Download Docker Images as tar.gz
Export a TAR online and compress it to tar.gz for USB or offline transfer.
Base URL
https://containerdl.com
Why tar.gz
Smaller transfers
Compress TAR files to reduce size on USB or slow links.
Docker compatible
Decompress and load with docker load or podman load.
No Docker required
Download from any OS without Docker Desktop.
How it works
-
Export a TAR from ContainerDL.
-
Compress the TAR to gzip.
-
Transfer the tar.gz file to the offline host.
Example
Export and compress to tar.gz
curlcurl -X POST https://containerdl.com/v1/exports \
-H "Content-Type: application/json" \
-H "Authorization: Bearer cdl_live_xxx" \
-d '{"image":"alpine:latest"}'
curl -L https://containerdl.com/v1/exports/{id}/download \
-H "Authorization: Bearer cdl_live_xxx" \
-o alpine.tar
gzip -9 alpine.tar- ContainerDL exports TAR files, not tar.gz directly.
- Private registry auth is supported only for GHCR and Docker Hub today.
Common use cases
- USB transfers to offline servers.
- Archiving images for audits.
- Reducing download size on slow links.
- Sharing images across teams.
FAQs
Do you export tar.gz directly?
No. ContainerDL exports TAR files. Compress them with gzip if needed.
Is this compatible with docker load?
Yes, after decompressing the tar.gz to TAR.
Do you store credentials?
No. Credentials are never stored or logged.