decrypting…# Curl 🌀 #Tool #OTHER #TTGen Curl is a versatile command-line tool for transferring data with URLs. Whether you're downloading files, testing APIs, or troubleshooting network issues, this guide has you covered. 🎉 **LINK TO TOOL DOCUMENTATION[ HERE](https://www.kali.org/tools/curl/)** Curl (short for **Client URL**) is a command-line tool that supports various protocols like HTTP, HTTPS, FTP, and more. It allows you to send requests and receive responses directly from the command line. ---  --- ### Installing cURL #### 🟢 Linux (Debian/Ubuntu) ```sh sudo apt update && sudo apt install curl -y ``` #### 🏁 Windows (Winget) ```sh winget install -e --id curl.curl ``` --- ## 🧰 Common Commands ### 🔍 Basic Usage ```bash curl https://example.com ``` Fetch the contents of a URL. ### 📥 Download a File ```bash curl -O https://example.com/file.zip ``` Download a file and save it with its original name. ### 📂 Save File with Custom Name ```bash curl -o custom_name.zip https://example.com/file.zip ``` Save a file with a custom name. ### 🪪 Include Headers in Request ```bash curl -H "Authorization: Bearer YOUR_TOKEN" https://api.example.com/data ``` Send a GET request with headers. ### 📨 POST Data ```bash curl -X POST -d "key1=value1&key2=value2" https://api.example.com/submit ``` Send data in a POST request. ### 📊 Upload File ```bash curl -X POST -F "file=@/path/to/file" https://api.example.com/upload ``` Upload a file via POST request. ### 🕵️ Verbose Mode ```bash curl -v https://example.com ``` Enable verbose output for troubleshooting. ### 🌐 Follow Redirects ```bash curl -L https://example.com ``` Follow URL redirects automatically. ### 🔒 SSL Options ```bash curl --insecure https://example.com ``` Ignore SSL certificate warnings (use with caution!). ### 🕔 Set Timeout ```bash curl --max-time 10 https://example.com ``` Set a maximum time (in seconds) for the request. ### 🧵 Parallel Requests ```bash xargs -n 1 -P 4 curl -O < urls.txt ``` Download multiple URLs in parallel (requires `xargs`). ### 🍪 Use Cookies ```bash curl -b cookies.txt -c cookies.txt https://example.com ``` Send and save cookies to a file. ### Save Output to a File ```bash curl https://example.com -o output.html ``` ### Check Your Public IP ```bash curl https://ifconfig.me ``` ### Test Connection Speed ```bash curl -o /dev/null -s -w 'Time: %{time_total}\n' https://example.com ``` --- ## 📋 Handy Options | Option | Description | |--------------|-----------------------------------| | `-I` | Fetch headers only | | `-k` | Allow insecure SSL connections | | `-u` | Specify user credentials | | `-A` | Set a custom User-Agent string | | `-H` | Add custom header(s) | | `-X` | Specify HTTP method (e.g., POST) | | `-v` | Verbose mode | | `--data` | Send POST data | | `--limit-rate`| Limit download speed | ---