Speed Test
Measure download, upload, latency and jitter. This tool runs entirely in your browser: nothing you paste or upload leaves your device.
What Speed Test does
Speed Test sits in the Network section of Toolbox, alongside 6 related tools. It opens instantly at https://jsglobe.com/apps/speed-test/, keeps working offline once the page has loaded, and stores anything you save in this browser rather than on a server.
Also useful for: speed, test, bandwidth, download, upload, latency, ping, internet.
How it works
- Open the page and start using it. There is no account, no sign up and no paywall.
- Everything runs as JavaScript in your own browser, so your input never reaches a server.
- Settings and saved work live in this browser and can be cleared at any time.
- The whole site is open source at https://github.com/samalstudios/jsglobe.
Questions
- Is Speed Test free?
- Yes. Speed Test is free to use, with no account, no sign up and no usage limits.
- Does Speed Test upload my data?
- No. It runs entirely in your browser, so the text, files and images you give it never leave your device.
- Does Speed Test work offline?
- Yes. Once the page has loaded, the tool keeps working without a connection.
- Where can I find the source?
- Toolbox is open source at https://github.com/samalstudios/jsglobe.
Related tools
- Subnet Calculator - IPv4 CIDR ranges, masks and host counts
- IP Converter - IPv4 in decimal, hex, binary and octal
- MAC Address - Generate and reformat MAC addresses
- DNS Lookup - Dig style record lookups over DNS-over-HTTPS
- Domain Lookup - RDAP records for a domain, IP or network
- WebSocket Tester - Connect to a socket and watch the frames