What is CS Browser

S3 Browser has been renamed to CS Browser. CS Browser is the same desktop application developed by Netsdk Software FZE. The product name has changed, but the functionality, licensing, and support remain the same.

CS Browser is a powerful Windows client compatible with Amazon S3, Amazon S3 Glacier, and Amazon S3 compatible cloud storage services. CS Browser helps you work with buckets and files from a familiar Windows interface: upload and download data, manage permissions, organize objects, and handle routine storage tasks without switching to command-line tools!

Download CS Browser Freeware 13.3.5

For Windows 7 SP1/8.1/10/11 and Windows Server 2008 R2 SP1/2012/2016/2019/2022/2025

Powerful and easy to use, it will help you:

• Reliably Upload and Download your files to and from Amazon S3.
• Publish your Content using Amazon S3.
• Browse, Create, Delete Amazon S3 Buckets.
• Share your Buckets with other Amazon S3 users.
• Use Buckets shared by other Amazon S3 users.
• Set Access Control on Buckets and Files.
• Keep your Files backed up in encrypted form.
• Manage your Amazon CloudFront Distributions.
• And Many More!

Cutting edge features make it exceptional!

• Support for Multiple Amazon S3 Accounts and Amazon S3 compatible storage services
• Client Side Compression and Encryption (AES 256)
• Support for Data Integrity Checking to guarantee reliable file transfer.
• Convenient Folder Sync Tool - Upload Only New and Changed Files!
• Support for Amazon S3 Versioning and convenient versions manager.
• Full support for all Amazon S3 storage classes
• Full support for Standard Infrequent Access Storage Class
• Full support for OneZone-Infrequent Access Storage Class
• Processing very large amounts of files (millions) effectively!
• Support for AWS Identity and Access Management (IAM)
• Easy to use CloudFront Manager
• Support for very large files. Up to the 5 TB in size!
• Amazon S3 Server Side Encryption support.
• High-speed Multipart Uploads and Downloads with ability to Pause and Resume.
• Full support for Amazon S3 Transfer Acceleration
• An easy to use Bucket Sharing Wizard - share your Buckets with just two clicks!
• Convenient HTTP Headers Editor.
• Inclusion and Exclusion Filters
• Support for Bucket Lifecycle Rules
• Support for restore from Amazon S3 Glacier and Deep Archive storage classes.
• Support for bulk ACLs assignment (edit ACLs in batch mode).
• Default Http Headers to apply pre-defined HTTP Headers automaticaly!
• Advanced Web URLs Generator.
• Support for Static Website Hosting.
• Support for Amazon S3 Bucket Policies.
• Support for Cost Allocation Tagging and Cross-Origin Resource Sharing.
• Command Line Tools - Automate your Amazon S3 Tasks with ease!
• Bandwidth throttling and proxy support.
• Support for copy/move between amazon s3 accounts and buckets.
• Drag and Drop from Windows Explorer.
• Fast working multithreaded Http Engine.
• Support for Amazon S3 Bucket Logging (Server Access Logging).
• Support for Requester Pays Buckets.
• And tons of other cool features and tools!

23 May, 2026 - CS Browser Version 13.3.5 Released

• Added support for AWS European Sovereign Cloud
• Added Sync Exclusion Rules for the Folder Sync Tool
• Added new CLI commands - /file list-sync-jobs and /file run-sync-job
• Added option to keep Folder Sync Tool metadata cache file locally (UI and CLI)
• Improved Folder Sync Tool results: sorting, image preview, and quick actions
• Added support for AWS CLI SSO session profiles and AWS SSO token caching
• Improved Web URL Generator (TinyURL API and Signature V4 by default)
• Added advanced Copy menu for file names and paths
• Improved accounts import - append accounts and add drag-and-drop support
• Fixed various issues reported via Error Reports
• Various UI improvements and internal stability fixes

07 Apr, 2026 - CS Browser Version 13.2.5 Released

• Improved Folder Sync Tool analyze performance (parallel processing)
• Added option to disable metadata cache file in Folder Sync Tool (UI and CLI)
• Fixed an issue where SSO authentication could open two browser windows
• Fixed bookmark path opening when destination bucket is not current
• Fixed an issue with CSV export
• Various internal improvements and bug fixes

23 Dec, 2025 - CS Browser Version 13.1.1 Released

• New /file delete-versions command for the Command Line Interface
• High-DPI and dark theme improvements
• Account reordering support restored
• Fixed an issue with file versions preview
• Fixed host type not being saved in the Web URL Generator
• Fixed is-current account property handling when adding accounts from CLI
• Removed Owner.DisplayName support (Amazon S3 API change)
• Other internal stability fixes and improvements

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