# speedtest-cli > Command line interface for testing internet bandwidth using speedtest.net. > More information: . - Run a speed test: `speedtest-cli` - Run without performing download tests: `speedtest-cli --no-download` - Run a speed test and generate a shareable result picture: `speedtest-cli --share` - Print a list of all speedtest.net servers, sorted by distance, to file: `speedtest-cli --list > speedtest_servers.txt` - Run a speed test to the given speedtest.net server id: `speedtest-cli --server {{server_id}}` - Display results in CSV format, suppressing the progress information: `speedtest-cli --csv --csv-delimiter {{delimiter_char}}` - Display results in JSON format, suppressing the progress information: `speedtest-cli --json`