading/Copying Objects - cp
- Syncing Upload/Download/Copy - sync
- Deleting Objects - rm
- Getting File Hash Value - hash
- Listing Incomplete Multipart Uploads - lsparts
- Clearing Incomplete Multipart Uploads - abort
- Retrieving Archived Files - restore
- Getting Pre-signed URL - signurl
- FAQs
- COSCMD
- COS Migration
- FTP Server
- COSFS
- Hadoop Tool
- COSDistCp
- Hadoop-cos-DistChecker
- HDFS TO COS
- Diagnostic Tool
- GooseFS
- Update History
- Getting Started
- Key Features
- Deployment Guide
- OPS Guide
- Data Security
- GooseFS on TKE Cloud Native Practices
- Getting Started
- Using GooseFS as Fluid Dataset Runtime
- Multi-Master Node Deployment
- Multiple-Master Affinity Scheduling
- Accelerating Data in COS
- Global Client Deployment
- Using Parameters for Encryption
- Manual Scaling
- Data Caching and Metadata Caching
- Data Affinity Scheduling
- Data Scheduling Based on Tolerations and Taints
- Data Preloading
- Deploying Multiple Datasets on the Same Cluster via Placement
- 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
- Using APIs to Zip Files
- Using APIs to Merge Files
- Developer Guide
- Creating Request
- Bucket
- Object
- Data Management
- Data Disaster Recovery
- Data Security
- Cloud Access Management (CAM)
- Batch Processing
- Global Acceleration
- Data Processing
- Metadata Acceleration
- Monitoring and Alarms
- 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)
- Custom Domain Name (Domain)
- Object APIs
- Batch Operation APIs
- Data Processing APIs
- Image Processing
- Basic Image Processing
- Scaling
- Cropping
- Rotation
- Converting Format
- Quality Change
- Gaussian Blurring
- Adjusting Brightness
- Adjusting Contrast
- Sharpening
- Grayscale Image
- Image Watermarking
- Text Watermarking
- Obtaining Basic Image Information
- Obtaining Image EXIF
- Obtaining Image’s Average Hue
- Removing Image Metadata
- Quick Thumbnail Template
- Limiting Output Image Size
- Pipeline Operators
- Image Advanced Compression
- Persistent Image Processing
- Image Compression
- Basic Image Processing
- Image Processing
- SDK Documentation
- SDK Overview
- Preparations
- Android SDK
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving 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
- Getting Started
- Quick Experience
- Bucket Operations
- Remote Disaster Recovery
- Data Management
- Cloud Access Management
- Data Verification
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Image Processing
- Troubleshooting
- Object Operations
- C SDK
- C++ SDK
- .NET(C#) SDK
- Getting Started
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Restoring Archived Objects
- Querying Object Metadata
- Getting Pre-Signed URLs
- Configuring Preflight Requests for Cross-Origin Access
- Server-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Backward Compatibility
- Go SDK
- iOS SDK
- Getting Started
- Quick Experience
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Listing Objects
- Copying and Moving an Object
- Extracting Object Content
- Checking Whether an Object Exists
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Server-Side Encryption
- Object Access URL
- Generating Pre-Signed URLs
- Configuring CORS Preflight Requests
- Cross-region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Setting Custom Headers
- Setting Access Endpoints
- Troubleshooting
- Java SDK
- Getting Started
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Querying Object Metadata
- Modifying Object Metadata
- Object Access URL
- Getting Pre-Signed URLs
- Restoring Archived Objects
- Server-Side Encryption
- Client-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Data Management
- Cross-Region Disaster Recovery
- Cloud Access Management
- Troubleshooting
- Image Processing
- Setting Access Endpoints
- JavaScript SDK
- Node.js SDK
- PHP SDK
- Python SDK
- Mini Program SDK
- Error Codes
- FAQs
- Service 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 ./cosbrowser.AppImage --no-sandbox in the terminal . |
Linux | |
| Mobile Version | Android | Android 4.4 or later | 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 |
| Sharing a file/folder | Shares a file/folder and sets a validity period for the sharing |
| Exporting file URLs | Exports file URLs in batches |
| 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 |
| Limiting single-thread speed | Limits the upload and download speeds for a single thread |
| Viewing a local log | 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, please see Mobile Version Features.
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.
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