Command-line tool
jello
brew/jello
Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev
Filter JSON and JSON Lines data with Python syntax
At a glance
- Type
- Command-line tool
- Install on
- Windows, macOS, Linux
- Last checked
- 25 Oct 2026, 21:09 UTC
Install it
Windows
pipx install jello
macOS
brew install jello pipx install jello
Linux
pipx install jello
Pretty-print JSON or JSON-Lines data from `stdin` to `stdout`
cat file.json | jello
Output a schema of JSON or JSON Lines data from `stdin` to `stdout` (useful for grep)
cat file.json | jello -s
Output all elements from arrays (or all the values from objects) in JSON or JSON-Lines data from `stdin` to `stdout`
cat file.json | jello -l
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