metadata-cleanerlisted
Install: claude install-skill kiwi2k00/_RemoveMetadata
# Metadata cleaner
Sạch removes hidden metadata — GPS coordinates, author names, camera model,
timestamps, editing software — from photos, video, audio and documents. It
edits the metadata bytes only: images and video are never re-encoded, and an
MP4 comes out exactly the same size it went in.
Everything runs locally. Nothing is uploaded anywhere.
## Finding the CLI
The tool is `bin/sach.mjs` in the Sạch repository and needs Node 20 or newer.
1. If `sach` is on the PATH (the package was installed or linked), use `sach`.
2. Otherwise use `node <path-to-repo>/bin/sach.mjs`.
3. If you cannot locate the repository, ask the user where it is. Do not
substitute a different tool and do not write your own — say what you need.
Every example below writes `sach`; substitute whichever form works.
## The required workflow
Follow all three steps, in order. Never skip step 2.
### Step 1 — Look, without changing anything
```bash
sach <file...> --dry-run --json
```
`--dry-run` writes nothing. Parse the JSON from stdout; it is an array with one
object per file.
### Step 2 — Report what you found, and wait
Tell the user what is in their files **before** cleaning anything. Order the
report by how much it exposes them:
1. **Location first.** Any entry with `"danger": true` is GPS or location data.
Say it plainly: these coordinates point at a real place, usually a home or
workplace. Quote the coordinates.
2. **Names second.** Author, creator, last-modified-by, camera owner.
3