> For the complete documentation index, see [llms.txt](https://p1ngul1n0.gitbook.io/blackbird/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://p1ngul1n0.gitbook.io/blackbird/basic-usage.md).

# Basic Usage

{% hint style="warning" %}
Blackbird can make mistakes. Consider checking the information.
{% endhint %}

### 👤 Username Reverse Search

```bash
python blackbird.py --username username1
```

```bash
python blackbird.py --username username1 username2 username3
```

```bash
python blackbird.py --username-file usernames.txt
```

### 📧 Email Reverse Search

```bash
python blackbird.py --email email1@email
```

```bash
python blackbird.py --email email1@email email2@email email3@email
```

```bash
python blackbird.py --email-file emails.txt
```

### 📁 Export

#### PDF

```bash
python blackbird.py --username p1ngul1n0 --pdf
```

<figure><img src="/files/oUnuuAGeFF91gtBIctsB" alt=""><figcaption></figcaption></figure>

#### CSV

```
python blackbird.py --username username1 --csv
```

#### JSON

```
python blackbird.py --username username1 --json
```

#### DUMP

Dump all found account HTTP responses.

```
python blackbird.py --username username1 --dump
```