| name | transform-remove-background-with-transloadit |
| description | One-off background removal (local image -> transparent PNG) using the official `@transloadit/node` CLI. Use a minimal `/image/bgremove` steps JSON and download the result to an explicit `.png` path via `-o`. |
Inputs
- Absolute path to a local input image
- Optional output path; default to an explicit sibling
.png
Prepare Instructions
Resolve credentials in this order:
- Shell environment variables
- The current working directory
.env only
~/.transloadit/credentials
If your .env lives in a parent directory, export the variables into the shell first.
Create steps.json in the current working directory.
Important:
- For the current CLI, the file passed to
--steps must be a flat object keyed by step name.
- Do not wrap the steps under a top-level
"steps" key.
{
":original": {
"robot": "/upload/handle"
},
"background_removed": {
"use": ":original",
"robot": "/image/bgremove",
"format": "png",
"result": true
}
}
Run (Local Input Image)
npx -y @transloadit/node assemblies create \
--steps ./steps.json \
-i ./input/source.jpg \
-o ./out/result.png
Replace ./input/source.jpg with your real input image path when needed.
After the command finishes, confirm the PNG exists at the expected output path.
Debug If It Fails
npx -y @transloadit/node assemblies get <assemblyIdOrUrl> -j
Notes:
- Keep
format: "png" so the downloaded output preserves transparency.
- Prefer
~/.transloadit/credentials as the default fallback when you want a reusable user-level setup.
- A current-directory
.env still takes precedence, so avoid it when deterministic account selection matters.
- If credentials only exist in a repo-root
.env, run the command from that directory or export the variables first.
- Prefer an explicit PNG filename like
./out/result.png. With the current CLI, using a directory output for a single result may preserve the input path instead of giving you a .png filename.
- Prefer a clear foreground subject photo; background removal quality depends on the source image.