> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hotglue.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Target Parquet

> Learn how to convert Singer data to Parquet

Due to storage and efficiency drawbacks with Singer data, hotglue supports automatically converting the singer output of a standard tap into Parquet, which is more digestible for transformation scripts. See [intermediary formats](/key-concepts/jobs/intermediary-formats) for more information.

# target-parquet

target-parquet is a singer target which takes in singer data and outputs the data's corresponding parquet.

When developing locally with the SingerSDK, we recommend using target-parquet to easily inspect your data.

## Installation

To install target-parquet, first create a virtual environment. We recommend creating this environment globally, so that you can access it everywhere:

```bash theme={null}
python -m venv ~/env/target-parquet
```

Next, enter that virtual environment:

```bash theme={null}
source ~/env/target-parquet/bin/activate
```

Next, install target-parquet in your virtual environment:

```bash theme={null}
pip install git+https://github.com/hotgluexyz/target-parquet.git
```

## Usage

Suppose you have a file in your local directory called `data.singer` that you want to convert.

First enter your virtual environment:

```bash theme={null}
source ~/env/target-parquet/bin/activate
```

Then simply run:

```bash theme={null}
cat data.singer | target-parquet
```

If your singer data is malformed, you should see an error message explaining the issue.

If the Parquet conversion succeeds, you should see a Parquet file for each stream in your singer data.