# jj
> Fast and simple way to retrieve or update values from JSON documents

## Summary
Fast JSON value getter and setter with dot-notation paths

## Capabilities
- Get JSON values using dot-notation
- Set JSON values
- Delete JSON values
- Stream processing support

## When to Use
- You need quick JSON value access or modification
- You want a faster alternative to jq for simple operations

## When NOT to Use
- You need complex JSON transformations

## Related Tools
- [jq](/tools/jq) (complementary)
- [gron](/tools/gron) (complementary)
- [jsed](/tools/jsed) (complementary)

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Source: https://littlescripts.sh/tools/jj
