s5cmd

A high performance command-line tool for AWS S3 and local file systems.

Runs as s5cmd|macOS, Linux, Windows|github.com

Command form

ai-draft · 3 tasks · 19 fields

Copy, sync and list S3 objects in parallel. Global options go before the subcommand; other subcommands (rm, mv, du, select) are left out.

Opens the form; the finished command lands at your prompt, unrun

Run in Otty

otty gui s5cmd

s5cmdExample values, fixed in this page — nothing here reaches a terminal

Global

AWS profile

string

Endpoint URL

url

Anonymous requests

--no-sign-request

Dry run

--dry-run

Worker pool size

integer

ParametersOnly these flags are editable in the form

AWS profile

string

--profile

Endpoint URL

For S3-compatible services.
url

--endpoint-url

Anonymous requests

boolean

--no-sign-request

Dry run

boolean

--dry-run

Worker pool size

integer

--numworkers

`s5cmd cp`

Copy objects

Copy between local paths and S3, with wildcard support.

Copy objectsExample values, fixed in this page — nothing here reaches a terminal

Basic

Source*

string

Destination*

string

Flatten directory structure

--flatten

Advanced

Include pattern

string

Exclude pattern

string

TasksEach one presets the form for one job

Copy

sourcedestinationflattenincludeexclude

ParametersOnly these flags are editable in the form

Source

string · positional 0

Destination

string · positional 1

Flatten directory structure

boolean

--flatten

Include pattern

string · repeatable

--include

Exclude pattern

string · repeatable

--exclude

Source region

string

--source-region

Destination region

string

--destination-region

`s5cmd sync`

Synchronize

One-way sync from source to destination.

SynchronizeExample values, fixed in this page — nothing here reaches a terminal

Basic

Source*

string

Destination*

string

Delete extra destination files

--delete

Advanced

Compare sizes only

--size-only

Include pattern

string

Exclude pattern

string

TasksEach one presets the form for one job

Sync

sourcedestinationdeletesize_onlyincludeexclude

ParametersOnly these flags are editable in the form

Source

string · positional 0

Destination

string · positional 1

Delete extra destination files

boolean

--delete

Compare sizes only

boolean

--size-only

Include pattern

string · repeatable

--include

Exclude pattern

string · repeatable

--exclude

`s5cmd ls`

List objects

List buckets or objects.

List objectsExample values, fixed in this page — nothing here reaches a terminal

Basic

S3 URL

string

TasksEach one presets the form for one job

List

target

ParametersOnly these flags are editable in the form

S3 URL

Empty lists all buckets.
string · positional 0

SourcesEvery flag above is checked against these

readme

s5cmd --profile my-work-profile ls s3://my-company-bucket/ s5cmd --no-sign-request ls s3://public-bucket/ s5cmd --endpoint-url <gcs-endpoint> sync 'download_folder/*' s3://gcs-bucket/path/ s5cmd --dry-run cp s3://bucket/pre/* s3://another-bucket/ s5cmd --numworkers 10 cp '/Users/foo/bar/*' s3://mybucket/foo/bar/

manual2026-10-27

github.com

readme

s5cmd cp 's3://bucket/logs/2020/03/*' . s5cmd cp --flatten 's3://bucket/logs/2020/03/*' logs/ s5cmd cp --include "*.log" --include "request*" 's3://bucket/logs/2020/*' . s5cmd cp --exclude "*.log" --exclude "*.txt" 's3://bucket/logs/2020/*' . --source-region or --destination-region flags of cp command.

manual2026-10-27

github.com

readme

s5cmd sync --include "*.log" --exclude "access_*" --include "*.txt" 's3://bucket/logs/*' . s5cmd sync --delete . s3://bucket/static/ With --size-only flag, it's possible to use the strategy that would only compare file sizes.

manual2026-10-27

github.com

readme

s5cmd ls s3://bucket/

manual2026-10-27

github.com

Before it fills your prompt, Otty checks the installed s5cmd against its version. A form that does not match your version is not offered.