tosutil is a command line tool for accessing and managing the Volcano Engine Object Storage (TOS), with which you can perform batch data processing between local and TOS to cope with common business scenarios such as uploading small and medium-sized data from the local to the server, downloading small and medium-sized data from the server, and integrating automated scripting tasks.
Publisher’s description
What is tosutil?
tosutil is a proprietary program for Windows from Beijing Volcano Engine Technology Co., Ltd..
Installation and requirements
Official installers exist for 64-bit as Portable. The main installer is 19.1 MB. It runs without installation (portable).
Pros / Cons
Pros
- Portable: runs without installation
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
In short: tosutil is a Windows tool for 64-bit PCs.
Is tosutil safe to download?
- The file is served by tos-tools.tos-cn-beijing.volces.com; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
A18ED5C10864FB049A2ACAF55DF8C49BB02B4C9919044D089ADC408B085540C9· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 4.1.7Latest | May 19, 2026 | 19.1 MB | 64-bit Portable |
Install from the command line
Silent install ›winget install --id ByteDance.tosutil -eProgram files (.exe): tosutil.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Beijing Volcano Engine Technology Co., Ltd.
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 4.1.7
- Released
- May 19, 2026
- Added to the catalogue
- May 19, 2026
- Versions listed
- 1
- Website
- volcengine.com
- winget ID
- ByteDance.tosutil
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is tosutil free?
tosutil is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is tosutil safe to download?
The download comes from tos-tools.tos-cn-beijing.volces.com; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install tosutil with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does tosutil run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use tosutil without administrator rights?
Yes, it is portable: unpack and run it.